WO2007145064A1 - データ送信装置、データ送信方法、視聴環境制御装置、視聴環境制御システム、及び視聴環境制御方法 - Google Patents
データ送信装置、データ送信方法、視聴環境制御装置、視聴環境制御システム、及び視聴環境制御方法 Download PDFInfo
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- WO2007145064A1 WO2007145064A1 PCT/JP2007/060603 JP2007060603W WO2007145064A1 WO 2007145064 A1 WO2007145064 A1 WO 2007145064A1 JP 2007060603 W JP2007060603 W JP 2007060603W WO 2007145064 A1 WO2007145064 A1 WO 2007145064A1
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- illumination
- viewing environment
- video data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/23412—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs for generating or manipulating the scene composition of objects, e.g. MPEG-4 objects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
- H04N21/2353—Processing of additional data, e.g. scrambling of additional data or processing content descriptors specifically adapted to content descriptors, e.g. coding, compressing or processing of metadata
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25825—Management of client data involving client display capabilities, e.g. screen resolution of a mobile phone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25833—Management of client data involving client hardware characteristics, e.g. manufacturer, processing or storage capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26603—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for automatically generating descriptors from content, e.g. when it is not made available by its provider, using content analysis techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42202—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/155—Coordinated control of two or more light sources
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/198—Grouping of control procedures or address assignation to light sources
- H05B47/1985—Creation of lighting zones or scenes
Definitions
- Data transmission device data transmission method, viewing environment control device, viewing environment control system, and viewing environment control method
- the present invention can control illumination light around a video display device when the video is displayed on the video display device in accordance with the atmosphere and scene setting of the shooting scene of the video.
- the present invention relates to a data transmission device, a data transmission method, a viewing environment control device, a viewing environment control system, and a viewing environment control method.
- Japanese Patent Laid-Open No. 2-158094 discloses a color signal (R,
- variable-light-color illumination device that calculates the mixed light intensity ratio of the three primary colors of the light source for each frame from G, B) and the luminance signal (Y), and performs dimming control in conjunction with the image. ing.
- This variable-light-color illumination device takes out the display video power color signal (R, G, B) and luminance signal (Y) of a color television, and uses the color signal and luminance signal to obtain three signals for use as a light source. It calculates the appropriate dimming illuminance ratio of the colored light (red light, green light, blue light), sets the illuminance of the three color light according to the illuminance ratio, mixes the three color light, and outputs it as illumination light.
- a television image is divided into a plurality of parts, and an average hue of the corresponding dividing unit is detected to control illumination around the dividing unit.
- a video effect lighting apparatus to perform is disclosed.
- This video effect lighting device includes illumination means for illuminating the surroundings of the installation location of the color television, divides the image displayed on the color television into a plurality of images, and displays an image corresponding to the portion illuminated by the illumination means. The average hue of the division part is detected, and the illumination means is controlled based on the detected hue.
- Japanese Patent Laid-Open No. 3-184203 simply discloses the entire screen of the image display device.
- the image power displayed on the screen of the image display device does not require the average chromaticity and average brightness of the image to be obtained.
- Only the R, G, B signals and luminance signals of the pixels are extracted to obtain the average chromaticity and average luminance.
- a method for controlling the lighting so as to be the same as the average chromaticity and average luminance of the background portion excluding the background portion is disclosed.
- a video scene is created as a segmented video based on a series of scene settings, for example, by the intention of a video producer (screenwriter, director, etc.). Therefore, it is desirable to illuminate the viewing space with illumination light according to the scene situation of the displayed video in order to increase the atmosphere when viewing the video.
- the state of the illumination light changes according to the change in the luminance and hue of the video signal for each frame, and particularly the change in the luminance and hue between frames.
- the degree is high, the illumination light changes in a complicated manner, causing a problem that the viewer feels uncomfortable with the flicker.
- the illumination light fluctuates in accordance with changes in luminance and hue for each frame during the display of one scene with no change in scene settings, which adversely affects the atmosphere for each scene.
- FIG. 1 is a diagram for explaining an example of a problem of illumination variation according to the conventional technique.
- a video scene was created with the scene setting of moonlight night outdoors.
- This scene consists of three shots with different camerawork (shot 1, shot 2, and shot 3).
- shots 1 the camera takes a long shot of the target ghost.
- shot 2 the ghost is shot in an up shot.
- shot 3 it is back to the camera position of shot 1 again.
- shots are designed as a single segment of scenes with a continuous atmosphere even though the camerawork is different.
- FIG. 2 is a diagram for explaining another example of a problem due to a change in illumination in a scene.
- a video scene was created with a scene setting of outdoors in the daytime on a sunny day.
- This scene also has the image power obtained by taking a series of camera work without switching cameras.
- an image of the skier sliding down with the upward force of the camera moving toward the camera is captured. Skiers are dressed in red and the sky is clear.
- the blue light changes to strong illumination light power red illumination light.
- the color of the illumination light changes within a single segment of a scene (atmosphere) that is continuous, and on the contrary, the atmosphere of the scene is obstructed and the viewer feels uncomfortable.
- FIG. 3 is a diagram for explaining an example of a problem due to a change in illumination at the time of opening display.
- the example shown in Fig. 3 is a summary video in which a particularly important shot (shot 1, shot 2, shot 3, shot 4) is switched in a short time (several seconds) in the story of a drama program.
- shot 1 Is taken outdoors in the clear sky
- shot 2 is taken in the early morning in the clear sky
- shot 3 is taken outdoors in the cloudy day
- shot 4 is taken in the outdoors setting in the clear sky.
- the video feature quantity of the frames constituting this video is different for each shot, and the illumination light is controlled using the chromaticity and luminance for each frame as in the conventional technique described above. Then, the illumination light changes frequently in a short time in synchronization with the switching of each shot, and on the contrary, the atmosphere of the viewing environment is disturbed and the viewer feels uncomfortable.
- FIG. 4 is a diagram for explaining an example of a problem due to a variation in illumination when displaying a video in which a short shot video is inserted between scenes.
- a shot of a lake at night is inserted for a short time between Scene 1 which also has the ability to set outdoor scenes in sunny days and Scene 2 which also has the ability to set indoor scenes.
- the illumination light is controlled using the chromaticity and brightness for each frame as in the conventional technique described above, the bright illumination light is darkened in accordance with the transition from the scene 1 to the shot. After switching to a large illumination light, immediately re-synchronize with the transition to Scene 2. In other words, the lighting environment is switched to brighter lighting, which disturbs the viewing environment and makes the viewer feel uncomfortable.
- the viewing environment illumination light is switched according to the video feature amount of each frame constituting the shot.
- the viewing environment illumination light corresponding to the video feature quantity of the scene immediately before is maintained and irradiated to the viewing environment space, or a certain illumination light such as white light with a predetermined intensity is applied to the viewing environment space. It may be desirable to irradiate.
- a scene that has been subjected to special video processing such as a reminiscence scene in a drama or a movie program, may be inserted.
- the illumination light is changed according to changes in the luminance and hue of the video signal for each frame to which the video effect is added, which may cause a problem that the viewer feels uncomfortable.
- the viewing environment illumination light is not switched according to the video feature amount of each frame, but according to the video feature amount of the immediately preceding scene. It may be desirable to keep the viewing environment illumination light as it is and irradiate the viewing environment space, or to irradiate the viewing environment space with a certain illumination light such as white light of a predetermined intensity.
- the viewing environment illumination light is not switched according to the image feature amount of each frame, but with a predetermined intensity.
- the viewing environment illumination light is not switched according to the image feature amount of each frame, but with a predetermined intensity.
- the viewing environment space is not switched according to the ability to illuminate the viewing environment space with a certain amount of illumination light such as white light, or the image features of frames including stadium and studio lighting shot in a long shot It is desirable to irradiate the viewing environment space while maintaining the listening environment illumination light as it is.
- the present invention has been made in view of the above problems, and data transmission capable of realizing optimal viewing environment illumination control by appropriately controlling the timing of switching illumination light in the viewing environment.
- An object is to provide a device, a data transmission method, a viewing environment control device, a viewing environment control system, and a viewing environment control method.
- a first invention of the present application is a data transmission device that transmits video data having one or more frame powers.
- the illumination indicates a control type of the viewing environment illumination when each frame of the video data is displayed. Control type information is added to the video data and transmitted.
- the second invention of the present application is characterized in that the illumination control type information is added in units of frames of the video data.
- the third invention of the present application is characterized in that the illumination control type information includes an instruction to switch the viewing environment illumination based on a feature amount in each frame of the video data.
- the fourth invention of the present application is characterized in that the illumination control type information includes an instruction to maintain and control the immediately preceding viewing environment illumination regardless of the feature amount in each frame of the video data.
- the illumination control type information includes an instruction to perform switching control to a predetermined predetermined viewing environment illumination regardless of a feature amount in each frame of the video data. It is characterized by that.
- illumination control type information indicating a control type of viewing environment illumination when displaying each frame constituting video data.
- the lighting control type information is a device for each frame constituting the video data. It is transmitted together with the output start timing of the frame.
- the illumination control type information in the sixth invention includes an instruction to switch and control viewing environment illumination based on a feature amount in each frame of the video data.
- the lighting control type information in the sixth invention is controlled to switch to predetermined predetermined viewing environment lighting regardless of the feature amount in each frame of the video data. It is characterized by including instructions to do.
- a ninth invention of the present application receives video data to be displayed on a display device and lighting control type information indicating a control type of viewing environment lighting when displaying each frame constituting the video data.
- a receiving unit and a control unit that controls illumination light of a lighting device installed around the display device using the feature amount of the video data and the illumination control type information. .
- the tenth invention of the present application is characterized in that the control means switches and controls the illumination light of the illumination device based on the feature amount in each frame of the video data in accordance with the illumination control type information.
- control means maintains and controls the illumination light of the illumination device regardless of the feature amount in each frame of the video data according to the illumination control type information. It is characterized by.
- control means predetermines illumination light of the illumination device according to the illumination control type information regardless of a feature amount in each frame of the video data. Control is performed in a predetermined state.
- a thirteenth aspect of the present invention is a viewing environment control system including the viewing environment control device and a lighting device whose viewing environment illumination light is controlled by the viewing environment control device.
- data for transmitting illumination control type information indicating a control type of viewing environment illumination when displaying each frame constituting video data is displayed.
- a transmission method is characterized in that the illumination control type information is transmitted together with an output start timing of each frame constituting the video data.
- the sixteenth invention of the present application includes video data to be displayed on a display device and lighting control type information indicating a control type of viewing environment lighting when displaying each frame constituting the video data.
- the illumination light of the illumination device installed around the display device is controlled using the feature amount of the video data and the illumination control type information.
- FIG. 1 is a diagram for explaining an example of a problem of illumination variation according to the prior art.
- FIG. 2 is a diagram for explaining another example of the problem of illumination variation according to the prior art.
- FIG. 3 is a diagram for explaining another example of the problem of illumination variation according to the conventional technology.
- FIG. 4 is a diagram for explaining another example of the problem of illumination variation according to the prior art.
- FIG. 5 is a block diagram showing a schematic configuration of a main part of a video transmission device in the viewing environment control system according to the first embodiment of the present invention.
- Fig. 6 is a diagram for explaining a hierarchical structure of moving image code data encoded by MPEG.
- FIG. 7 is an explanatory diagram showing an example of lighting control type information in the viewing environment control system according to the first embodiment of the present invention.
- FIG. 8 is a diagram showing a part of video data including a scene change.
- FIG. 9 is a diagram for explaining the components of a video.
- FIG. 10 is a block diagram showing a schematic configuration of a main part of a video reception device in the viewing environment control system according to the first embodiment of the present invention.
- FIG. 11 shows lighting control data in the viewing environment control system according to the first embodiment of the present invention. It is a flowchart which shows operation
- FIG. 12 is a block diagram showing a schematic configuration of a main part of an external server device in a viewing environment control system according to a second embodiment of the present invention.
- FIG. 13 is an explanatory diagram showing an example of an illumination control type information storage table in the viewing environment control system according to the second embodiment of the present invention.
- FIG. 14 is a block diagram showing a schematic configuration of a main part of a video reception device in a viewing environment control system according to a second embodiment of the present invention.
- the video transmission device (data transmission device) 10 in the present embodiment includes each of video data (V), audio data (A), and illumination control type information (C) supplied as additional data.
- the lighting control type information (C) indicates the control type of the viewing environment lighting when displaying each frame constituting the video data, and here, the viewing environment according to the video feature amount of each frame. Regardless of the power to switch the lighting and the video feature amount of each frame, the previous viewing environment lighting is maintained or controlled, or the predetermined predetermined viewing environment is set regardless of the video feature amount of each frame. It shall indicate the control type for switching control to lighting.
- Figure 6 shows MPEG2 (Moving Picture Experts Group 2) —videos defined by Systems It is explanatory drawing which shows the one part outline of the hierarchical structure in image code key data.
- the encoded data of a sequence composed of a plurality of consecutive pictures includes (a) a sequence layer, (b) a GOP (Group of Pictures) layer, (c) a picture layer, a slice layer, a macroblock layer (not shown) and The block layer (not shown) has a 6-layer hierarchical structure, and the picture layer (c) data starts with picture header information, followed by data (slices) from multiple slice layers.
- a picture header area in which various kinds of predetermined information such as the picture type and the scale of the entire frame are described can be stored.
- a user 'extensions and user data' area that can describe arbitrary optional information is provided.
- lighting control type information is described in this user's data area. To do.
- the lighting control type information corresponding to the frame is described in the lower 2 bits of 8 bits defined as the user's data of each frame.
- the user is added when the video feature amount force shooting scene field (atmosphere) of the frame is estimated and the viewing environment lighting is switched and controlled.
- the data is “00000000”, a user added when instructing to switch to viewing environment lighting (default lighting 1) of the first brightness and color determined in advance, regardless of the video feature value of the frame.
- 'Data is' 00000001', added when instructing to switch to the viewing environment lighting (default lighting 2) of the second brightness and color determined in advance, regardless of the video feature of the frame.
- the user data is “00000010”, and the user data added when instructing to maintain and control the previous viewing environment lighting (no lighting switching) regardless of the video feature of the frame is “00000011”.
- bright white illumination is set as default illumination 1
- dark white illumination is set as default illumination 2.
- the lighting control type information may be described in the user data area of the picture layer (c) described above when the video data is encoded by a predetermined method. Needless to say.
- the lower 2 bits of 8 bits allocated as user's data are used.
- the upper 6 bits of the user data are represented by “0”), and the present invention is not limited to this.
- information that can identify the control type of the viewing environment illumination at the time of displaying each frame may be added to the video data or the audio data. Not exclusively.
- the lighting control type information may be transmitted after being attached to an extension header of a transport stream packet (TSP) defined by MPE G2-Systems.
- TTP transport stream packet
- the lighting control type information is not limited to the above, but may be information of 1 bit or more indicating whether or not to perform lighting control based on at least the video feature amount of the frame. More than 3 types of lighting control types may be expressed by information of 3 bits or more.
- the above-described illumination control type information can be generated based on a scenario (screenplay) at the time of photographing a force image that can be arbitrarily added on the transmission side.
- the first frame of the video shooting scene (first frame after the scene change) 16 estimates the field (atmosphere) of the video feature amount shooting scene of the frame, and the viewing environment illumination is set.
- User data “00000000” to instruct switching control is added, and the other ambient frames 17 to 21 included in the same scene maintain the previous viewing environment illumination regardless of the video feature amount of each frame.
- the switching control of the viewing environment lighting described later is appropriately performed according to the scene change point reflecting the intention of the video producer. It can be carried out.
- the video data making up a continuous moving image sequence can be divided into three layers.
- the first layer (# 1) that composes the video is a frame.
- a frame is a physical layer and refers to a single two-dimensional image. Frames are usually obtained at a rate of 30 frames per second.
- the second layer (# 2) is shot hot).
- a shot is a sequence of frames taken by a single camera.
- the third layer (# 3) is a scene.
- a scene is a series of shots that have a story-like connection.
- the lighting control type information can be added for each frame of video data, and will be described later according to the intention of the video producer (screenwriter, director, etc.).
- the video producer screenwriter, director, etc.
- a video receiving device that receives broadcast data transmitted from the video transmitting device, displays and reproduces video / audio, and controls the viewing environment illumination at that time will be described. To do.
- the video receiving apparatus in the present embodiment receives and demodulates broadcast data (B) input from the transmission path, and performs error correction and a receiving unit 31 and a receiving unit 31.
- the video data and TC (time code) output to the video display device 36, the audio data and TC (time code) output to the audio playback device 37, and the lighting control type information as additional information are separated from the output data of Based on the data separation unit 32 to be extracted, the illumination control type information separated by the data separation unit 32, and the feature quantities of the video data and the audio data, the illumination control data (R, G, B data) is generated and output to the lighting device 38 that illuminates the viewing environment space, and the video data and audio data are delayed by the processing time in the lighting control data generating unit 35 and the lighting control data generating unit 35.
- a delay generator 33, 34 for outputting Te for outputting Te.
- the lighting device 38 can be configured by an LED that is installed around the video display device 36 and emits light of, for example, R, G, and B primary colors having a predetermined hue.
- the lighting device 38 is not limited to the combination of LEDs emitting a predetermined color as described above as long as the lighting color and brightness of the surrounding environment of the video display device 36 can be controlled. It can also be composed of white LEDs and color filters, or a combination of white light bulbs, fluorescent tubes and color filters, or color lamps can be applied. Further, it is sufficient that one or more lighting devices 38 are installed.
- the time code (TC) is information added to indicate the reproduction time information of each of the video data and the audio data.
- the lighting control data generation unit 35 of the present embodiment generates lighting control data (R, G, B data) suitable for displaying each frame according to the lighting control type specified by the lighting control type information. Generate. That is, if the lighting control type information instructs to switch the viewing environment lighting based on the video feature amount Z audio feature amount of each frame, the video data and audio data of the frame Based on the above, the lighting state and scene setting (atmosphere) at the shooting site are estimated, and lighting control data for controlling the lighting device 38 is output according to the estimation result.
- the method for estimating the ambient light state at the time of photographing by the illumination control data generation unit 35 various techniques including known ones can be used. Note that here, the feature value of the audio data is used in addition to the feature value of the video data for the estimation of the place (atmosphere), but this is to improve the estimation accuracy of the place (atmosphere). Yes, it is possible to estimate the scene (atmosphere) of the shooting scene from only the feature values of the video data.
- the color signal and the luminance signal in a predetermined area of the screen can be used as they are.
- the color temperature of light may be obtained and used.
- these may be configured to be switchable and output as feature amounts of video data.
- the feature amount of audio data volume, audio frequency, etc. can be used.
- the illumination control data generation unit 35 can estimate the field (atmosphere) at the time of video shooting, that is, the state of ambient light, based on the feature amounts of the video data and audio data. At the timing specified by the illumination control type information, it is possible to switch to illumination light based on this place (atmosphere) estimation and irradiate the viewing environment space.
- the illumination control data generation unit 35 stores illumination control data corresponding to illumination light having one or more predetermined brightness and color in a storage unit (not shown). If the lighting control type information instructs to switch to predetermined predetermined viewing environment lighting regardless of the video feature value Z audio feature value of each frame, the above-mentioned video shooting time The corresponding illumination control data is read from the storage unit and output without performing the process of estimating the field (atmosphere).
- the illumination control data generation unit 35 is prepared in advance with two types of illumination control data corresponding to default illumination 1 (bright white illumination) and default illumination 2 (dark white illumination). Switch viewing environment lighting to default lighting 1 by lighting control type information Lighting instruction data corresponding to the default lighting 1 is output, and if the lighting control type information is instructed to switch the viewing environment lighting to the default lighting 2, the default lighting 2 is output. Lighting control data corresponding to
- the viewing environment space is illuminated by switching to predetermined illumination light at a timing designated by the illumination control type information regardless of the feature amount of the video data and audio data. It becomes possible to do.
- the lighting control type information instructs to maintain and control the immediately preceding viewing environment lighting (no lighting switching) regardless of the video feature value Z audio feature value of each frame
- the scene (atmosphere) estimation process during video shooting is not performed, and the lighting control data output for the previous frame is output repeatedly.
- the viewing environment illumination light can be held in the same state for an arbitrary period regardless of changes in the feature amounts of the video data and audio data.
- the viewing environment illumination light can be kept substantially the same in the shooting scene (atmosphere), that is, in the same scene where the lighting state does not change.
- the viewing environment illumination control based on the video feature amount Z audio feature amount is inappropriate, for example, it is possible to hold and irradiate a certain amount of white illumination light. Accordingly, it is possible to prevent the viewer from feeling uncomfortable due to inappropriate viewing environment lighting and to realize an optimal viewing environment.
- the video data and audio data output to the video display device 36 and the audio playback device 37 are the delay generation unit 33 for the time required for the field (atmosphere) estimation process using the video data and audio data described above.
- the lighting control data output to the lighting device 38 is also synchronized with the video data and audio data output to the video display device 36 and the audio playback device 37.
- the illumination light of the illumination device 38 can be switched at a timing synchronized with the video display.
- a new frame is also acquired for the input video data power (step S1), and whether or not to switch the viewing environment illumination based on the feature amount of the video data Z audio data of the acquired frame is determined by the type of lighting control.
- Judgment based on information step S 2
- step S 3 Based on the acquired video feature amount Z audio feature amount of the frame, when switching the viewing environment illumination, the video feature amount Z audio feature amount is detected using the video data Z audio data of the frame.
- a field (atmosphere) estimation process is performed (step S3), and illumination control data for controlling the lighting device 38 is generated based on the estimation process result (step S4).
- illumination light switching control is performed by the illumination device 38 (step S5), and it is determined whether or not the post-processing is completed (step S6). If video data continues, return to step S1 to get a new frame.
- step S2 If it is determined in step S2 that switching of the viewing environment illumination is not to be controlled based on the acquired feature value of the video data Z audio data of the frame, whether to switch the viewing environment illumination to the default illumination 1 or not Whether or not is determined based on the lighting control type information (step S7). Regardless of the acquired frame image feature amount Z audio feature amount, when switching the viewing environment illumination to the default illumination 1, the illumination control data corresponding to the default illumination 1 prepared in advance is read (step S8). Based on the illumination control data, illumination light switching control is performed by the illumination device 38 (step S5). Thereafter, it is determined whether or not the processing is completed (step S6). If the video data continues, the process returns to step S1 to obtain a new frame.
- step S7 If it is determined in step S7 that the viewing environment illumination is not controlled to be switched to the default illumination 1, whether or not the viewing environment illumination is switched to the default illumination 2 is determined by the illumination control type. A determination is made based on the information (step S9). Regardless of the acquired frame image feature amount Z audio feature amount, when controlling to switch the viewing environment illumination to the default illumination 2, read the illumination control data corresponding to the default illumination 2 prepared in advance (Step S10) Based on the illumination control data, the illumination device 38 performs illumination light switching control (step S5). Thereafter, it is determined whether or not the processing is completed (step S6). If the video data force S continues, the process returns to step S1 to acquire a new frame.
- step S9 determines whether or not the viewing environment illumination is not controlled to be switched to the default illumination 2, regardless of the video feature amount Z audio feature amount of the acquired frame.
- step S6 it is determined whether or not the process of performing illumination light switching control has been completed.
- the configuration is such that the viewing environment illumination is controlled based on the illumination control type information added to the video data. It is possible to control the switching of the viewing environment illumination at the timing. For example, when the video scene shown in FIGS. 1 and 2 is displayed, the viewing environment illumination according to the video feature amount Z audio feature amount of the scene start frame can be maintained until the scene ends. In other words, the brightness and color of the viewing environment illumination light can be kept substantially constant within the same scene, so that the viewing environment illumination can change drastically within the same scene, and the atmosphere can be impaired if it is realistic. Can be prevented, and an appropriate viewing environment can always be realized.
- the viewing environment lighting is set to the constant white lighting state set as default regardless of the video feature amount Z audio feature amount of each frame. Therefore, it is possible to prevent the viewing environment illumination light from changing drastically in a short time and to give the viewer a sense of incongruity, thereby realizing an appropriate viewing environment.
- the video feature amount Z audio feature amount of each frame constituting the shot is displayed.
- the viewing environment illumination for the previous scene can be maintained as it is, or the viewing environment illumination can be set to a constant white lighting state that is set as default, and the viewing environment illumination light changes dramatically in a short time. This can prevent the viewer from feeling uncomfortable and can realize an appropriate viewing environment.
- the lighting control type information related to the setting scene break position on the story of each scene is transmitted and received, a desired scene can be selected using this lighting control type information.
- various functions such as searching and editing can be realized.
- the illumination control type information may be added to the broadcast data. In this case, it is possible to realize an optimum viewing environment at the time of video reproduction by transmitting / receiving the illumination control type information corresponding to the video data to be displayed from an external server device or the like. This will be described below as a second embodiment of the present invention.
- the external server device (data transmission device) 50 also receives a request for transmission of the illumination control type information related to specific video data (content) on the side of the video reception device (data reception device).
- Receiving unit 51 storing the lighting control type information for each video data (content)! / Reading data storage unit 52, and requesting the video control device (data reception)
- the illumination control type information stored in the data storage unit 52 of the present embodiment includes the output start timing (reproduction start timing) of each video frame to the video display device 36 as shown in FIG. (Hereinafter referred to simply as “start timing”) and is described in a table format, and the lighting control type information of the video data (numbered thread and content) for which a transmission request has been received is used for the frame constituting the video data.
- start timing production start timing
- the transmission unit 53 transmits the request to the requesting video receiver.
- the four (2 bits) illumination control types shown in FIG. 7 are assumed, but here, illumination switching control based on field (atmosphere) estimation is performed.
- the lighting control type is described in the lighting control type information storage table only for the frame to be performed and the frame for which switching to the default lighting 1, 2 is performed, and the lighting control type is described for the frame for which lighting switching is prohibited. Omitted. That is, when displaying a frame not specifically described in the lighting control type information storage table, the previous viewing environment lighting is maintained. As a result, the data capacity of the lighting control type information is greatly reduced.
- a video reception device (data reception device) 60 that receives the illumination control type information sent from the external server device 50 and controls the viewing environment illumination will be described.
- the video receiver 60 in the present embodiment receives and demodulates broadcast data (B) input from the transmission path, and performs error correction and a receiver 61 and a receiver 61
- Data separation unit 62 that separates and extracts the video data output to the video display device 36 and the audio data output to the audio playback device 37 from the output data, and the video data (content) to be displayed
- the transmission unit 67 that transmits the transmission request for the illumination control type information transmitted to the external server device (data transmission device) via the communication network, and the illumination control type information requested for transmission from the external server device via the communication network.
- receiving unit 68 for receiving.
- the lighting control type information received by the receiving unit 68 is temporarily stored, the frame start TC (time code) associated with the lighting control type information, and the video extracted by the data separation unit 62 Compares the TC (time code) of the data, and when they match, the CPU 66 outputs information indicating the corresponding lighting control type information, the lighting control type information from the CPU 66, the video data and the And an illumination control data generation unit 65 that generates illumination control data (G, B data) based on the feature amount of the audio data and outputs the illumination control data to the illumination device 38 that illuminates the viewing environment space.
- the illumination control data generation unit 65 that generates illumination control data (G, B data) based on the feature amount of the audio data and outputs the illumination control data to the illumination device 38 that illuminates the viewing environment space.
- the CPU 66 receives the start time code of each frame of the lighting control type information storage table received from the external server device and stored therein, and the video data input to the lighting control data generation unit 65. The time code is compared, and when they match, the lighting control type information corresponding to the frame (time code) is output to the lighting control data generation unit 65.
- the illumination control data generation unit 65 of the present embodiment is suitable for displaying each frame according to the illumination control type information, similarly to the illumination control data generation unit 35 of the first embodiment described above. Lighting control data (R, G, B data) is generated.
- the video feature amount Z audio feature amount of each frame If it is instructed to switch the viewing environment lighting based on this, the lighting conditions and scene settings (atmosphere) at the shooting site are estimated based on the video data and audio data of the frame, and this estimation is performed. According to the result, lighting control data for controlling the lighting device 38 is output.
- the lighting control type information instructs to switch to predetermined predetermined viewing environment lighting regardless of the video feature amount Z audio feature amount of each frame
- the scene (atmosphere) estimation process at the time of video shooting is not performed, and the illumination control data prepared in advance is read and output.
- the illumination control type information corresponding to the display video data is obtained from the external server device, and this illumination Since the viewing environment lighting is controlled based on the control type information, the viewing environment lighting switching control is performed at an arbitrary timing according to the intention of the video producer, as in the first embodiment described above.
- the lighting control type information related to the set scene break position on the story of each scene is also transmitted and received, a desired scene can be selected using this lighting control type information.
- various functions such as searching and editing can be realized.
- the viewing environment control device, method, and viewing environment control system of the present invention can be realized by various embodiments without departing from the gist of the present invention described above.
- the environmental lighting control device may be configured to control an external lighting device based on various information included in the input video data that may be provided in the video display device.
- the above-mentioned lighting control type information is not limited to the case where it is separated from broadcast data or acquired from an external server device, for example, an external device (DVD player, Blu-ray disc player, etc.)
- the illumination control type information added in the media medium may be read out and used.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Computer Graphics (AREA)
- Biodiversity & Conservation Biology (AREA)
- Environmental Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Security & Cryptography (AREA)
- Ecology (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Library & Information Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07744037A EP2040472A4 (en) | 2006-06-13 | 2007-05-24 | DATA ENTRY DEVICE, DATA END METHOD, DEVICE FOR CONTROLLING THE AUDIOVISUAL ENVIRONMENT, SYSTEM FOR CONTROLLING THE AUDIOVISUAL ENVIRONMENT AND METHOD FOR CONTROLLING THE AUDIOVISUAL ENVIRONMENT |
| JP2008521133A JP4950990B2 (ja) | 2006-06-13 | 2007-05-24 | 映像送信装置及び方法、視聴環境制御装置及び方法 |
| US12/304,457 US20090322955A1 (en) | 2006-06-13 | 2007-05-24 | Data transmitting device, data transmitting method, audio-visual environment control device, audio-visual environment control system, and audio-visual environment control method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006162955 | 2006-06-13 | ||
| JP2006-162955 | 2006-06-13 |
Publications (1)
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| WO2007145064A1 true WO2007145064A1 (ja) | 2007-12-21 |
Family
ID=38831583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/060603 Ceased WO2007145064A1 (ja) | 2006-06-13 | 2007-05-24 | データ送信装置、データ送信方法、視聴環境制御装置、視聴環境制御システム、及び視聴環境制御方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20090322955A1 (ja) |
| EP (1) | EP2040472A4 (ja) |
| JP (1) | JP4950990B2 (ja) |
| CN (1) | CN101467452A (ja) |
| WO (1) | WO2007145064A1 (ja) |
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| JP2010193081A (ja) * | 2009-02-17 | 2010-09-02 | Sharp Corp | コンテンツデータ再生装置 |
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| EP2315441A4 (en) * | 2008-07-15 | 2014-07-16 | Sharp Kk | DATA TRANSMISSION DEVICE, DATA RECEIVING DEVICE, DATA TRANSMISSION METHOD, DATA RECEIVING METHOD AND METHOD FOR CONTROLLING THE AUDIOVISUAL ENVIRONMENT |
| CN115665946A (zh) * | 2022-10-11 | 2023-01-31 | 青岛海尔智能家电科技有限公司 | 用于智能面板的控制方法及装置、智能面板、存储介质 |
| JP2023057754A (ja) * | 2021-10-12 | 2023-04-24 | ヤマハ株式会社 | 映像信号処理方法及び映像信号処理装置 |
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| CN102656950B (zh) * | 2009-12-17 | 2015-06-17 | 皇家飞利浦电子股份有限公司 | 氛围影院照明系统 |
| CN103068095A (zh) * | 2011-10-21 | 2013-04-24 | 扬升照明股份有限公司 | 照明系统及照明系统的控制方法 |
| JP6278741B2 (ja) * | 2014-02-27 | 2018-02-14 | 株式会社キーエンス | 画像測定器 |
| GB2535135B (en) * | 2014-11-20 | 2018-05-30 | Ambx Uk Ltd | Light Control |
| CN105472844A (zh) * | 2015-12-07 | 2016-04-06 | 重庆多邦科技股份有限公司 | 一种路灯控制方法及装置 |
| KR102317619B1 (ko) * | 2016-09-23 | 2021-10-26 | 삼성전자주식회사 | 전자 장치 및 이의 제어 방법 |
| CN106507172B (zh) * | 2016-11-30 | 2019-10-18 | 微鲸科技有限公司 | 信息编码方法、解码方法及装置 |
| WO2019228969A1 (en) * | 2018-06-01 | 2019-12-05 | Signify Holding B.V. | Displaying a virtual dynamic light effect |
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| JP7786120B2 (ja) | 2021-10-12 | 2025-12-16 | ヤマハ株式会社 | 映像信号処理方法及び映像信号処理装置 |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP4950990B2 (ja) | 2012-06-13 |
| EP2040472A4 (en) | 2009-11-11 |
| JPWO2007145064A1 (ja) | 2009-10-29 |
| US20090322955A1 (en) | 2009-12-31 |
| EP2040472A1 (en) | 2009-03-25 |
| CN101467452A (zh) | 2009-06-24 |
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