WO2012144526A1 - 情報表示装置、制御方法、及びプログラム - Google Patents
情報表示装置、制御方法、及びプログラム Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/60—Rotation of whole images or parts thereof
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1694—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
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- 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
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/012—Head tracking input arrangements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
- G06F2200/161—Indexing scheme relating to constructional details of the monitor
- G06F2200/1614—Image rotation following screen orientation, e.g. switching from landscape to portrait mode
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
- G06F2200/163—Indexing scheme relating to constructional details of the computer
- G06F2200/1637—Sensing arrangement for detection of housing movement or orientation, e.g. for controlling scrolling or cursor movement on the display of an handheld computer
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0492—Change of orientation of the displayed image, e.g. upside-down, mirrored
Definitions
- the present invention relates to an information display device, a control method, and a program.
- the present invention relates to an information display device that switches and displays information on a screen according to the orientation of a person's face, a control method for controlling the information display device, and a program for the information display device.
- Smartphones can display various contents such as websites, photos, and documents. Such content is classified into content that is easier to view if it is displayed vertically and content that is easier to view if it is displayed horizontally. For example, when a long text is written on a Web site where the long side direction of a rectangular display is displayed in the vertical direction, the scroll width in the vertical direction increases because the number of characters that can fit in the horizontal width of the display is small. Therefore, when displaying a Web site with a long sentence written, if the font size is reduced, the number of characters that can be accommodated in the horizontal width of the display increases, so that the vertical scrolling is shortened. However, such a method of reducing the font sacrifices visibility.
- the vertical direction of the smartphone body is specified by the direction of gravitational acceleration detected by an acceleration sensor.
- FIG. 4 shows a state where the user U is holding the smartphone 900 in an attempt to visually recognize the long side direction of the rectangular display 940 of the smartphone 900 as the vertical direction.
- the smartphone 900 shown in the balloon of FIG. 4 is in a state viewed from the direction in which the user is viewing the display 940.
- the smartphone 900 receives the gravitational acceleration G in substantially the same direction as the direction of the long side direction of the display 940. Therefore, the smartphone 900 performs screen display with the long side direction H1 of the display 940 as the vertical direction.
- FIG. 5 shows a state in which the user U is holding the smartphone 900 in an attempt to visually recognize the short side direction of the rectangular display 940 of the smartphone 900 as the vertical direction.
- the smartphone 900 shown in the balloon of FIG. 5 is in a state viewed from the direction in which the user is viewing the display 940.
- the smartphone 900 receives the gravitational acceleration G in the same direction as the direction of the short side direction of the display 940. Therefore, the smartphone 900 performs screen display with the short side direction of the display 940 as the vertical direction. That is, when the smartphone 900 is changed from the state shown in FIG. 4 to the state shown in FIG. 5, the display of the display 940 is shortened from the screen display with the long side direction H ⁇ b> 1 of the display 940 in the vertical direction.
- the screen display orientation is switched to the screen display in which the side direction H2 is the vertical direction.
- FIG. 6 shows a state where the user U is lying down while holding the smartphone 900.
- the smartphone 900 receives the gravitational acceleration G in substantially the same direction as the direction of the long side direction of the display 940. Therefore, the smartphone 900 performs screen display with the long side direction of the display 940 as the vertical direction. That is, when the user's posture changes from the state shown in FIG. 5 to the state shown in FIG. 6, the smartphone 900 changes the screen 940 from the screen display with the short side direction H ⁇ b> 2 of the display 940 in the vertical direction.
- the screen display orientation is switched to the screen display in which the side direction H3 is the vertical direction.
- the user can easily visually recognize the information displayed on the screen when the screen is displayed with the same direction E1 as the vertical direction of the neck from the top of the face to the vertical direction of the display 940.
- FIG. 7 shows a state in which the user U places the smartphone 900 on the desk D so as to visually recognize the short side direction of the rectangular display 940 of the smartphone 900 as the vertical direction.
- the smartphone 900 receives the gravitational acceleration G in the same direction as the direction of the short side direction of the display 940. Therefore, immediately before the smartphone 900 is placed on the desk D, the smartphone 900 performs screen display with the short-side direction H4 of the display 940 as the vertical direction. Then, after being placed on the desk D, the smartphone 900 receives a gravitational acceleration G in a direction from the front side to the back side of the display 940. Accordingly, the smartphone 900 is not subject to the gravitational acceleration G in the same direction as the short side or the long side direction of the display 940. Display.
- FIG. 8 shows a state in which the user U is placing the smartphone 900 on the desk D so as to visually recognize the long side direction of the rectangular display 940 of the smartphone 900 as the vertical direction.
- the smartphone 900 receives the gravitational acceleration G in the direction from the front side to the back side of the display 940. Therefore, even if the smartphone 900 changes its orientation from the state shown in FIG. 7 to the state shown in FIG. Screen display is performed with the short side direction H4 as the vertical direction.
- the user can easily view the information displayed on the screen when the screen is displayed with the same direction E2 as the vertical direction of the neck from the top of the face to the vertical direction of the display 940.
- Patent Document 1 and Patent Document 2 disclose portable terminal devices that can solve the above-described problems.
- the mobile terminal device described in Patent Literature 1 captures a user and acquires image information.
- the mobile terminal device recognizes the face structure of the user from the acquired image information and acquires face information.
- the portable terminal device detects the orientation of the casing of the portable terminal device with respect to the user in use based on the acquired user face information.
- the portable terminal device switches display of video content on the display unit based on the detected orientation of the housing.
- the mobile terminal device described in Patent Document 1 appropriately grasps the orientation of the mobile terminal device with respect to the user in use, can switch the screen display without performing a notification operation, and is displayed in real time.
- the screen display can be arbitrarily switched while viewing the video content.
- the screen switching device described in Patent Document 2 photographs a face.
- the screen switching device displays the captured face image on a rectangular display unit.
- the screen switching device determines an axis that uses one of the horizontal side and the vertical side of the display unit as a reference for the display direction.
- the screen switching device authenticates the face displayed on the display unit.
- the screen switching device switches to a screen determined based on the direction in which the axis of the display unit on which the authenticated face is displayed faces.
- the screen switching device performs display including a television image and a television telephone image on the switched screen.
- the screen switching device described in Patent Literature 2 can switch the screen regardless of the state of the mobile phone provided with the display unit by detecting the relative position between the display unit and the user's face. Become. This screen switching device is expected to improve user convenience by performing an appropriate screen display.
- Patent Documents 1 and 2 are techniques for switching the orientation of the screen displayed on the display in accordance with the orientation of the user's face taken by the camera. However, if the techniques described in Patent Documents 1 and 2 are used, the screen display direction can be switched to a direction that is easy for the user to visually recognize. End up. For this reason, it is difficult to say that the techniques described in Patent Documents 1 and 2 are suitable for a portable information terminal such as a smartphone that is required to be driven by a battery for a long time.
- An information display device includes an attitude change amount calculation unit that calculates a change amount of a posture state detected by an attitude detection unit, and an information display device that is calculated by the attitude change amount calculation unit.
- a posture change amount determination unit that determines whether or not the amount of change in posture state is greater than or equal to a threshold value, and the posture change amount determination unit that determines whether or not the amount of change in posture state of the information display device is greater than or equal to a threshold value Is detected, the imaging unit control unit that activates the imaging unit, a face detection unit that detects a human face in an image obtained by imaging by the imaging unit, and the face detection unit detects
- the face direction specifying unit for specifying the vertical direction of the face of the person who has performed the image, the vertical direction of the screen display displayed on the display unit, and the vertical direction of the face of the person specified by the face direction specifying unit are the same
- a display direction determination unit that determines whether or not the direction is displayed, and the display direction display unit When the display direction determination unit determines
- the control method includes a step of calculating a change amount of the posture state detected by the posture detection unit, and a change amount of the posture state of the information display device calculated in the calculation step. Is determined in the step of determining whether or not the change amount of the posture state of the information display device is equal to or greater than the threshold value, Activating the imaging unit, detecting a person's face in an image obtained by the imaging unit, and specifying a vertical direction of the person's face detected in the detecting step Determining whether the vertical direction of the screen display displayed on the display unit is the same as the vertical direction of the face of the person specified in the specifying step; On the screen displayed on the display When the display direction is determined that the orientation of the human face and the vertical direction of the human face are not the same orientation, the vertical orientation of the screen display displayed on the display unit is determined as the human face. And switching to the same orientation as the up and down directions.
- the program according to the third embodiment of the present invention includes an information display device that includes an attitude change amount calculation unit that calculates an amount of change in posture state detected by the posture detection unit, and information calculated by the posture change amount calculation unit.
- a posture change amount determining unit for determining whether or not a change amount of the posture state of the display device is equal to or greater than a threshold value; and the posture change when the change amount of the posture state of the information display device is equal to or greater than the threshold value.
- an imaging unit control unit that activates the imaging unit, a face detection unit that detects a human face in an image obtained by the imaging unit, and the face detection Direction identifying unit that identifies the vertical direction of the person's face detected by the unit, the vertical direction of the screen display displayed on the display unit, and the vertical direction of the person's face identified by the face direction identifying unit Display direction determination unit for determining whether or not the same direction, and the display
- the display direction determination unit determines that the vertical direction of the screen display displayed on the screen is not the same as the vertical direction of the human face
- the vertical direction of the screen display displayed on the display unit It functions as a display direction switching unit that switches the direction to the same direction as the vertical direction of the human face.
- the present invention uses the power consumption of the information display device having the function of switching the screen display direction according to the vertical direction of the person's face when the technology of the related technology is used. In comparison, it can be greatly reduced.
- FIG. 1 It is a figure which shows an example of the hardware constitutions of the smart phone concerning embodiment of this invention. It is a figure which shows an example of the block configuration of CPU shown in FIG. It is a figure which shows an example of the operation
- FIG. 1 shows an example of a hardware configuration of a smartphone 100 according to an embodiment of the present invention.
- the smartphone 100 is a mobile phone having the functions of a personal mobile computer. More specifically, the smartphone 100 is a device in which a mobile phone and a communication function are integrated into a related-art portable information terminal.
- the smartphone 100 according to the present embodiment has a function of switching and displaying the screen display direction of information according to the direction of the person's face.
- the smartphone 100 may be an example of an “information display device” in this embodiment.
- the smartphone 100 includes a CPU (Central Processing Unit) 110, a digital camera 130, an acceleration sensor 140, a geomagnetic sensor 150, a memory 160, and a touch screen 170.
- CPU Central Processing Unit
- the CPU 110 is one of the components that make up the smartphone 100.
- the CPU 110 is a device that controls the digital camera 130, the acceleration sensor 140, the geomagnetic sensor 150, the memory 160, and the touch screen 170, calculates data, and processes the data. More specifically, the CPU 110 is a device that executes a program stored in the memory 160.
- the CPU 110 receives data from the digital camera 130, the acceleration sensor 140, the geomagnetic sensor 150, the memory 160, and the touch screen 170, calculates and processes the data, and outputs the data to the memory 160 and the touch screen 170.
- the CPU 110 may be an example of a “control unit” in this embodiment.
- the digital camera 130 is a device that converts an image into an electric signal using a semiconductor element that reacts to light, such as a CCD (Charge Coupled Devices) or a CMOS (Complementary Metal Oxide Semiconductor), and stores it in the memory 160 as digital data.
- a semiconductor element that reacts to light such as a CCD (Charge Coupled Devices) or a CMOS (Complementary Metal Oxide Semiconductor), and stores it in the memory 160 as digital data.
- the digital camera 130 may be an example of an “imaging unit” in this embodiment.
- the acceleration sensor 140 is a device that is used to detect the direction of gravity acceleration and measure the vertical rotation angle of the smartphone 100.
- the geomagnetic sensor 150 is a device used to detect the direction of geomagnetism and calculate the horizontal rotation angle of the smartphone 100.
- the acceleration sensor 140 and the geomagnetic sensor 150 may be an example of a “posture detection unit” in this embodiment.
- the memory 160 is a device that stores data and programs in the smartphone 100.
- the touch screen 170 may be an example of a “display unit” in this embodiment.
- the touch screen 170 is a display on which the smartphone 100 can be operated by touching the screen with a finger or a dedicated pen.
- the smartphone 100 includes one CPU 110 for the purpose of preventing the description from becoming complicated.
- the smartphone 100 may include a plurality of CPUs 110.
- FIG. 2 shows an example of the block configuration of the CPU 110.
- the CPU 110 includes a posture change amount calculation unit 113, a posture change amount determination unit 114, an imaging unit control unit 115, a face detection unit 117, a face direction identification unit 118, a display direction determination unit 119, and a display direction switching unit 120.
- the posture change amount calculation unit 113 calculates the change amount of the direction of gravity acceleration. Further, the posture change amount calculation unit 113 calculates the change amount of the geomagnetic direction. For example, the posture change amount calculation unit 113 calculates the amount of change in the direction of gravity acceleration based on data received over time from the acceleration sensor 140. Further, for example, the posture change amount calculation unit 113 calculates the change amount of the geomagnetism direction based on data received over time from the geomagnetic sensor 150.
- the direction of gravitational acceleration and the direction of geomagnetism may be an example of the “posture state” in this embodiment.
- the posture change amount determination unit 114 determines whether or not the change amount of the direction of gravitational acceleration is equal to or greater than a threshold value. In addition, the posture change amount determination unit 114 determines whether or not the change amount of the geomagnetic direction is equal to or greater than a threshold value. For example, the posture change amount determination unit 114 determines whether or not the amount of change in the direction of gravity acceleration calculated by the posture change amount calculation unit 113 is equal to or greater than a threshold value. Further, for example, the posture change amount determination unit 114 determines whether or not the change amount of the geomagnetism direction calculated by the posture change amount calculation unit 113 is a threshold value.
- the posture change amount determination unit 114 after the amount of change in the direction of gravitational acceleration calculated by the posture change amount calculation unit 113 becomes equal to or greater than a threshold value, the transition of the change amount falls below a predetermined range. In this case, it is determined that the amount of change in the direction of gravity acceleration calculated by the posture change amount calculation unit 113 is greater than or equal to a threshold value.
- the posture change amount determination unit 114 has a change in the change amount that is equal to or less than a predetermined range after the change amount of the geomagnetic direction calculated by the posture change amount calculation unit 113 is equal to or greater than a threshold value. In this case, it is determined that the change amount of the geomagnetic direction calculated by the posture change amount calculation unit 113 is equal to or greater than the threshold value.
- the imaging unit control unit 115 activates the digital camera 130 when the direction of gravitational acceleration changes. Further, the imaging unit control unit 115 activates the digital camera 130 when the direction of geomagnetism changes. For example, the imaging unit control unit 115 activates the digital camera 130 when the posture change amount determination unit 114 determines that the amount of change in the direction of gravitational acceleration is equal to or greater than a threshold value. For example, the imaging unit control unit 115 activates the digital camera 130 when the posture change amount determination unit 114 determines that the amount of change in the direction of geomagnetism is equal to or greater than a threshold value.
- the face detection unit 117 detects the face of a person shown in the image obtained by the digital camera 130. For example, the face detection unit 117 detects the face of a person shown in the image indicated by the imaging data received from the digital camera 130.
- the face direction identification unit 118 identifies the vertical direction of the person's face. For example, the face direction identification unit 118 identifies the vertical direction of the human face detected by the face detection unit 117.
- the vertical direction of the human face is the vertical direction when the top of the head is up and the chin is down. Therefore, as shown in FIG. 6, even when the person is lying down, the vertical direction of the human face is specified as the vertical direction when the top of the head is up and the chin is down.
- the display direction determination unit 119 determines whether the vertical direction of the screen display displayed on the touch screen 170 is the same as the vertical direction of the human face. In other words, the display direction determination unit 119 determines whether the vertical direction of the screen display displayed on the touch screen 170 is different from the vertical direction of the human face. For example, the display direction determination unit 119 determines whether the vertical direction of the screen display displayed on the touch screen 170 is the same as the vertical direction of the face of the person specified by the face direction specification unit 118. judge.
- the display direction switching unit 120 switches the vertical direction of the screen display displayed on the touch screen 170 to the same direction as the vertical direction of the human face. For example, when the display direction determination unit 119 determines that the vertical direction of the screen display displayed on the touch screen 170 is not the same as the vertical direction of the human face, The vertical direction of the screen display displayed on the touch screen 170 is switched to the same direction as the vertical direction of the human face. In other words, when the display direction determining unit 119 determines that the vertical direction of the screen display displayed on the touch screen 170 is different from the vertical direction of the human face, The vertical direction of the screen display displayed on the touch screen 170 is switched to the same direction as the vertical direction of the human face.
- FIG. 3 shows an example of the operation flow of the CPU 110. This operation flow refers to both FIG. 1 and FIG.
- the acceleration sensor 140 outputs data indicating the direction of gravity acceleration to the CPU 110 over time. Further, the geomagnetic sensor 150 outputs data indicating the direction of geomagnetism to the CPU 110 over time.
- the posture change amount calculation unit 113 of the CPU 110 sequentially receives data indicating the direction of gravity acceleration from the acceleration sensor 140 (S101), the posture change amount calculation unit 113 calculates a change amount of the direction of gravity acceleration based on the data (S102). Then, the posture change amount calculation unit 113 sends data indicating the calculated change amount of the direction of gravity acceleration to the posture change amount determination unit 114.
- the posture change amount calculation unit 113 sequentially receives data indicating the direction of geomagnetism from the geomagnetic sensor 150 (S101), the change amount of geomagnetic direction is calculated based on the data (S102). Then, the posture change amount calculation unit 113 sends data indicating the calculated change amount of the geomagnetism direction to the posture change amount determination unit 114.
- posture change amount determination unit 114 of CPU 110 receives data indicating the change amount of the direction of gravity acceleration from posture change amount calculation unit 113, whether or not the change amount of the direction of gravity acceleration is greater than or equal to a threshold value. Is determined (S103). In that case, after the amount of change in the direction of gravitational acceleration calculated by the posture change amount calculation unit 113 becomes equal to or greater than the threshold value, the posture change amount determination unit 114 becomes less than a predetermined range. In this case, it may be determined that the amount of change in the direction of gravity acceleration calculated by the posture change amount calculation unit 113 has changed by a threshold value or more.
- the posture change amount determination unit 114 determines whether or not the change amount of the geomagnetism direction is equal to or greater than a threshold value. Determine (S103). In that case, the posture change amount determination unit 114, when the change amount of the geomagnetism direction calculated by the posture change amount calculation unit 113 becomes equal to or greater than a threshold value, and then the change amount of the change becomes a predetermined range or less. In addition, it may be determined that the amount of change in the geomagnetic direction calculated by the posture change amount calculation unit 113 is equal to or greater than a threshold value.
- the CPU 110 repeats the processing from step S101 to step S103.
- the imaging unit control unit 115 of the CPU 110 activates the digital camera 130 (S104). ).
- the imaging unit control unit 115 of the CPU 110 activates the digital camera 130 (S104).
- the digital camera 130 is activated and outputs image data obtained by being imaged by an imaging element such as a CCD or CMOS to the CPU 110.
- an imaging element such as a CCD or CMOS
- the face detection unit 117 of the CPU 110 receives the image data from the digital camera 130 (S105), the face detection unit 117 detects the face of the person shown in the image indicated by the image data (S106).
- the face detection unit 117 detects the face of a person in the image (S106: Yes)
- the face detection unit 117 sends data indicating the position of the detected person's face image to the face direction identification unit 118.
- the face detection unit 117 does not perform any processing when the face of a person shown in the image is not detected (S106: No).
- the face direction specifying unit 118 of the CPU 110 receives data indicating the position in the detected human face image from the face detecting unit 117
- the face direction specifying unit 118 specifies the vertical direction of the human face (S107).
- the face direction identification unit 118 sends data indicating the vertical direction of the identified person's face to the display direction determination unit 119.
- the display direction determination unit 119 of the CPU 110 receives data indicating the vertical orientation of the person's face from the face direction specifying unit 118, the vertical orientation of the person's face indicated by the data is displayed on the touch screen 170. It is determined whether or not the vertical direction of the screen display is the same (S108). Then, the display direction determination unit 119 sends data indicating the determination result to the display direction switching unit 120.
- the display direction switching unit 120 of the CPU 110 receives data indicating the determination result from the display direction determination unit 119.
- the display direction switching unit 120 indicates that the determination result indicated by the data is a determination result that the vertical direction of the human face and the vertical direction of the screen display displayed on the touch screen 170 are not the same direction. If there is (S108: No), the vertical direction of the screen display displayed on the touch screen 170 is switched to the same direction as the vertical direction of the human face (S109).
- the display direction switching unit 120 determines that the determination result indicated by the data received from the display direction determination unit 119 indicates the vertical orientation of the human face and the vertical orientation of the screen display displayed on the touch screen 170. If the determination results indicate that they are in the same direction (S108: Yes), no processing is performed.
- the smartphone 100 starts imaging by activating the digital camera 130 after the horizontal or vertical rotation angle of the smartphone 100 main body changes beyond the threshold value. Then, the smartphone 100 switches the screen display direction so that the vertical direction of the face of the person shown in the image obtained by imaging is the same as the vertical direction of the screen display of the touch screen 170. .
- the power consumption of the information display device having a function of switching the screen display direction according to the vertical direction of the human face is compared with the case of using the technology of the related technology, It can be greatly reduced.
- the program provided to the smartphone 100 may be installed in the memory 160 via a network and executed by the CPU 110, for example.
- a program installed in the memory 160 and executed by the CPU 110 includes a posture change amount calculation unit 113, a posture change amount determination unit 114, an imaging unit control unit 115, a face detection unit 117, a face direction specification unit 118, and a display direction determination unit. 119 and the display direction switching unit 120.
- the program provided to the smartphone 100 may be provided to the smartphone 100 via a network from a storage device such as a hard disk or a RAM (Random Access Memory) provided in a server system connected to a dedicated communication network or the Internet.
- a storage device such as a hard disk or a RAM (Random Access Memory) provided in a server system connected to a dedicated communication network or the Internet.
- the program provided to the smartphone 100 includes an optical recording medium such as a flexible disk, a CD-ROM (Compact Disk Read Only Memory), a DVD (Digital Versatile Disk), and a PD (Phase-Change Dual), a tape medium, and an IC (Integrated Citric ) It may be stored in an external storage medium such as a semiconductor memory such as a card.
- an optical recording medium such as a flexible disk, a CD-ROM (Compact Disk Read Only Memory), a DVD (Digital Versatile Disk), and a PD (Phase-Change Dual)
- a tape medium such as a tape
- an IC Integrated Citric
- the information display device may be a portable game device or a notebook computer.
- the display device may be a liquid crystal display or the like.
- the posture change amount calculation unit 113 the posture change amount determination unit 114, the imaging unit control unit 115, the face detection unit 117, the face direction identification unit 118, the display direction determination unit 119, and the display direction switching unit 120 are used.
- the CPU 110 functions the present invention is not limited to this case.
- a GPU Graphics Processing Unit
- DSP Digital Signal Processor
- the present invention can be applied to an information display device, a control method for controlling the information display device, and a program for the information display device.
- Smartphone 110 CPU 113 posture change calculation unit 114 posture change determination unit 115 imaging unit control unit 117 face detection unit 118 face direction identification unit 119 display direction determination unit 120 display direction switching unit 130 digital camera 140 acceleration sensor 150 geomagnetic sensor 160 memory 170 touch screen
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Abstract
Description
110 CPU
113 姿勢変化量算出部
114 姿勢変化量判定部
115 撮像部制御部
117 顔検出部
118 顔方向特定部
119 表示方向判定部
120 表示方向切替部
130 デジタルカメラ
140 加速度センサー
150 地磁気センサー
160 メモリ
170 タッチスクリーン
Claims (4)
- 姿勢検出部が検出した姿勢の状態の変化量を算出する姿勢変化量算出部と、
前記姿勢変化量算出部が算出した情報表示装置の姿勢の状態の変化量がしきい値以上であるか否かを判定する姿勢変化量判定部と、
情報表示装置の姿勢の状態の変化量がしきい値以上であると前記姿勢変化量判定部が判定した場合に、前記撮像部を起動させる撮像部制御部と、
前記撮像部が撮像して得られた画像に写っている人の顔を検出する顔検出部と、
前記顔検出部が検出した人の顔の上下の向きを特定する顔方向特定部と、
表示部に表示されている画面表示の上下の向きと、前記顔方向特定部が特定した人の顔の上下の向きとが同じ向きであるか否かを判定する表示方向判定部と、
前記表示部に表示されている画面表示の上下の向きと、人の顔の上下の向きとが同じ向きではないと前記表示方向判定部が判定した場合に、表示部に表示されている画面表示の上下の向きを、人の顔の上下の向きと同じ向きに切替える表示方向切替部と
を備える情報表示装置。 - 前記姿勢変化量判定部は、前記姿勢変化量算出部が算出した姿勢の状態の変化量がしきい値以上となった後に、前記変化量の推移が所定の範囲以下となった場合に、前記姿勢変化量算出部が算出した姿勢の状態の変化量がしきい値以上であると判定する
請求項1に記載の情報表示装置。 - 姿勢検出部が検出した姿勢の状態の変化量を算出する段階と、
前記算出する段階において算出された情報表示装置の姿勢の状態の変化量がしきい値以上であるか否かを判定する段階と、
情報表示装置の姿勢の状態の変化量がしきい値以上であると前記姿勢の変化量を判定する段階において判定された場合に、前記撮像部を起動させる段階と、
前記撮像部が撮像して得られた画像に写っている人の顔を検出する段階と、
前記検出する段階において検出された人の顔の上下の向きを特定する段階と、
表示部に表示されている画面表示の上下の向きと、前記特定する段階において特定された人の顔の上下の向きとが同じ向きであるか否かを判定する段階と、
前記表示部に表示されている画面表示の上下の向きと、人の顔の上下の向きとが同じ向きではないと前記表示方向を判定する段階において判定された場合に、表示部に表示されている画面表示の上下の向きを、人の顔の上下の向きと同じ向きに切替える段階と
を備える制御方法。 - 情報表示装置を、
姿勢検出部が検出した姿勢の状態の変化量を算出する姿勢変化量算出部と、
前記姿勢変化量算出部が算出した情報表示装置の姿勢の状態の変化量がしきい値以上であるか否かを判定する姿勢変化量判定部と、
情報表示装置の姿勢の状態の変化量がしきい値以上であると前記姿勢変化量判定部が判定した場合に、前記撮像部を起動させる撮像部制御部と、
前記撮像部が撮像して得られた画像に写っている人の顔を検出する顔検出部と、
前記顔検出部が検出した人の顔の上下の向きを特定する顔方向特定部と、
表示部に表示されている画面表示の上下の向きと、前記顔方向特定部が特定した人の顔の上下の向きとが同じ向きであるか否かを判定する表示方向判定部と、
前記表示部に表示されている画面表示の上下の向きと、人の顔の上下の向きとが同じ向きではないと前記表示方向判定部が判定した場合に、表示部に表示されている画面表示の上下の向きを、人の顔の上下の向きと同じ向きに切替える表示方向切替部
として機能させるプログラム。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12774769.9A EP2701046A4 (en) | 2011-04-20 | 2012-04-18 | DISPLAY CONTROL DEVICE, METHOD AND PROGRAM |
| JP2013511022A JPWO2012144526A1 (ja) | 2011-04-20 | 2012-04-18 | 情報表示装置、制御方法、及びプログラム |
| US14/112,025 US20140043231A1 (en) | 2011-04-20 | 2012-04-18 | Information display device, control method, and program |
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|---|---|---|---|
| JP2011-093811 | 2011-04-20 | ||
| JP2011093811 | 2011-04-20 |
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| WO2012144526A1 true WO2012144526A1 (ja) | 2012-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2012/060479 Ceased WO2012144526A1 (ja) | 2011-04-20 | 2012-04-18 | 情報表示装置、制御方法、及びプログラム |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20140043231A1 (ja) |
| EP (1) | EP2701046A4 (ja) |
| JP (1) | JPWO2012144526A1 (ja) |
| WO (1) | WO2012144526A1 (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2012144526A1 (ja) | 2014-07-28 |
| EP2701046A4 (en) | 2014-10-29 |
| US20140043231A1 (en) | 2014-02-13 |
| EP2701046A1 (en) | 2014-02-26 |
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