WO2013185617A1 - 视频获取方法、设备及系统 - Google Patents

视频获取方法、设备及系统 Download PDF

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Publication number
WO2013185617A1
WO2013185617A1 PCT/CN2013/077183 CN2013077183W WO2013185617A1 WO 2013185617 A1 WO2013185617 A1 WO 2013185617A1 CN 2013077183 W CN2013077183 W CN 2013077183W WO 2013185617 A1 WO2013185617 A1 WO 2013185617A1
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WO
WIPO (PCT)
Prior art keywords
camera
information
resource point
camera resource
monitoring range
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/077183
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English (en)
French (fr)
Inventor
彭松
宋立岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CA2866957A priority Critical patent/CA2866957C/en
Priority to JP2015511927A priority patent/JP5956678B2/ja
Priority to EP13805059.6A priority patent/EP2811740A4/en
Priority to KR1020147027280A priority patent/KR101613112B1/ko
Publication of WO2013185617A1 publication Critical patent/WO2013185617A1/zh
Priority to US14/481,192 priority patent/US20140380163A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
    • G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/953—Querying, e.g. by the use of web search engines
    • G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04842—Selection of displayed objects or displayed text elements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19639—Details of the system layout
    • G08B13/19641—Multiple cameras having overlapping views on a single scene
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19639—Details of the system layout
    • G08B13/19645—Multiple cameras, each having view on one of a plurality of scenes, e.g. multiple cameras for multi-room surveillance or for tracking an object by view hand-over
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19678—User interface
    • G08B13/19682—Graphic User Interface [GUI] presenting system data to the user, e.g. information on a screen helping a user interacting with an alarm system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming

Definitions

  • the embodiments of the present invention relate to communication technologies, and in particular, to a video acquisition method, device, and system.
  • GIS Geographic Information System
  • GIS maps usually support adding camera resource points to the map, that is, adding icons to the location where the camera is actually installed. After some basic configuration, the icon can be associated with the live video to establish a quick link. Users can view live live video by clicking on the link.
  • the user wants to visually view the live video on the GIS map interface.
  • click the camera icon on the GIS map to display the live video in real time. If the user needs to view the video of a specific location, Need to adjust through the cloud mirror control button, the steps are numerous and the operation is complicated.
  • Embodiments of the present invention provide a video acquisition method, device, and system, which can quickly acquire real-time video that needs to be viewed, and simplify the operation process.
  • the embodiment of the invention provides a video acquisition method, including:
  • the visual interface comprises a geographic information system GIS map, wherein the GIS map displays a plurality of camera resource points and a monitoring range corresponding to each camera resource point;
  • Detecting a user click action acquiring a coordinate parameter of the user click action, and if the coordinate parameter is within a monitoring range, sending the coordinate parameter to the management server to obtain a real-time video of the coordinate position corresponding to the coordinate parameter .
  • the embodiment of the invention provides a video acquisition method, including:
  • the visual interface includes a geographic information system GIS map
  • the GIS map displays a plurality of camera resource points and a monitoring range corresponding to each camera resource point
  • the coordinate parameter corresponds to a real-time video of the location
  • An embodiment of the present invention provides a terminal device, including:
  • a visual interface unit configured to acquire a visual interface from the management server, where the visual interface includes a geographic information system GIS map, where the plurality of camera resource points and the monitoring range corresponding to each camera resource point are displayed on the GIS map ;
  • a processing unit configured to detect a user click action, obtain a coordinate parameter of the user click action, and if the coordinate parameter is within a monitoring range, send the coordinate parameter to the management server to obtain the coordinate parameter Real-time video of the corresponding location.
  • An embodiment of the present invention provides a management server, including:
  • a visual interface sending unit configured to send a visual interface to the terminal device, where the visual interface includes a geographic information system GIS map, where the plurality of camera resource points and each camera resource point corresponding to the monitoring are displayed on the GIS map Scope
  • the adjusting unit is configured to determine a camera resource point and an adjustment parameter to be adjusted according to the received coordinate parameter sent by the terminal device, and adjust the camera of the camera resource point to be adjusted according to the adjustment parameter, so as to adjust
  • the rear camera collects real-time video of the corresponding position of the coordinate parameter
  • a video sending unit configured to acquire the real-time video collected by the adjusted camera resource point, and send the real-time video to the terminal device.
  • the embodiment of the invention provides a video acquisition system, including:
  • the terminal device acquires a visual interface from the management server, the visual interface includes a geographic information system GIS map, and multiple cameras are displayed on the GIS map.
  • the monitoring point corresponding to the resource point and each camera resource point the terminal device detects the user click action, and obtains the coordinate parameter of the user click action, if the coordinate parameter Within a monitoring range, the coordinate parameters are sent to the management server to obtain a real-time video of the position corresponding to the coordinate parameters.
  • the user can view the real-time video of any position in the monitoring range, and the real-time video of the position can be quickly obtained by one click action, without further operation, which greatly simplifies. Operating procedures.
  • FIG. 1 is a flowchart of a video acquiring method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another video acquisition method according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of still another method for acquiring video according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of still another video acquisition method according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another terminal device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a management server according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of another management server according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a video acquiring method according to an embodiment of the present invention.
  • the video acquisition method provided in this embodiment may be specifically applied to a process for a user to view a real-time video at a certain location, and a processor and a display screen are provided for a personal computer, a notebook computer, a mobile phone, a tablet computer, and the like. device.
  • the video obtaining method provided in this embodiment specifically includes:
  • Step A10 Obtain a visual interface from the management server, where the visual interface includes a geographic information system a GIS map, wherein the GIS map displays a plurality of camera resource points and a monitoring range corresponding to each camera resource point;
  • Step A20 Detect a user click action, and obtain a coordinate parameter of the user click action. If the coordinate parameter is within a monitoring range, send the coordinate parameter to the management server to obtain a corresponding position of the coordinate parameter. Live video.
  • the user can establish a connection with the management server through the terminal device to obtain a corresponding service, and the terminal device can send a map acquisition request to the management server, and the management server sends a visual interface to the terminal device, and the terminal device can pass the display screen.
  • Display the visual interface includes a GIS map, and the GIS map displays a plurality of camera resource points and a monitoring range corresponding to each camera resource point.
  • the representation of the camera resource point on the GIS map can be an icon of a camera or other forms of identification.
  • the monitoring range corresponding to each camera resource point can be represented on the GIS map as a shaded area, or a colored area, which can be distinguished from other non-monitoring ranges.
  • the monitoring range is used to indicate the area that the camera resource point can monitor by the camera.
  • the camera is installed on the GIS map at the location of the camera resource point, and the management server can control the camera.
  • the user When the user needs to view the real-time video of a certain location, he can click on the location on the GIS map, and the user can click the action to complete the mouse.
  • the display screen of the terminal device is the touch screen, the touch action can also be implemented.
  • the terminal device detects a user click action, and obtains a coordinate parameter of the user click action, and the coordinate parameter is specifically a coordinate of the position on the GIS map.
  • the coordinate parameter can be a three-dimensional coordinate.
  • the coordinate parameter is sent to the management server, and the management server controls the camera of the camera resource point corresponding to the monitoring range, and adjusts the camera.
  • Location and parameters to achieve a real-time video collection of the location The management server sends the real-time video of the location to the terminal device, and the terminal device displays the real-time video to the user, and the terminal device can pop up a video display interface to display the real-time video.
  • the terminal device acquires a visual interface from the management server, where the visual interface includes a geographic information system GIS map, and the GIS map displays multiple camera resource points and corresponding monitoring of each camera resource point. Range, the terminal device detects the user click action, obtains the user Click the coordinate parameter of the action. If the coordinate parameter is within a monitoring range, send the coordinate parameter to the management server to obtain the real-time video of the position corresponding to the coordinate parameter. Through the display of the monitoring range corresponding to each camera resource point, the user can view the real-time video of any position in the monitoring range, and the real-time video of the position can be quickly obtained by one click action, without further operation, which greatly simplifies. Operating procedures.
  • step A20 after the coordinate parameter is sent to the management server, before acquiring the real-time video of the coordinate parameter corresponding position, the method may further include the following steps: receiving the sending by the management server List of camera resource points;
  • the surveillance range of multiple cameras may overlap.
  • the coordinate parameter of the click action of the user corresponds to the overlapping range, the coordinate parameter falls within the monitoring range of the plurality of camera resource points, and the management server forms a list of the camera resource points and sends the list to the terminal device for the user to Camera resource points are selected.
  • the camera resource point list may specifically include information such as a camera resource point name, device information of the camera, and a linear distance between the camera and the viewed position for reference by the user.
  • the user can select one or more camera resource points in the camera resource point list, and the terminal device sends the identification information of the camera resource point selected by the user to the management server, and the management server adjusts the camera of the camera resource point selected by the user.
  • FIG. 2 is a flowchart of another video acquisition method according to an embodiment of the present invention.
  • the video acquisition method provided in this embodiment may be specifically applied to a process for a user to view a real-time video at a certain location, which may be implemented in conjunction with the embodiment shown in FIG.
  • the video acquisition method provided in this embodiment may be performed by a management server, which may specifically be various computer devices having a processor.
  • Step B10 Send a visual interface to the terminal device, where the visual interface includes a geographic information system
  • the GIS map displays a plurality of camera resource points and a monitoring range corresponding to each camera resource point;
  • Step B20 Determine a camera resource point and an adjustment parameter to be adjusted according to the received coordinate parameter sent by the terminal device, and adjust the camera of the camera resource point to be adjusted according to the adjustment parameter, so that the adjusted The camera collects a real-time video corresponding to the position of the coordinate parameter;
  • Step B30 Acquire real-time video collected by the adjusted camera resource point, and send the real-time video to the terminal device.
  • the management server may send a visual interface to the terminal device according to the map acquisition request of the terminal device.
  • the visual interface includes a GIS map, and the GIS map displays a plurality of camera resource points and a monitoring range corresponding to each camera resource point.
  • the camera resource point and its monitoring range can be preset.
  • Each camera resource point corresponds to a live camera.
  • the position of the camera resource point in the GIS map is the actual position of the camera.
  • the monitoring range of the camera can be determined according to the installation information of the camera and the device information of the camera, and the camera resource point and its monitoring range are identified from the GIS map.
  • the terminal device detects the user click action, and obtains the coordinate parameter of the user click action. If the coordinate parameter is within a monitoring range, the user needs to view.
  • the real-time video of the location sends the coordinate parameter to the management server.
  • the management server determines the monitoring range and the camera resource point corresponding to the monitoring range according to the coordinate parameter, and the camera resource point is the camera resource point to be adjusted. Knowing the information of the camera resource point to be adjusted, and then calculating the adjustment parameter according to the coordinate information of the position to be viewed, the management server controls the camera of the camera resource point to be adjusted according to the adjustment parameter, so that the camera is ⁇ A live video of the location you want to view.
  • the management server acquires the real-time video collected by the camera and sends the video to the terminal device.
  • a forwarding server can also be set. After the management server adjusts the camera, the information of the adjusted camera and the information of the terminal device can be sent to the forwarding server.
  • the information of the camera is, for example, information such as the camera number, IP address, and channel number
  • the information of the terminal device is, for example, For the IP address of the terminal device, the forwarding server establishes a connection with the camera and the terminal device, and forwards the real-time video to the terminal device.
  • the management server sends a visual interface to the terminal device, where the visual interface includes a geographic information system GIS map, and the GIS map displays multiple camera resource points and corresponding monitoring of each camera resource point.
  • the management server determines the camera resource point and the adjustment parameter to be adjusted according to the coordinate parameter sent by the received terminal device, and adjusts the camera of the camera resource point to be adjusted according to the adjustment parameter, so that the adjusted camera coordinates coordinate parameter is matched.
  • Real-time video of the location get the real-time video collected by the adjusted camera resource points, and send the real-time video To the terminal device.
  • the user can view the real-time video of any position in the monitoring range, and the real-time video of the position can be quickly obtained by one click action, without further operation, which greatly simplifies. Operating procedures.
  • FIG. 3 is a flowchart of still another method for acquiring video according to an embodiment of the present invention.
  • the monitoring range corresponding to each camera resource point displayed on the GIS map may be preset.
  • step B10 before the visual interface is sent to the terminal device, The method includes the following steps: Step B40: Obtain initial GIS map information from a GIS server;
  • Step B50 Determine, according to the obtained device information, installation information, and the initial GIS map information of each camera resource point, a monitoring range corresponding to each of the camera resource points, and generate the visual interface.
  • the GIS server can provide a GIS map service, and the management server can obtain initial GIS map information from the GIS server, and the initial GIS map information is an initial GIS map.
  • the device information and installation information of each camera resource point can be specifically input by an administrator or from an IoT information server that manages these cameras.
  • the camera resource point corresponds to a live camera.
  • the device information may include information such as the type of the camera, the monitoring angle, and the zoom factor.
  • the installation information may include the installation location of the camera and the surrounding environment information. According to the installation information of the camera, a camera resource point corresponding to the camera is set on the GIS map by an icon or other identification form. According to the installation information and device information of the camera, the range area that the camera can monitor can be determined, and the monitoring range is identified on the GIS map.
  • step B50 determining, according to the acquired device information, installation information, and the initial GIS map information of each camera resource point, a monitoring range corresponding to each of the camera resource points, specifically Can include:
  • the camera that identifies the camera resource point is a ball machine according to the device information, determining a monitoring angle of the ball machine, and determining a position of the ball machine according to the installation information
  • Coordinate information determining a monitoring range of the dome camera according to the monitoring angle of the dome camera, position coordinate information, and the initial GIS map information
  • the camera identifying the camera resource point is a gun according to the device information, And determining, according to the installation information, location coordinate information and an installation angle of the gun, and determining a monitoring range of the gun according to position coordinate information, an installation angle, and the initial GIS map information of the gun.
  • the determining of the monitoring range of each camera resource point may be implemented by: identifying the type of the camera of the camera resource point according to the device information, and if the camera is a ball machine, determining the monitoring of the ball machine Angle, the monitoring angle of the dome camera may be 360 degrees or less than 360 degrees.
  • the position coordinate information of the dome camera can be determined, and the monitoring range of the dome camera is determined according to the monitoring angle of the dome camera, the position coordinate information and the initial GIS map information.
  • the coordinates of any point on the GIS map are (Xn, Yn, ⁇ ), and the coordinates of the installation position of the ball machine are (xl, yl, zl+h), where Zl is the sea level height corresponding to the installation position, h is the installation height.
  • the monitoring range of the dome can be determined by the following formula: ( Xn-xl ) 2 + ( Yn-yl ) 2 ⁇ L 2 , JLZn ⁇ zl+h;
  • the range formed by (Xn, Yn, Zn) in accordance with this formula is the monitoring range of the dome. If the monitoring angle of the dome camera is less than 360 degrees, assuming A, according to the installation information of the dome camera, the angle between the boundary of the monitoring angle of the dome camera and the positive direction of the GIS map can be determined, and the positive direction of the GIS map is specifically east. For example, if the angle between the left boundary of the monitoring angle and the positive direction of the GIS is B (0-360 degrees), the angle between the right boundary and the positive direction of the GIS is B-A. If B-A is negative, then B-A+360 is taken.
  • the scope of monitoring of the dome can be determined by the following formula:
  • L is the horizontal coverage radius of the dome machine calculated according to the focal length of the dome machine;
  • B-A When B-A>0, B-A ⁇ arctan ( Yn-yl ) / ( Xn-xl ) ⁇ B;
  • the range that can be monitored is relatively fixed.
  • the range of possible monitoring of the gun can be determined based on the position coordinate information of the gun and the installation angle.
  • the determining the monitoring range of the dome camera according to the monitoring angle of the dome camera, the position coordinate information, and the initial GIS map information may specifically include:
  • the obstruction may specifically be a prominent building, facility, etc., if there is an obstruction in the range monitored by the dome camera, in the above embodiment, the determined dome camera
  • the scope of monitoring is the theoretical monitoring range, and the theoretical monitoring range is corrected.
  • (Xn, Yn, ⁇ ) is the coordinates of any point within the theoretical monitoring range
  • the coordinates of the installation position of the ball machine are (xl, yl, zl+h), where ⁇ 1 is the sea level height corresponding to the installation position.
  • h is the installation height.
  • the height hi is the ball machine observation point (Xn, Yn, Zn)
  • the determining the monitoring range of the locomotive according to the location coordinate information of the locomotive and the initial GIS map information may specifically include: Determining, according to the position coordinate information of the gun machine, a theoretical monitoring range of the gun machine, determining, according to the initial GIS map information, whether there is an obstruction in the theoretical monitoring range of the gun machine, and if present, according to the obstructing object The position information corrects the theoretical monitoring range of the gun to generate a monitoring range of the gun.
  • the method for judging the presence of the obstruction in the monitoring range of the gun machine can be similar to the judging method of the ball machine, and will not be described herein.
  • the surveillance range of the camera may be affected by the four-week wall, and the monitoring range can be set according to the spatial structure of the building.
  • FIG. 4 is a flowchart of still another method for acquiring a video according to an embodiment of the present invention.
  • the camera resource point and the adjustment parameter to be adjusted are determined according to the received coordinate parameter sent by the terminal device, and the to-be-adjusted is adjusted according to the adjustment parameter.
  • the camera of the camera resource point is adjusted, and specifically includes:
  • Step B201 Determine, according to the received coordinate parameter sent by the terminal device, a monitoring range corresponding to the coordinate parameter and a camera resource point corresponding to the monitoring range, and if the monitoring range has only one, the monitoring range is Corresponding camera resource points are used as the camera resource points to be adjusted. If the number of the monitoring ranges is at least two, a camera resource point list is formed and sent to the terminal device, and the identifier sent by the terminal device is received. Information, the camera resource point corresponding to the identifier information is used as the camera resource point to be adjusted;
  • the management server determines the monitoring range in which the coordinate parameters are located, and the camera resource points corresponding to the monitoring range. If there is only one monitoring range of the coordinate parameter, the camera resource point corresponding to the monitoring range is the camera resource point to be adjusted. If the monitoring range of the coordinate parameter is at least two, the camera resource points corresponding to the at least two monitoring ranges form a camera resource point list, and are sent to the device terminal for the user to select. The identification information sent by the terminal device is used to indicate the camera resource point selected by the user.
  • Step B202 Obtain device information and installation information of the camera resource point to be adjusted, and if the camera of the camera resource point to be adjusted is identified as a ball machine according to the device information of the adjusted camera resource point,
  • the device information, the installation information, and the coordinate parameter of the camera resource point to be adjusted generate a horizontal rotation angle, a vertical rotation angle, and a zoom factor, and the horizontal rotation angle, the vertical rotation angle, and the zoom multiple are used as the adjustment parameter.
  • the observation angle of the dome camera can be adjusted, and the dome camera can be expanded and contracted.
  • the coordinates of the installation position of the dome camera are (xl, yl, zl+h), and the coordinate parameters are (x2, y2, z2).
  • the current horizontal observation angle of the dome is ⁇ , and the vertical observation angle is b.
  • the horizontal rotation angle ⁇ - ⁇ can be generated according to the following formula:
  • the vertical rotation angle b-a can be generated according to the following formula
  • a arctan(zl + h-z2)/ ](x ⁇ -x2) 2 +(y ⁇ - y2) 2 ;
  • the zoom factor n can be generated according to the following formula:
  • n m ⁇ (x ⁇ -x2 ⁇ + (y ⁇ - y2) 2 +(z ⁇ + h- z2) 2 / L
  • n is the maximum multiple of the ball machine. If the calculation result of n is not an integer, the nearest whole value is taken. If n>m, m is taken.
  • the camera of the camera resource point to be adjusted is a gun machine, if the gun machine is uncontrollable, it is not necessary to adjust the gun machine, and directly obtain the real-time video collected by the gun machine.
  • the influence of the occlusion on the monitoring range of the camera can be determined in advance.
  • the user wants to view the real-time video of a certain location, according to the coordinate parameter corresponding to the user's click action, It is judged in real time whether there is an obstruction between the camera and the position, and is presented to the user.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
  • the terminal device 81 provided in this embodiment may implement various steps of the video acquiring method applied to the terminal device 81 according to any embodiment of the present invention, and details are not described herein again.
  • the terminal device 81 provided in this embodiment includes a visual interface unit 11 and a processing unit 12, and the visual interface unit 11 is configured to acquire a visual interface from the management server 82, where the visual interface includes a geographic information system GIS map.
  • the GIS map displays multiple camera resource points and a monitoring range corresponding to each camera resource point.
  • the processing unit 12 is configured to detect a user click action, and obtain a coordinate parameter of the user click action. If the coordinate parameter is within a monitoring range, send the coordinate parameter to the management server 82 to obtain the coordinate.
  • the visual interface unit 11 acquires a visual interface from the management server 82, the visual interface includes a geographic information system GIS map, and a plurality of camera resource points and each camera resource are displayed on the GIS map.
  • the processing unit 12 detects the user click action and obtains the coordinate parameter of the user click action. If the coordinate parameter is within a monitoring range, the coordinate parameter is sent to the management server 82 to obtain a real-time video of the coordinate position corresponding to the coordinate parameter. .
  • the user can view the real-time video of any position in the monitoring range, and the real-time video of the position can be quickly obtained by one click action, without further operation, which greatly simplifies. Operating procedures.
  • FIG. 6 is a schematic structural diagram of another terminal device according to an embodiment of the present invention.
  • the terminal device 81 may further include a list receiving unit 13 and a selecting unit 14.
  • the list receiving unit 13 is configured to receive a list of camera resource points transmitted by the management server 82.
  • the selecting unit 14 is configured to select at least one camera resource point from the camera resource point list according to the received selection information, and send the identification information of the selected camera resource point to the management server 82.
  • the user can select according to the information of the camera resource points in the camera resource point list to obtain a better real-time video.
  • FIG. 7 is a schematic structural diagram of a management server according to an embodiment of the present invention.
  • the management server 82 provided in this embodiment may implement various steps of the video acquisition method applied to the management server 82 provided by any embodiment of the present invention, and details are not described herein again.
  • the management server 82 provided in this embodiment specifically includes a visual interface sending unit 21, an adjusting unit 22, and a video transmitting unit 23.
  • the visual interface sending unit 21 is configured to send a visual interface to the terminal device 81, where the visual interface includes a geographic information system.
  • the GIS map displays a plurality of camera resource points and a monitoring range corresponding to each camera resource point.
  • the adjusting unit 22 is configured to determine a camera resource point and an adjustment parameter to be adjusted according to the received coordinate parameter sent by the terminal device 81, and adjust the camera of the camera resource point to be adjusted according to the adjustment parameter, so that The adjusted camera collects real-time video of the position corresponding to the coordinate parameter.
  • the video sending unit 23 is configured to acquire the real-time video collected by the adjusted camera resource point, and send the real-time video to the terminal device 81.
  • the visual interface sending unit 21 sends a visual interface to the terminal device 81, where the visual interface includes a geographic information system GIS map, and a plurality of camera resource points and each camera are displayed on the GIS map.
  • the monitoring range corresponding to the resource point the adjusting unit 22 determines the camera resource point and the adjustment parameter to be adjusted according to the received coordinate parameter sent by the terminal device 81, and adjusts the camera of the camera resource point to be adjusted according to the adjustment parameter, so as to adjust
  • the camera captures the real-time video corresponding to the coordinate parameter
  • the video sending unit 23 acquires the real-time video collected by the adjusted camera resource point, and transmits the real-time video to the terminal device 81.
  • the user can view the real-time video of any position in the monitoring range, and the real-time video of the position can be quickly obtained by one click action, without further operation, which greatly simplifies. Operating procedures.
  • FIG. 8 is a schematic structural diagram of another management server according to an embodiment of the present invention.
  • the management server 82 may further include a map information acquiring unit 24 and a visual interface generating unit 25.
  • the map information acquisition unit 24 is for acquiring initial GIS map information from the GIS server 83.
  • the visual interface generating unit 25 is configured to determine, according to the acquired device information, installation information, and the initial GIS map information of each camera resource point, a monitoring range corresponding to each of the camera resource points, and generate the Visual interface.
  • the visual information including the GIS map displaying the camera resource point and its monitoring range may be generated in advance by the map information acquiring unit 24 and the visual interface generating unit 25, and may also be visualized according to the added information of the new camera.
  • the display of the interface is updated.
  • the visual interface generating unit 25 is further configured to determine, for each camera resource point, if the camera that identifies the camera resource point is a ball machine according to the device information, determine the ball. a monitoring angle of the machine, determining position coordinate information of the ball machine according to the installation information, determining a monitoring range of the ball machine according to the monitoring angle of the ball machine, position coordinate information, and the initial GIS map information;
  • the installation information determines the position coordinate information and the installation angle of the gun, and determines the monitoring range of the gun according to the position coordinate information of the gun, the installation angle, and the initial GIS map information.
  • the visual interface generating unit 25 is further configured to determine a theoretical monitoring range of the ball machine according to the monitoring angle and position coordinate information of the ball machine, and determine the ball according to the initial GIS map information. Whether there is an obstruction in the theoretical monitoring range of the machine, if present, correcting the theoretical monitoring range of the dome machine according to the position information of the obstructing object to generate a monitoring range of the dome machine; or, according to the gun
  • the position coordinate information of the machine determines the theoretical monitoring range of the gun, and determines whether there is an obstruction in the theoretical monitoring range of the gun according to the initial GIS map information, and if present, according to the position information of the obstruction
  • the theoretical monitoring range of the gun is corrected to generate a monitoring range of the gun.
  • the adjustment unit 22 may include a camera determination subunit 31 and an adjustment subunit 32.
  • the camera determining sub-unit 31 is configured to determine, according to the received coordinate parameter sent by the terminal device 81, a monitoring range corresponding to the coordinate parameter and a camera resource point corresponding to the monitoring range, if the monitoring range has only one, The camera resource point corresponding to the monitoring range is used as the camera resource point to be adjusted. If the number of the monitoring ranges is at least two, a camera resource point list is formed and sent to the terminal device 81, and the receiving station The identifier information sent by the terminal device 81 is used as the camera resource point to be adjusted.
  • the adjustment subunit 32 is configured to acquire the device information and the installation information of the camera resource point to be adjusted, and if the camera of the camera resource point to be adjusted is identified as the dome camera according to the device information of the adjusted camera resource point, And generating, according to the device information, the installation information, and the coordinate parameter of the camera resource point to be adjusted, a horizontal rotation angle, a vertical rotation angle, and a zoom magnification, and the horizontal rotation angle, the vertical rotation angle, and the zoom multiple are used as the In the adjustment parameter, the camera that controls the camera resource point to be adjusted is horizontally rotated according to the horizontal rotation angle, vertically rotated according to the vertical rotation angle, and stretched and zoomed according to the zoom magnification.
  • the embodiment of the present invention provides a video acquisition system, which includes the terminal device provided by any embodiment of the present invention, and a management server provided by any embodiment of the present invention.
  • the video acquisition system provided in this embodiment can be applied to a security monitoring system.
  • a camera is installed on the site that needs to be monitored, and the management server can obtain initial GIS map information from the GIS server, and according to the device information and installation of the camera. Information, display camera resource points and their monitoring range on the GIS map.
  • the user can interact with the management server through the terminal device.
  • the management server provides a visual interface for the terminal device, and the visual interface includes a GIS map displaying the camera resource points and their monitoring ranges.
  • Camera resource points can be represented by camera icons, and the monitoring range can be represented by shaded areas. The user can see the camera icon displayed on the GIS map and the monitoring range that the camera can cover through the terminal device.
  • the user wants to view the live video of a certain location, directly click on any point in the camera monitoring range on the GIS map.
  • the real-time video of the camera will pop up.
  • the dome camera will rotate to the position that the user wants to observe under the control of the management system, and perform appropriate zooming and zooming to obtain clear real-time video.
  • a security server can also be set up in the security monitoring system to store real-time video collected by each camera.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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Abstract

本发明实施例提供一种视频获取方法、设备及系统，该视频获取方法包括：从管理服务器获取一可视界面，该可视界面包括地理信息系统GIS地图，GIS 地图上显示有多个摄像机资源点和每个摄像机资源点对应的监控范围；检测用户点击动作，获取用户点击动作的坐标参数，若坐标参数在一个监控范围内，则将坐标参数发送给管理服务器，以获取坐标参数对应位置的实时视频。本发明实施例提供的视频获取方法、设备及系统，通过每个摄像机资源点对应的监控范围的显示，用户可以查看监控范围中任位置的实时视频，只需一个点击动作，就可以迅速获取该位置的实时视频，无需进行进一步地操作，大大简化了操作流程。

Description

视频获取方法、 设备及系统
本申请要求于 2012 年 6 月 11 日提交中国专利局、 申请号为 201210189742.4、 发明名称为"视频获取方法、 设备及系统，，的中国专利申请的 优先权， 其全部内容通过引用结合在本申请中。
技术领域
本发明实施例涉及通信技术， 尤其涉及一种视频获取方法、 设备及系统。 背景技术 地理信息系统（Geographic Information System, 简称 GIS ), 现有技术的 安防监控系统中， 经常会用到 GIS的地图功能， 通过 GIS地图可以直观展现 现场的地形、 建筑等信息。 GIS地图中通常支持在地图上添加摄像机资源点， 即在实际安装了摄像机的位置添加图标，通过一些基本配置之后该图标即可与 现场的视频对应起来，建立一个快速链接。用户通过点击该链接即可查看现场 实时视频。
在实际应用过程中，用户想在 GIS地图界面上直观的查看现场的实时视频， 需要首先点击 GIS地图上的摄像机图标， 会显示现场实时视频， 若用户需要查 看某个具体位置的视频时， 还需要通过云镜控制按钮调节， 步骤繁多， 操作复 杂。
发明内容 本发明实施例提供一种视频获取方法、设备及系统， 以迅速获取需要查看 位置的实时视频， 简化操作流程。
本发明实施例提供一种视频获取方法， 包括：
从管理服务器获取一可视界面，所述可视界面包括地理信息系统 GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像机资源点对应的监控范 围；
检测用户点击动作， 获取所述用户点击动作的坐标参数， 若所述坐标参数 在一个监控范围内， 则将所述坐标参数发送给所述管理服务器， 以获取所述坐 标参数对应位置的实时视频。
本发明实施例提供一种视频获取方法， 包括：
向终端设备发送一可视界面， 所述可视界面包括地理信息系统 GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像机资源点对应的监控范 围；
根据接收到的所述终端设备发送的坐标参数确定待调节的摄像机资源点 和调节参数，根据所述调节参数对所述待调节的摄像机资源点的摄像机进行调 节， 以使调节后的摄像机釆集所述坐标参数对应位置的实时视频；
获取所述调节后的摄像机资源点釆集到的实时视频，将所述实时视频发送 给所述终端设备。
本发明实施例提供一种终端设备， 包括：
可视界面单元， 用于从管理服务器获取一可视界面， 所述可视界面包括地 理信息系统 GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像机 资源点对应的监控范围；
处理单元， 用于检测用户点击动作， 获取所述用户点击动作的坐标参数， 若所述坐标参数在一个监控范围内， 则将所述坐标参数发送给所述管理服务 器， 以获取所述坐标参数对应位置的实时视频。
本发明实施例提供一种管理服务器， 包括：
可视界面发送单元， 用于向终端设备发送一可视界面， 所述可视界面包括 地理信息系统 GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像 机资源点对应的监控范围；
调节单元，用于根据接收到的所述终端设备发送的坐标参数确定待调节的 摄像机资源点和调节参数，根据所述调节参数对所述待调节的摄像机资源点的 摄像机进行调节， 以使调节后的摄像机釆集所述坐标参数对应位置的实时视 频；
视频发送单元， 用于获取所述调节后的摄像机资源点釆集到的实时视频， 将所述实时视频发送给所述终端设备。
本发明实施例提供一种视频获取系统， 包括：
本发明实施例提供的终端设备， 以及本发明实施例提供的管理服务器。 由上述技术方案可知， 本发明实施例提供的视频获取方法、 设备及系统， 终端设备从管理服务器获取一可视界面， 该可视界面包括地理信息系统 GIS 地图， GIS地图上显示有多个摄像机资源点和每个摄像机资源点对应的监控范 围， 终端设备检测用户点击动作， 获取用户点击动作的坐标参数， 若坐标参数 在一个监控范围内， 则将坐标参数发送给管理服务器， 以获取坐标参数对应位 置的实时视频。通过每个摄像机资源点对应的监控范围的显示， 用户可以查看 监控范围中任位置的实时视频， 只需一个点击动作， 就可以迅速获取该位置的 实时视频， 无需进行进一步地操作， 大大简化了操作流程。
附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施 例或现有技术描述中所需要使用的附图作一简单地介绍， 显而易见地， 下面描 述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出 创造性劳动性的前提下， 还可以根据这些附图获得其他的附图。
图 1为本发明实施例提供的视频获取方法流程图；
图 2为本发明实施例提供的另一种视频获取方法流程图；
图 3为本发明实施例提供的再一种视频获取方法流程图；
图 4为本发明实施例提供的又一种视频获取方法流程图；
图 5为本发明实施例提供的一种终端设备结构示意图；
图 6为本发明实施例提供的另一种终端设备结构示意图；
图 7为本发明实施例提供的一种管理服务器结构示意图；
图 8为本发明实施例提供的另一种管理服务器结构示意图。
具体实施方式 为使本发明实施例的目的、技术方案和优点更加清楚， 下面将结合本发明 实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然， 所描述的实施例是本发明一部分实施例， 而不是全部的实施例。基于本发明中 的实施例 ,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其 他实施例， 都属于本发明保护的范围。
图 1为本发明实施例提供的视频获取方法流程图。如图 1所示， 本实施例提 供的视频获取方法具体可以应用于用户查看某一位置的实时视频的处理过程， 为个人计算机、笔记本电脑、手机、平板电脑等设置有处理器和显示屏的设备。 本实施例提供的视频获取方法具体包括：
步骤 A10、 从管理服务器获取一可视界面， 所述可视界面包括地理信息系 统 GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像机资源点对 应的监控范围；
步骤 A20、 检测用户点击动作， 获取所述用户点击动作的坐标参数， 若所 述坐标参数在一个监控范围内， 则将所述坐标参数发送给所述管理服务器， 以 获取所述坐标参数对应位置的实时视频。
具体地，用户可以通过该终端设备与管理服务器建立连接以获取相应地服 务， 终端设备可以向管理服务器发送地图获取请求， 则管理服务器将一可视界 面发送给终端设备， 终端设备可以通过显示屏对该可视界面进行显示。 可视界 面包括 GIS地图， 该 GIS地图上显示有多个摄像机资源点和每个摄像机资源点 对应的监控范围。 摄像机资源点在 GIS地图上的表现形式可以为一个摄像机的 图标， 也可以为其他形式的标识。 每个摄像机资源点对应的监控范围在 GIS地 图上的表现形式可以为阴影区域， 或者带颜色的区域， 可以与其他非监控范围 区分即可。监控范围用以表示该摄像机资源点的摄像机可以监控的区域。摄像 机安装在 GIS地图上摄像机资源点所在位置的现场， 管理服务器可以对摄像机 进行控制。
用户需要查看某一位置的实时视频时， 可以点击 GIS地图上的该位置， 用 户点击动作可以通过鼠标来完成， 当终端设备的显示屏为触摸屏时，也可以通 过触摸动作在实现。终端设备检测用户点击动作， 获取该用户点击动作的坐标 参数， 该坐标参数具体为该位置在 GIS地图上的坐标。 当 GIS地图为三维地图 时， 该坐标参数可以为三维坐标。 若该坐标参数在一个监控范围内， 说明用户 需要查看该位置的实时视频， 则将该坐标参数发送给管理服务器， 管理服务器 会对该监控范围对应的摄像机资源点的摄像机进行控制，调节摄像机的位置及 参数， 以实现对该位置的实时视频的釆集。 管理服务器将该位置的实时视频发 送给终端设备， 终端设备将该实时视频显示给用户， 终端设备可以弹出一个视 频显示界面以显示该实时视频。
若该用户点击动作的坐标参数不在任何一个监控范围内，则无需对该用户 点击动作进行处理。
本实施例提供的视频获取方法， 终端设备从管理服务器获取一可视界面， 该可视界面包括地理信息系统 GIS地图， GIS地图上显示有多个摄像机资源点 和每个摄像机资源点对应的监控范围， 终端设备检测用户点击动作， 获取用户 点击动作的坐标参数， 若坐标参数在一个监控范围内， 则将坐标参数发送给管 理服务器， 以获取坐标参数对应位置的实时视频。通过每个摄像机资源点对应 的监控范围的显示， 用户可以查看监控范围中任位置的实时视频， 只需一个点 击动作， 就可以迅速获取该位置的实时视频， 无需进行进一步地操作， 大大简 化了操作流程。
在本实施例中， 步骤 A20中， 在将所述坐标参数发送给所述管理服务器之 后， 在获取所述坐标参数对应位置的实时视频之前， 还可以包括如下步骤： 接收所述管理服务器发送的摄像机资源点列表；
根据接收到的选择信息从所述摄像机资源点列表中选择至少一个摄像机 资源点， 并将选择的摄像机资源点的标识信息发送给所述管理服务器。
当某个区域安装的摄像机比较密集时，多个摄像机的监控范围可能存在重 叠。 当用户点击动作的坐标参数所对应的恰好在该重叠范围时， 该坐标参数落 在多个摄像机资源点的监控范围内，则管理服务器会形成摄像机资源点列表发 送给终端设备， 以供用户对摄像机资源点进行选择。摄像机资源点列表具体可 以包括摄像机资源点名称、摄像机的设备信息和摄像机与该查看的位置的直线 距离等信息， 以供用户进行参考。 用户可以选择摄像机资源点列表中的一个或 多个摄像机资源点，终端设备将用户选择的摄像机资源点的标识信息发送给管 理服务器， 管理服务器对用户选择的摄像机资源点的摄像机进行调节。
图 2为本发明实施例提供的另一种视频获取方法流程图。如图 2所示， 本实 施例提供的视频获取方法具体可以应用于用户查看某一位置的实时视频的处 理过程， 可以与图 1所示实施例配合实现。 本实施例提供的视频获取方法可以 通过管理服务器来执行，该管理服务器具体可以为具有处理器的各种计算机设 备。
本实施例提供的视频获取方法具体包括：
步骤 B10、 向终端设备发送一可视界面， 所述可视界面包括地理信息系统
GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像机资源点对应 的监控范围；
步骤 B20、 根据接收到的所述终端设备发送的坐标参数确定待调节的摄像 机资源点和调节参数 ,根据所述调节参数对所述待调节的摄像机资源点的摄像 机进行调节， 以使调节后的摄像机釆集所述坐标参数对应位置的实时视频； 步骤 B30、 获取所述调节后的摄像机资源点釆集到的实时视频， 将所述实 时视频发送给所述终端设备。
具体地， 管理服务器可以根据终端设备的地图获取请求， 向该终端设备发 送可视界面。 可视界面包括 GIS地图， 该 GIS地图上显示有多个摄像机资源点 和每个摄像机资源点对应的监控范围。摄像机资源点及其监控范围可以为预先 设置的， 每个摄像机资源点对应一个现场的摄像机， 摄像机资源点在 GIS地图 中的位置， 即为摄像机的实际位置。 在现场安装摄像机的时候， 可以根据摄像 机的安装信息以及该摄像机的设备信息确定该摄像机的监控范围， 并从 GIS地 图中标识摄像机资源点及其监控范围。
用户需要查看某一位置的实时视频时， 可以点击 GIS地图上的该位置， 终 端设备检测用户点击动作， 获取该用户点击动作的坐标参数， 若该坐标参数在 一个监控范围内，说明用户需要查看该位置的实时视频， 则将该坐标参数发送 给管理服务器。
管理服务器根据该坐标参数确定所在的监控范围，以及该监控范围对应的 摄像机资源点， 该摄像机资源点即为待调节的摄像机资源点。 已知该待调节的 摄像机资源点的信息，再根据所要查看的位置的坐标信息， 即可计算出调节参 数， 管理服务器根据该调节参数控制该待调节的摄像机资源点的摄像机，使该 摄像机釆集所要查看的位置的实时视频。管理服务器获取该摄像机釆集到的实 时视频， 将该视频发送给终端设备。
在实际实现过程中， 为了减轻管理服务器的处理压力，还可以设置转发服 务器。 则管理服务器对摄像机进行调节后， 可以将该已调节的摄像机的信息以 及终端设备的信息发送给转发服务器， 摄像机的信息例如为摄像机的编号、 IP 地址和通道号等信息， 终端设备的信息例如为终端设备的 IP地址， 由转发服务 器分别建立与摄像机和终端设备的连接， 将该实时视频转发给终端设备。
本实施例提供的视频获取方法， 管理服务器向终端设备发送一可视界面， 该可视界面包括地理信息系统 GIS地图， GIS地图上显示有多个摄像机资源点 和每个摄像机资源点对应的监控范围，管理服务器根据接收到的终端设备发送 的坐标参数确定待调节的摄像机资源点和调节参数 ,根据调节参数对待调节的 摄像机资源点的摄像机进行调节，以使调节后的摄像机釆集坐标参数对应位置 的实时视频， 获取调节后的摄像机资源点釆集到的实时视频，将实时视频发送 给终端设备。通过每个摄像机资源点对应的监控范围的显示， 用户可以查看监 控范围中任位置的实时视频， 只需一个点击动作， 就可以迅速获取该位置的实 时视频， 无需进行进一步地操作， 大大简化了操作流程。
图 3为本发明实施例提供的再一种视频获取方法流程图。如图 3所示， 可以 预先设置 GIS地图上显示的每个摄像机资源点对应的监控范围， 则在本实施例 中， 进一步地， 在步骤 B10, 向终端设备发送一可视界面之前， 还可以包括： 步骤 B40、 从 GIS服务器获取初始 GIS地图信息；
步骤 B50、 根据获取到的每个所述摄像机资源点的设备信息、 安装信息和 所述初始 GIS地图信息， 确定每个所述摄像机资源点对应的监控范围， 并生成 所述可视界面。
具体地， GIS服务器可以提供 GIS地图服务， 管理服务器可以从 GIS服务器 获取初始 GIS地图信息， 该初始 GIS地图信息即为初始的 GIS地图。 每个摄像机 资源点的设备信息和安装信息具体可以由管理人员输入，也可以从管理这些摄 像机的物联网信息服务器中获取。摄像机资源点对应一个现场的摄像机。设备 信息具体可以包括摄像机的类型、监控角度和变倍倍数等信息， 安装信息具体 可以包括摄像机的安装位置和周围的环境信息等。根据摄像机的安装信息，通 过图标或其他标识形式在 GIS地图上设置对应于该摄像机的摄像机资源点。 根 据摄像机的安装信息和设备信息， 可以确定该摄像机可以监控的范围区域， 并 在 GIS地图上标识出该监控范围。
在本实施例中， 步骤 B50, 所述根据获取到的每个所述摄像机资源点的设 备信息、 安装信息和所述初始 GIS地图信息， 确定每个所述摄像机资源点对应 的监控范围， 具体可以包括：
对于每个所述摄像机资源点，若根据所述设备信息识别到所述摄像机资源 点的摄像机为球机， 则确定所述球机的监控角度，根据所述安装信息确定所述 球机的位置坐标信息， 根据所述球机的监控角度、 位置坐标信息和所述初始 GIS地图信息确定所述球机的监控范围； 若根据所述设备信息识别到所述摄像 机资源点的摄像机为枪机，则根据所述安装信息确定所述枪机的位置坐标信息 和安装角度， 根据所述枪机的位置坐标信息、 安装角度和所述初始 GIS地图信 息确定所述枪机的监控范围。
具体地， 当网络系统中存在多种类型的摄像机时，对于不同类型的摄像机 可以釆用不同的方法来确定监控范围。
具体地， 对每个摄像机资源点的监控范围的确定均可釆用以下方法来实 现： 根据设备信息识别该摄像机资源点的摄像机的类型， 若该摄像机为球机， 则确定该球机的监控角度， 球机的监控角度可能是 360度， 也可能小于 360度。 根据该球机的安装信息可以确定该球机的位置坐标信息，再根据球机的监控角 度、 位置坐标信息和初始 GIS地图信息确定球机的监控范围。
以下对球机的监控范围的确定过程做详细说明。
GIS地图上任意一点的坐标为 （Xn, Yn, Ζη ) , 球机的安装位置的坐标 为 （xl , yl , zl+h ) , 其中， Zl为该安装位置对应的海平面高度， h为安装高 度。
若球机的监控角度为 360度，则可以通过以下公式确定该球机的监控范围： ( Xn-xl ) 2 + ( Yn-yl ) 2 < L2 , JLZn < zl+h;
符合该公式的 （Xn, Yn, Zn )所形成的范围即为该球机的监控范围。 若球机监控角度的不到 360度， 假设为 A, 根据该球机的安装信息可以确 定该球机监控角度的边界与 GIS地图正方向的夹角， GIS地图正方向具体为东。 例如， 监控角度的左边界与 GIS正方向夹角为 B ( 0-360度） ， 则右边界与 GIS 正方向夹角为 B-A, 若 B-A为负， 则取 B-A+360。
可以通过以下公式确定该球机的监控范围：
( Xn-xl ) 2 + ( Yn-yl ) 2 < L2 , JLZn < zl+h, L为根据球机的焦距计算得 出的球机水平覆盖半径；
当 B-A>0时， B-A < arctan ( Yn-yl ) / ( Xn-xl ) < B;
当 B-A<0时， B-A+360 < arctan ( Yn-yl ) / ( Xn-xl ) 360
或 0 < arctan ( Yn-yl ) I ( Xn-xl ) < B;
假定 C=arctan ( Yn-yl ) / ( Xn-xl ) , 则 C的取值为： 当 Yn-yl >0时， C取 180度以下的值， 当 Yn-yl<0时， C取 180-360度之间的值。
若摄像机为枪机
由于枪机的安装后， 不能旋转和变倍， 其可以监控的范围比较固定。 则可 以根据枪机的位置坐标信息和安装角度来确定该枪机可能监控的范围。
在实际实现过程中， 由于枪机的安装角度测量的不准确定，也可以根据该 安装角度估算一个监控范围。 在本实施例中， 由于摄像机安装现场的周围环境中可能存在其他的遮挡 物， 这些遮挡物影响摄像机的监控范围。 则在确定摄像机的监控范围时， 可以 考虑遮挡物对监控范围的影响， 以提高监控范围的准确性。
当摄像机为球机时， 所述根据所述球机的监控角度、位置坐标信息和所述 初始 GIS地图信息确定所述球机的监控范围， 具体可以包括：
根据所述球机的监控角度和位置坐标信息确定所述球机的理论监控范围， 根据所述初始 GIS地图信息判断所述球机的理论监控范围中是否存在遮挡物， 若存在， 则根据所述遮挡物的位置信息对所述球机的理论监控范围进行修正， 生成所述球机的监控范围；
判断球机的监控范围中是否存在遮挡物，该遮挡物具体可以为一突出的建 筑物、 设施等， 若球机所监控的范围内存在遮挡物时， 上述实施例中， 所确定 的球机的监控范围为理论监控范围， 对该理论监控范围进行修正。
例如， （Xn, Yn, Ζη )为理论监控范围内的任一点的坐标， 球机的安装 位置的坐标为 （xl , yl , zl+h ) , 其中， Ζ1为该安装位置对应的海平面高度， h为安装高度。
该点与球机之间的所有点的水平坐标公式为： y= ( Yn-yl ) / ( Xn-xl ) , 其中， χ在 xl与 Χη之间；
高度 hi为球机观察点 （Xn, Yn, Zn ) 时， 在水平坐标为 （x, y ) 的点可 观察到的高度与被观察点 （Xn, Yn, Zn ) 的高度差；
通过以下公式计算出 hi :
l(Xn - xl)2 + (Yn - yl)2 I
Figure imgf000011_0001
= (zl+h - Zn) I hi；
通过初始 GIS地图信息提取该点与球机之间所有点的高度， 即提取水平坐 标符合公式 y= ( Yn-yl ) I ( Xn-xl ) x 的所有点的高度信息 z, 其中， x在 xl 与 Xn之间；
^z>Zn+hl , 则说明球机在观察 ( Xn, Yn, Zn )点时 , 中间有遮挡；
^z<Zn+hl , 则说明球机在观察 ( Xn, Yn, Zn )点时 , 中间没有遮挡物。 通过上述方法可以对球机的理论监控范围进行修正，以生成实际的监控范 围。
当摄像机为枪机时， 所述根据所述枪机的位置坐标信息和所述初始 GIS地 图信息确定所述枪机的监控范围， 具体可以包括： 根据所述枪机的位置坐标信息确定所述枪机的理论监控范围，根据所述初 始 GIS地图信息判断所述枪机的理论监控范围中是否存在遮挡物， 若存在， 则 根据所述遮挡物的位置信息对所述枪机的理论监控范围进行修正，生成所述枪 机的监控范围。
判断枪机的监控范围中是够存在遮挡物的方法具体可以与球机的判断方 法类似， 在此不再赘述。
在实际应用中， 若摄像机安装在室内， 则摄像机的监控范围可能会受到四 周墙壁的影响， 则可以根据建筑物的空间结构设定该监控范围。
图 4为本发明实施例提供的又一种视频获取方法流程图。如图 4所示，在本 实施例中， 步骤 B20, 所述根据接收到的所述终端设备发送的坐标参数确定待 调节的摄像机资源点和调节参数，根据所述调节参数对所述待调节的摄像机资 源点的摄像机进行调节， 具体可以包括：
步骤 B201、 根据接收到的所述终端设备发送的坐标参数， 确定所述坐标 参数对应的监控范围以及所述监控范围对应的摄像机资源点，若所述监控范围 只有一个，则将所述监控范围对应的摄像机资源点作为所述待调节的摄像机资 源点， 若所述监控范围的数量为至少两个， 则形成摄像机资源点列表并发送给 所述终端设备， 以及接收所述终端设备发送的标识信息， 将所述标识信息对应 的摄像机资源点作为所述待调节的摄像机资源点；
管理服务器根据接收到的坐标参数，确定该坐标参数所在的监控范围， 以 及监控范围对应的摄像机资源点。若该坐标参数所在监控范围只有一个， 则该 监控范围对应的摄像机资源点即为待调节的摄像机资源点。若该坐标参数所在 监控范围为至少两个，则将该至少两个监控范围对应的摄像机资源点形成摄像 机资源点列表， 并发送给设备终端， 以供用户进行选择。 终端设备发送的标识 信息用以指示用户所选择的摄像机资源点。
步骤 B202、 获取所述待调节的摄像机资源点的设备信息和安装信息， 若 根据所述调节的摄像机资源点的设备信息识别到所述待调节的摄像机资源点 的摄像机为球机， 则根据所述待调节的摄像机资源点的设备信息、安装信息和 所述坐标参数生成水平转动角度、垂直转动角度和变倍倍数，将所述水平转动 角度、垂直转动角度和变倍倍数作为所述调节参数，控制所述待调节的摄像机 资源点的摄像机按照所述水平转动角度水平转动、按照所述垂直转动角度垂直 转动以及按照所述变倍倍数进行伸缩变倍。
若待调节的摄像机资源点的摄像机为球机，则可以对该球机的观察角度进 行调节，并对球机的进行伸缩变倍。球机的安装位置的坐标为（xl, yl, zl+h) , 坐标参数为 （x2, y2, z2) , 球机当前的水平观察角度为 β , 竖直观察角度为 b。
可以根据以下公式生成水平转动角度 β - α：
若 x2 > xl , 且 y2 > yl , 则 a =arctan ( y2-yl ) I ( x2-xl ) ， 且 a < 90度； 若 x2 < xl , 且 y2 > yl , 则 a =arctan ( y2-yl ) I ( x2-xl ) , 且 90度 < < 180 度；
若 x2<xl, JLy2 < yl , 则 =arctan ( y2-yl ) I ( x2-xl ) , 且 180度< α <
270度；
若 χ2 > xl , 且 y2 < yl , 则 a =arctan ( y2-yl ) I ( x2-xl ) , 且 270度 < α < 360度；
若 β-α为正数且差值小于 180, 则顺时针旋转相应角度；
若 β-α为正数且差值大于 180, 则逆时针旋转 360- ( β- ) ；
若 β - α为负数且差值大于 -180, 则逆时针方向旋转相应角度；
若 β-α为负数且差值小于 -180, 则顺时针旋转 360+ ( β- ) 。
可以根据以下公式生成垂直转动角度 b-a;
a = arctan(zl + h-z2)/ ](x\-x2)2 +(y\- y2)2 ；
其中， zl+h>z2, 即球机安装高度高于观察点；
若 b-a为正数则向上转动相应角度；
若 b-a为负数则向下转动相应角度。
可以根据以下公式生成变倍倍数 n:
n = m^(x\ -x2†+ (y\ - y2)2 +(z\ + h- z2)2 / L
其中， m为球机的最大倍数， 若 n的计算结果不为整数， 则取最邻近的整 数值， 若 n>m, 则取 m。
若待调节的摄像机资源点的摄像机为枪机， 若该枪机不可控， 则无需对枪 机进行调节， 直接获取该枪机釆集到的实时视频即可。
在实际应用中， 也就可以不预先判断遮挡物对摄像机的监控范围的影响。 当用户想要查看某一位置的实时视频后， 根据用户点击动作对应的坐标参数， 实时判断摄像机与该位置之间是否存在遮挡物， 并提示给用户。
图 5为本发明实施例提供的一种终端设备结构示意图。如图 5所示， 本实施 例提供的终端设备 81可以实现本发明任意实施例提供的应用于终端设备 81的 视频获取方法的各个步骤， 此不再赘述。本实施例提供的终端设备 81具体包括 可视界面单元 11和处理单元 12,可视界面单元 11用于从管理服务器 82获取一可 视界面， 所述可视界面包括地理信息系统 GIS地图， 所述 GIS地图上显示有多 个摄像机资源点和每个摄像机资源点对应的监控范围。处理单元 12用于检测用 户点击动作， 获取所述用户点击动作的坐标参数， 若所述坐标参数在一个监控 范围内， 则将所述坐标参数发送给所述管理服务器 82, 以获取所述坐标参数对 应位置的实时视频。
本实施例提供的终端设备 81 ,可视界面单元 11从管理服务器 82获取一可视 界面， 该可视界面包括地理信息系统 GIS地图， GIS地图上显示有多个摄像机 资源点和每个摄像机资源点对应的监控范围， 处理单元 12检测用户点击动作， 获取用户点击动作的坐标参数， 若坐标参数在一个监控范围内， 则将坐标参数 发送给管理服务器 82, 以获取坐标参数对应位置的实时视频。通过每个摄像机 资源点对应的监控范围的显示， 用户可以查看监控范围中任位置的实时视频， 只需一个点击动作， 就可以迅速获取该位置的实时视频， 无需进行进一步地操 作， 大大简化了操作流程。
图 6为本发明实施例提供的另一种终端设备结构示意图。如图 6所示，在本 实施例中， 该终端设备 81还可以包括列表接收单元 13和选择单元 14。 列表接收 单元 13用于接收所述管理服务器 82发送的摄像机资源点列表。选择单元 14用于 根据接收到的选择信息从所述摄像机资源点列表中选择至少一个摄像机资源 点， 并将选择的摄像机资源点的标识信息发送给所述管理服务器 82。用户可以 根据摄像机资源点列表中可选的摄像机资源点的信息进行选择，以获得较佳的 实时视频。
图 7为本发明实施例提供的一种管理服务器结构示意图。如图 7所示， 本实 施例提供的管理服务器 82具体可以实现本发明任意实施例提供的应用于管理 服务器 82的视频获取方法的各个步骤， 此不再赘述。本实施例提供的管理服务 器 82具体包括可视界面发送单元 21、调节单元 22和视频发送单元 23。可视界面 发送单元 21用于向终端设备 81发送一可视界面 ,所述可视界面包括地理信息系 统 GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像机资源点对 应的监控范围。调节单元 22用于根据接收到的所述终端设备 81发送的坐标参数 确定待调节的摄像机资源点和调节参数 ,根据所述调节参数对所述待调节的摄 像机资源点的摄像机进行调节，以使调节后的摄像机釆集所述坐标参数对应位 置的实时视频。视频发送单元 23用于获取所述调节后的摄像机资源点釆集到的 实时视频， 将所述实时视频发送给所述终端设备 81。
本实施例提供的管理服务器 82,可视界面发送单元 21向终端设备 81发送一 可视界面， 该可视界面包括地理信息系统 GIS地图， GIS地图上显示有多个摄 像机资源点和每个摄像机资源点对应的监控范围，调节单元 22根据接收到的终 端设备 81发送的坐标参数确定待调节的摄像机资源点和调节参数 ,根据调节参 数对待调节的摄像机资源点的摄像机进行调节，以使调节后的摄像机釆集坐标 参数对应位置的实时视频，视频发送单元 23获取调节后的摄像机资源点釆集到 的实时视频，将实时视频发送给终端设备 81。通过每个摄像机资源点对应的监 控范围的显示， 用户可以查看监控范围中任位置的实时视频， 只需一个点击动 作， 就可以迅速获取该位置的实时视频， 无需进行进一步地操作， 大大简化了 操作流程。
图 8为本发明实施例提供的另一种管理服务器结构示意图。如图 8所示，在 本实施例中，该管理服务器 82还可以包括地图信息获取单元 24和可视界面生成 单元 25。 地图信息获取单元 24用于从 GIS服务器 83获取初始 GIS地图信息。 可 视界面生成单元 25用于根据获取到的每个所述摄像机资源点的设备信息、安装 信息和所述初始 GIS地图信息， 确定每个所述摄像机资源点对应的监控范围， 并生成所述可视界面。通过地图信息获取单元 24和可视界面生成单元 25可以预 先生成包含有该显示有摄像机资源点及其监控范围的 GIS地图的可视界面， 还 可以根据增添的新的摄像机的信息对该可视界面的显示进行更新。
在本实施例中，所述可视界面生成单元 25还用于对于每个所述摄像机资源 点， 若根据所述设备信息识别到所述摄像机资源点的摄像机为球机， 则确定所 述球机的监控角度，根据所述安装信息确定所述球机的位置坐标信息，根据所 述球机的监控角度、 位置坐标信息和所述初始 GIS地图信息确定所述球机的监 控范围；
若根据所述设备信息识别到所述摄像机资源点的摄像机为枪机，则根据所 述安装信息确定所述枪机的位置坐标信息和安装角度，根据所述枪机的位置坐 标信息、 安装角度和所述初始 GIS地图信息确定所述枪机的监控范围。
在本实施例中 ,所述可视界面生成单元 25还用于根据所述球机的监控角度 和位置坐标信息确定所述球机的理论监控范围， 根据所述初始 GIS地图信息判 断所述球机的理论监控范围中是否存在遮挡物， 若存在， 则根据所述遮挡物的 位置信息对所述球机的理论监控范围进行修正，生成所述球机的监控范围；或， 根据所述枪机的位置坐标信息确定所述枪机的理论监控范围， 根据所述初始 GIS地图信息判断所述枪机的理论监控范围中是否存在遮挡物， 若存在， 则根 据所述遮挡物的位置信息对所述枪机的理论监控范围进行修正，生成所述枪机 的监控范围。
在本实施例中，所述调节单元 22可以包括摄像机确定子单元 31和调节子单 元 32。 摄像机确定子单元 31用于根据接收到的所述终端设备 81发送的坐标参 数， 确定所述坐标参数对应的监控范围以及所述监控范围对应的摄像机资源 点， 若所述监控范围只有一个， 则将所述监控范围对应的摄像机资源点作为所 述待调节的摄像机资源点， 若所述监控范围的数量为至少两个， 则形成摄像机 资源点列表并发送给所述终端设备 81 ,以及接收所述终端设备 81发送的标识信 息，将所述标识信息对应的摄像机资源点作为所述待调节的摄像机资源点。调 节子单元 32用于获取所述待调节的摄像机资源点的设备信息和安装信息，若根 据所述调节的摄像机资源点的设备信息识别到所述待调节的摄像机资源点的 摄像机为球机， 则根据所述待调节的摄像机资源点的设备信息、安装信息和所 述坐标参数生成水平转动角度、垂直转动角度和变倍倍数，将所述水平转动角 度、垂直转动角度和变倍倍数作为所述调节参数，控制所述待调节的摄像机资 源点的摄像机按照所述水平转动角度水平转动、按照所述垂直转动角度垂直转 动以及按照所述变倍倍数进行伸缩变倍。
本发明实施例提供一种视频获取系统，该视频获取系统包括本发明任意实 施例提供的终端设备， 以及本发明任意实施例提供的管理服务器。
本实施例提供的视频获取系统可以应用于安防监控系统中，安防监控系统 中在需要进行监控的现场安装有摄像机， 管理服务器可以从 GIS服务器获取初 始 GIS地图信息， 并根据摄像机的设备信息和安装信息， 在 GIS地图上显示摄 像机资源点及其监控范围。 用户可以通过终端设备与该管理服务器进行交互， 管理服务器为终端设备提供一可视界面，该可视界面中包括显示有摄像机资源 点及其监控范围的 GIS地图。 摄像机资源点可以用摄像机图标来表示， 监控范 围可以用阴影区域来表示。 用户可以通过终端设备看到 GIS地图上显示的摄像 机图标和该摄像机可以覆盖的监控范围。 用户想查看某一位置的实时视频时， 直接点击 GIS地图上摄像机监控范围内任意一点。 就会弹出该摄像机的实时视 频，如果该摄像机为球机， 则球机在管理系统的控制下转动到用户想观察的位 置， 并进行适当的伸缩变倍， 以获得清晰的实时视频。
安防监控系统中还可以设置存储服务器，以实现对各个摄像机釆集到的实 时视频进行存储。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可 以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机可读取存 储介质中， 该程序在执行时， 执行包括上述方法实施例的步骤； 而前述的存储 介质包括： ROM、 RAM, 磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是： 以上实施例仅用以说明本发明的技术方案， 而非对其限 制； 尽管参照前述实施例对本发明进行了详细的说明， 本领域的普通技术人员 应当理解： 其依然可以对前述各实施例所记载的技术方案进行修改， 或者对其 中部分技术特征进行等同替换； 而这些修改或者替换， 并不使相应技术方案的 本质脱离本发明各实施例技术方案的范围。

Claims

权利要求
1、 一种视频获取方法， 其特征在于， 包括：
从管理服务器获取一可视界面，所述可视界面包括地理信息系统 GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像机资源点对应的监控范 围；
检测用户点击动作， 获取所述用户点击动作的坐标参数， 若所述坐标参数 在一个监控范围内， 则将所述坐标参数发送给所述管理服务器， 以获取所述坐 标参数对应位置的实时视频。
2、 根据权利要求 1所述的视频获取方法， 其特征在于， 在将所述坐标参数 发送给所述管理服务器之后， 在获取所述坐标参数对应位置的实时视频之前， 还包括：
接收所述管理服务器发送的摄像机资源点列表；
根据接收到的选择信息从所述摄像机资源点列表中选择至少一个摄像机 资源点， 并将选择的摄像机资源点的标识信息发送给所述管理服务器。
3、 一种视频获取方法， 其特征在于， 包括：
向终端设备发送一可视界面， 所述可视界面包括地理信息系统 GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像机资源点对应的监控范 围；
根据接收到的所述终端设备发送的坐标参数确定待调节的摄像机资源点 和调节参数，根据所述调节参数对所述待调节的摄像机资源点的摄像机进行调 节， 以使调节后的摄像机釆集所述坐标参数对应位置的实时视频；
获取所述调节后的摄像机资源点釆集到的实时视频，将所述实时视频发送 给所述终端设备。
4、 根据权利要求 3所述的视频获取方法， 其特征在于， 在向终端设备发送 一可视界面之前， 还包括：
从 GIS服务器获取初始 GIS地图信息；
根据获取到的每个所述摄像机资源点的设备信息、 安装信息和所述初始 GIS地图信息， 确定每个所述摄像机资源点对应的监控范围， 并生成所述可视 界面。
5、 根据权利要求 4所述的视频获取方法， 其特征在于， 所述根据获取到的 每个所述摄像机资源点的设备信息、 安装信息和所述初始 GIS地图信息， 确定 每个所述摄像机资源点对应的监控范围， 包括：
对于每个所述摄像机资源点，若根据所述设备信息识别到所述摄像机资源 点的摄像机为球机， 则确定所述球机的监控角度，根据所述安装信息确定所述 球机的位置坐标信息， 根据所述球机的监控角度、 位置坐标信息和所述初始 GIS地图信息确定所述球机的监控范围； 若根据所述设备信息识别到所述摄像 机资源点的摄像机为枪机， 则
根据所述安装信息确定所述枪机的位置坐标信息和安装角度，根据所述枪 机的位置坐标信息、 安装角度和所述初始 GIS地图信息确定所述枪机的监控范 围。
6、 根据权利要求 5所述的视频获取方法， 其特征在于：
所述根据所述球机的监控角度、 位置坐标信息和所述初始 GIS地图信息确 定所述球机的监控范围， 包括：
根据所述球机的监控角度和位置坐标信息确定所述球机的理论监控范围， 根据所述初始 GIS地图信息判断所述球机的理论监控范围中是否存在遮挡物， 若存在， 则根据所述遮挡物的位置信息对所述球机的理论监控范围进行修正， 生成所述球机的监控范围；
所述根据所述枪机的位置坐标信息和所述初始 GIS地图信息确定所述枪机 的监控范围， 包括：
根据所述枪机的位置坐标信息确定所述枪机的理论监控范围，根据所述初 始 GIS地图信息判断所述枪机的理论监控范围中是否存在遮挡物， 若存在， 则 根据所述遮挡物的位置信息对所述枪机的理论监控范围进行修正，生成所述枪 机的监控范围。
7、 根据权利要求 3所述的视频获取方法， 其特征在于， 所述根据接收到的 所述终端设备发送的坐标参数确定待调节的摄像机资源点和调节参数，根据所 述调节参数对所述待调节的摄像机资源点的摄像机进行调节， 包括：
根据接收到的所述终端设备发送的坐标参数，确定所述坐标参数对应的监 控范围以及所述监控范围对应的摄像机资源点， 若所述监控范围只有一个， 则 将所述监控范围对应的摄像机资源点作为所述待调节的摄像机资源点，若所述 监控范围的数量为至少两个， 则形成摄像机资源点列表并发送给所述终端设 备， 以及接收所述终端设备发送的标识信息，将所述标识信息对应的摄像机资 源点作为所述待调节的摄像机资源点；
获取所述待调节的摄像机资源点的设备信息和安装信息，若根据所述调节 的摄像机资源点的设备信息识别到所述待调节的摄像机资源点的摄像机为球 机， 则根据所述待调节的摄像机资源点的设备信息、安装信息和所述坐标参数 生成水平转动角度、 垂直转动角度和变倍倍数， 将所述水平转动角度、 垂直转 动角度和变倍倍数作为所述调节参数 ,控制所述待调节的摄像机资源点的摄像 机按照所述水平转动角度水平转动、按照所述垂直转动角度垂直转动以及按照 所述变倍倍数进行伸缩变倍。
8、 一种终端设备， 其特征在于， 包括：
可视界面单元， 用于从管理服务器获取一可视界面， 所述可视界面包括地 理信息系统 GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像机 资源点对应的监控范围；
处理单元， 用于检测用户点击动作， 获取所述用户点击动作的坐标参数， 若所述坐标参数在一个监控范围内， 则将所述坐标参数发送给所述管理服务 器， 以获取所述坐标参数对应位置的实时视频。
9、 根据权利要求 8所述的终端设备， 其特征在于， 还包括：
列表接收单元， 用于接收所述管理服务器发送的摄像机资源点列表； 选择单元，用于根据接收到的选择信息从所述摄像机资源点列表中选择至 少一个摄像机资源点，并将选择的摄像机资源点的标识信息发送给所述管理服 务器。
10、 一种管理服务器， 其特征在于， 包括：
可视界面发送单元， 用于向终端设备发送一可视界面， 所述可视界面包括 地理信息系统 GIS地图， 所述 GIS地图上显示有多个摄像机资源点和每个摄像 机资源点对应的监控范围；
调节单元，用于根据接收到的所述终端设备发送的坐标参数确定待调节的 摄像机资源点和调节参数，根据所述调节参数对所述待调节的摄像机资源点的 摄像机进行调节， 以使调节后的摄像机釆集所述坐标参数对应位置的实时视 频； 视频发送单元， 用于获取所述调节后的摄像机资源点釆集到的实时视频， 将所述实时视频发送给所述终端设备。
11、 根据权利要求 10所述的管理服务器， 其特征在于， 还包括： 地图信息获取单元， 用于从 GIS服务器获取初始 GIS地图信息；
可视界面生成单元， 用于根据获取到的每个所述摄像机资源点的设备信 息、 安装信息和所述初始 GIS地图信息， 确定每个所述摄像机资源点对应的监 控范围， 并生成所述可视界面。
12、 根据权利要求 11所述的管理服务器， 其特征在于： 所述可视界面生成 单元还用于对于每个所述摄像机资源点，若根据所述设备信息识别到所述摄像 机资源点的摄像机为球机， 则确定所述球机的监控角度，根据所述安装信息确 定所述球机的位置坐标信息，根据所述球机的监控角度、位置坐标信息和所述 初始 GIS地图信息确定所述球机的监控范围； 若根据所述设备信息识别到所述 摄像机资源点的摄像机为枪机，则根据所述安装信息确定所述枪机的位置坐标 信息和安装角度， 根据所述枪机的位置坐标信息、 安装角度和所述初始 GIS地 图信息确定所述枪机的监控范围。
13、 根据权利要求 12所述的管理服务器， 其特征在于：
所述可视界面生成单元还用于根据所述球机的监控角度和位置坐标信息 确定所述球机的理论监控范围， 根据所述初始 GIS地图信息判断所述球机的理 论监控范围中是否存在遮挡物， 若存在， 则根据所述遮挡物的位置信息对所述 球机的理论监控范围进行修正， 生成所述球机的监控范围； 或， 根据所述枪机 的位置坐标信息确定所述枪机的理论监控范围， 根据所述初始 GIS地图信息判 断所述枪机的理论监控范围中是否存在遮挡物， 若存在， 则根据所述遮挡物的 位置信息对所述枪机的理论监控范围进行修正， 生成所述枪机的监控范围。
14、根据权利要求 10所述的管理服务器，其特征在于，所述调节单元包括： 摄像机确定子单元， 用于根据接收到的所述终端设备发送的坐标参数， 确 定所述坐标参数对应的监控范围以及所述监控范围对应的摄像机资源点，若所 述监控范围只有一个 ,则将所述监控范围对应的摄像机资源点作为所述待调节 的摄像机资源点， 若所述监控范围的数量为至少两个， 则形成摄像机资源点列 表并发送给所述终端设备， 以及接收所述终端设备发送的标识信息，将所述标 识信息对应的摄像机资源点作为所述待调节的摄像机资源点； 调节子单元， 用于获取所述待调节的摄像机资源点的设备信息和安装信 息 ,若根据所述调节的摄像机资源点的设备信息识别到所述待调节的摄像机资 源点的摄像机为球机， 则根据所述待调节的摄像机资源点的设备信息、安装信 息和所述坐标参数生成水平转动角度、垂直转动角度和变倍倍数，将所述水平 转动角度、垂直转动角度和变倍倍数作为所述调节参数，控制所述待调节的摄 像机资源点的摄像机按照所述水平转动角度水平转动、按照所述垂直转动角度 垂直转动以及按照所述变倍倍数进行伸缩变倍。
15、 一种视频获取系统， 其特征在于， 包括：
如权利要求 8或 9所述的终端设备， 以及如权利要求 10-14任一所述的 管理服务器。
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Publication number Priority date Publication date Assignee Title
CN103702030A (zh) * 2013-12-25 2014-04-02 浙江宇视科技有限公司 一种基于gis地图的场景监控方法和移动目标追踪方法
EP3091735A4 (en) * 2014-01-03 2016-11-16 Hangzhou Hikvision Digital Tec METHOD AND DEVICE FOR EXTRACTION OF MONITOR RECORDING VIDEOS
CN107870633A (zh) * 2017-11-13 2018-04-03 深圳中天云隼科技有限公司 监控目标定位方法
CN112954271A (zh) * 2021-01-28 2021-06-11 浙江大华技术股份有限公司 一种视频监控布防方法、系统、可存储介质及计算机设备
CN112954271B (zh) * 2021-01-28 2023-04-21 浙江大华技术股份有限公司 一种视频监控布防方法、系统、可存储介质及计算机设备
CN114546141A (zh) * 2022-04-25 2022-05-27 成都柔水科技有限公司 一种基于ue5的适用于gis应用的相机控制方法
CN114546141B (zh) * 2022-04-25 2022-07-12 成都柔水科技有限公司 一种基于ue5的适用于gis应用的相机控制方法

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JP2016189614A (ja) 2016-11-04
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US20140380163A1 (en) 2014-12-25
CN103491339B (zh) 2017-11-03
KR101613112B1 (ko) 2016-04-18
EP2811740A4 (en) 2015-03-25
JP5956678B2 (ja) 2016-07-27
EP2811740A1 (en) 2014-12-10
KR20140129331A (ko) 2014-11-06
JP2015517768A (ja) 2015-06-22

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