WO2015125364A1 - Appareil électronique et procédé de fourniture d'image - Google Patents

Appareil électronique et procédé de fourniture d'image Download PDF

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Publication number
WO2015125364A1
WO2015125364A1 PCT/JP2014/080546 JP2014080546W WO2015125364A1 WO 2015125364 A1 WO2015125364 A1 WO 2015125364A1 JP 2014080546 W JP2014080546 W JP 2014080546W WO 2015125364 A1 WO2015125364 A1 WO 2015125364A1
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WO
WIPO (PCT)
Prior art keywords
sensor
user
setting information
unit
control unit
Prior art date
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PCT/JP2014/080546
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English (en)
Japanese (ja)
Inventor
博隆 石川
武川　洋
岩津　健
角野　徹
翼 塚原
Original Assignee
ソニー株式会社
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Publication of WO2015125364A1 publication Critical patent/WO2015125364A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0179—Display position adjusting means not related to the information to be displayed
    • G02B2027/0187—Display position adjusting means not related to the information to be displayed slaved to motion of at least a part of the body of the user, e.g. head, eye
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user

Definitions

  • the present disclosure relates to an electronic device and an image providing method.
  • HMD head mounted display
  • an image real image
  • a type of HMD has also been developed in which an image (virtual image) is perceived by guiding image display light to an observer's eye using an optical system.
  • Patent Literature 1 describes a technique for realizing an HMD capable of guiding image display light from a lateral direction with respect to an observer's eye and allowing it to enter the eye.
  • Patent Document 2 proposes a technique for generating a given command based on detection data of at least one of HMD impact and displacement.
  • a sensor data acquisition unit that acquires data including a detection value of a sensor included in a device worn or carried by a user, and an abnormality that has occurred in the user when a predetermined pattern appears in the detection value
  • a state detection unit for detecting a state and a light source of a wearable optical device that emits light for causing the user to perceive an image superimposed in real space, and the brightness of the light when the abnormal state is detected
  • an electronic device including a control unit that minimizes.
  • a device that is worn or carried by a user and includes a sensor, a light source that emits light for causing the user to perceive an image superimposed in real space, and data including a detection value of the sensor
  • a sensor data acquisition unit for acquiring a state, a state detection unit for detecting an abnormal state occurring in the user when a predetermined pattern appears in the detection value, and a minimum luminance of the light when the abnormal state is detected
  • a wearable optical device having a control unit to be provided.
  • a detection value of a sensor included in an apparatus worn or carried by a user is acquired, and an abnormal state that has occurred in the user is detected when a predetermined pattern appears in the detection value.
  • a method for providing an image wherein the wearable optical device minimizes the brightness of light for allowing the user to perceive an image superimposed in real space when the abnormal state is detected.
  • An abnormal state that has occurred to the user can be detected based on a predetermined pattern that appears in a detection value of a sensor provided in a device that is worn or carried by the user.
  • the abnormal state is detected, by minimizing the brightness of the light for allowing the user to perceive the image superimposed on the real space, the user who has encountered the abnormal state fully recognizes the surrounding real space, It is possible to support taking actions to appropriately cope with abnormal conditions.
  • an appropriate operation for supporting the user can be executed.
  • FIG. 6 is a sequence diagram illustrating a first example of processing related to state detection and luminance control according to an embodiment of the present disclosure.
  • FIG. 12 is a sequence diagram illustrating a second example of processing related to state detection and luminance control according to an embodiment of the present disclosure.
  • FIG. 12 is a sequence diagram illustrating a third example of processing related to state detection and luminance control according to an embodiment of the present disclosure.
  • FIG. 12 is a sequence diagram illustrating a fourth example of processing related to state detection and luminance control according to an embodiment of the present disclosure.
  • FIG. FIG. 3 is a block diagram illustrating a hardware configuration example of an electronic device according to an embodiment of the present disclosure.
  • FIG. 1 is a diagram illustrating a schematic configuration of a system according to an embodiment of the present disclosure.
  • FIG. 2 is a block diagram showing a schematic functional configuration of the system shown in FIG.
  • the system 10 includes a head mounted display (HMD) 100, a smartphone 200, a server 300, and a watch 400.
  • HMD head mounted display
  • smartphone 200 a smartphone
  • server 300 a server
  • watch 400 a watch
  • the HMD 100 includes a display unit 110 and a control unit 160.
  • the display unit 110 has, for example, a glasses-type housing, and is attached to the head of the user (observer).
  • the control unit 160 is connected to the display unit 110 with a cable.
  • the display unit 110 includes a light source 112 and a light guide plate 114 as shown in FIG.
  • the light source 112 emits image display light according to the control of the control unit 160.
  • the light guide plate 114 guides the image display light incident from the light source 112 and emits the image display light at a position corresponding to the user's eyes.
  • Light that enters from the real space and passes through the light guide plate 114 and image display light guided from the light source 112 by the light guide plate 114 enter the user's eyes. Accordingly, the user wearing the display unit 110 can perceive an image superimposed on the real space.
  • a technique described in Japanese Patent No. 4777285 described above may be used.
  • the display unit 110 may further include an optical system (not shown) for such a configuration.
  • the display unit 110 may include a motion sensor 116, an illuminance sensor 118, and / or a camera 120, as shown in FIG.
  • the motion sensor 116 includes, for example, a 3-axis acceleration sensor, a 3-axis gyro sensor, and a 3-axis geomagnetic sensor. Based on the acceleration, angular velocity, and direction of the display unit 110 detected by these sensors, the posture and movement (displacement and rotation) of the display unit 110 can be specified.
  • the illuminance sensor 118 detects the illuminance of light incident on the display unit 110.
  • the camera 120 captures an image of real space. An image photographed by the camera 120 is treated as an image corresponding to the user's field of view in real space, for example.
  • the control unit 160 includes a processor 162, a memory 164, a communication device 166, an input key 168, a touch sensor 170, a microphone 172, a speaker 174, an acceleration sensor 176, a cable insertion / extraction sensor 178, and a battery 180. Is provided.
  • the processor 162 implements various functions by operating in accordance with programs stored in the memory 164. Functions such as a state detection unit and a control unit to be described later are realized by the processor 162, for example.
  • the processor 162 transmits a control signal to the display unit 110 by wired communication via a cable, and provides a power source for the light source 112 and the motion sensor 116. Further, the processor 162 acquires data output from the motion sensor 116 and the camera 120 provided in the display unit 110, and executes processing based on these data.
  • the memory 164 stores various data for the operation of the processor 162.
  • the memory 164 stores programs for the processor 162 to realize various functions.
  • the memory 164 temporarily stores data output from the motion sensor 116 of the display unit 110 and the camera 120.
  • the communication device 166 performs wireless communication with the smartphone 200.
  • wireless communication for example, Bluetooth (registered trademark) or Wi-Fi is used.
  • the input keys 168 include, for example, a return key, a PTT (Push to Talk) key, and the like, and acquire user operations on the HMD 100.
  • the touch sensor 170 acquires a user operation on the HMD 100. More specifically, for example, the touch sensor 170 acquires a user's operation such as a tap or a swipe.
  • the microphone 172 converts the sound into an audio signal and provides it to the processor 162.
  • the speaker 174 outputs sound according to the control of the processor 162.
  • the acceleration sensor 176 is a triaxial acceleration sensor, for example, and detects the acceleration of the control unit 160.
  • the cable insertion / extraction sensor 178 is a sensor that detects a connection state of a cable that connects the control unit 160 and the display unit 110.
  • the cable insertion / extraction sensor 178 includes, for example, a state where the cable is completely connected, a state where the cable is incompletely connected (a state where the connection is not completely connected but the connection is maintained), and a cable is connected. It may be possible to detect a state that is not.
  • the battery 180 supplies power to the entire control unit 160 and the display unit 110.
  • the processor 162 In the HMD 100, the processor 162, the microphone 172, the speaker 174, the battery 180, and the like are mounted on the control unit 160, and the display unit 110 and the control unit 160 are separated and connected by a cable, thereby reducing the size of the display unit 110. And we are trying to reduce weight. Since the control unit 160 is also carried by the user, it is desirable to make it as small and light as possible. Therefore, for example, the functions realized by the processor 162 are set to the minimum functions for controlling the display unit 110, and the other functions are realized by the smartphone 200, whereby the battery 180 and the power consumption of the processor 162 are reduced. The entire control unit 160 may be downsized.
  • the smartphone 200 includes a processor 202, a memory 204, communication devices 206 and 208, a sensor 210, a display 212, a touch panel 214, a GPS (Global Positioning System) receiver 216, a microphone 218, a speaker 220, A battery 222.
  • the processor 202 implements various functions by operating in accordance with a program stored in the memory 204. As described above, when the processor 202 realizes various functions in cooperation with the processor 162 included in the control unit 160 of the HMD 100, the control unit 160 can be reduced in size and weight.
  • the memory 204 stores various data for the operation of the smartphone 200. For example, the memory 204 stores programs for the processor 202 to realize various functions.
  • the memory 204 temporarily or continuously stores data acquired by the sensor 210 and the GPS receiver 216 and data transmitted to and received from the HMD 100.
  • the communication device 206 performs wireless communication using Bluetooth (registered trademark) or Wi-Fi between the communication device 166 included in the control unit 160 of the HMD 100 and the communication device 406 included in the watch 400.
  • the communication device 208 performs network communication with the server 300. Network communication may be performed via a mobile phone network, for example.
  • the sensor 210 includes, for example, an acceleration sensor, an angular velocity sensor, a geomagnetic sensor, or an illuminance sensor, and detects various states of the smartphone 200.
  • the display 212 displays various images according to the control of the processor 202.
  • the touch panel 214 is disposed on the display 212 and acquires a user's touch operation on the display 212.
  • the GPS receiver 216 receives a GPS signal for measuring the latitude, longitude, and altitude of the smartphone 200.
  • the microphone 218 converts the sound into an audio signal and provides it to the processor 202.
  • the speaker 220 outputs sound according to the control of the processor 202.
  • the battery 222 supplies power to the entire smartphone 200.
  • the server 300 includes a processor 302, a memory 304, and a communication device 306.
  • the server 300 is realized by, for example, a plurality of server devices cooperating on a network, but here, it is described as a virtual single device for the sake of simplicity.
  • the processor 302 implements various functions by operating in accordance with programs stored in the memory 304.
  • the processor 302 of the server 300 executes various types of information processing in response to requests received from the smartphone 200 and transmits the results to the smartphone 200.
  • the memory 304 stores various data for the operation of the server 300.
  • the memory 304 stores programs for the processor 302 to realize various functions.
  • the memory 304 may further store data uploaded from the smartphone 200 temporarily or continuously.
  • the communication device 306 executes network communication with the smartphone 200 via, for example, a mobile phone network.
  • the watch 400 includes a processor 402, a memory 404, a communication device 406, a sensor 408, a display 410, a touch panel 412, and a battery 414.
  • the watch 400 is an example of another wearable device worn by the user of the HMD 100.
  • the system 10 may include a wearable device that is worn on other parts of the user's body instead of or in conjunction with the watch 400. Further, when the detection value of the sensor of the watch 400 is not used in the state detection process described later, the system 10 does not necessarily include a wearable device other than the HMD 100 such as the watch 400.
  • the processor 402 implements various functions by operating in accordance with a program stored in the memory 404.
  • the processor 402 transmits, for example, a user operation acquired via the touch panel 412 to the smartphone 200 using the communication device 406, and receives a result of processing performed by the smartphone 200 based on the user operation.
  • the control to display on the display 410 is executed.
  • the watch 400 may operate in cooperation with the HMD 100, and the processor 402 may transmit a user operation for operating the HMD 100 acquired via the touch panel 412 to the smartphone 200 via the communication device 406.
  • the communication device 406 performs wireless communication with the communication device 206 included in the smartphone 200 using Bluetooth (registered trademark) or Wi-Fi. Note that the communication device 406 may be able to directly communicate with the communication device 166 included in the control unit 160 of the HMD 100.
  • Sensor 408 includes, for example, an acceleration sensor, an angular velocity sensor, a geomagnetic sensor, or an illuminance sensor, and detects various states of watch 400.
  • the display 410 displays various images according to the control of the processor 402.
  • the touch panel 412 is disposed on the display 410 and acquires a user's touch operation on the display 410.
  • the battery 414 supplies power to the entire watch 400.
  • the HMD 100 is an example of an electronic device that includes a wearable optical device (display unit 110).
  • the HMD 100 perceives an image by guiding the image display light to the viewer's eyes using the light guide plate 114. Therefore, although the term “display” is used, the HMD 100 does not necessarily form an image on the display surface.
  • an HMD of a type that forms an image on the display surface instead of the HMD 100 may be used.
  • the HMD 100 does not necessarily have to be separated into the display unit 110 and the control unit 160.
  • the entire configuration of the HMD 100 described above is integrated in a glasses-type housing such as the display unit 110. May be.
  • at least a part of the function for controlling the HMD 100 may be realized by the smartphone 200.
  • the display unit 110 may also include a processor, and information processing in the HMD 100 may be realized by cooperation between the processor 162 of the control unit 160 and the processor of the display unit 110.
  • the system 10 does not include the smartphone 200, and communication may be directly performed between the HMD 100, the watch 400, and / or the server 300.
  • the smartphone 200 is replaced with another device capable of executing communication with the HMD 100, the server 300, and / or the watch 400, such as a tablet terminal, a personal computer, or a portable game machine. May be.
  • the system 10 does not necessarily include the watch 400.
  • FIG. 3 is a diagram illustrating an example of a processing sequence in the system according to an embodiment of the present disclosure.
  • a user operation is input via the touch panel 412 on the watch 400 (S101).
  • the processor 402 transmits information indicating the content of the user operation to the smartphone 200 via the communication device 406 (S103).
  • the processor 202 determines the content of the next image to be displayed based on the information received from the watch 400 via the communication device 206 (S105).
  • the processor 202 may communicate with the server 300 via the communication device 208 to acquire information necessary for an image to be displayed next.
  • the processor 202 transmits information necessary for an image to be displayed next, such as an icon and text, to the HMD 100 via the communication device 206 (S107).
  • the processor 162 generates an image (frame image) to be displayed next based on information received from the smartphone 200 via the communication device 166 (S109). Further, the processor 162 controls the light source 112 of the display unit 110 based on the generated frame image data, and updates the image frame provided by the image display light emitted from the light source 112 (S111).
  • an image is provided by the HMD 100 based on a user operation acquired by the watch 400.
  • the input key 168 or the touch sensor 170 of the touch panel 214 of the smartphone 200 or the control unit 160 of the HMD 100 is provided.
  • An image may be provided by the HMD 100 based on a user operation acquired by the HMD 100.
  • FIG. 4 is a block diagram illustrating a functional configuration for detecting an abnormal state and controlling brightness according to an embodiment of the present disclosure.
  • detection of an abnormal state and brightness control are realized by a functional configuration including a sensor data acquisition unit 510, a state detection unit 520, and a control unit 530.
  • the functional configuration may further include a storage unit 540, a reception unit 550, and an update control unit 560.
  • these functional configurations are realized, for example, when the processor 162 provided in the control unit 160 of the HMD 100 operates according to a program stored in the memory 164.
  • part or all of the functional configuration described above is performed by the processor 202 of the smartphone 200 that communicates with the HMD 100 via wireless communication such as Bluetooth (registered trademark) or Wi-Fi according to a program stored in the memory 204. May be realized.
  • part or all of the functional configuration described above may be realized by the processor 302 of the server 300 operating according to a program stored in the memory 304. That is, the functional configuration described above may be realized in any electronic device (HMD 100, smartphone 200, or server 300) included in the system 10, and a plurality of electronic devices included in the system 10 cooperate. It may be realized by.
  • the sensor data acquisition unit 510 acquires data including detection values of sensors included in an apparatus worn by a user.
  • the state detection unit 520 detects an abnormal state that has occurred to the user based on the detection value of the sensor included in the data acquired by the sensor data acquisition unit 510. More specifically, the state detection unit 520 detects an abnormal state when a predetermined pattern appears in the detection value.
  • the device including the sensor may be the display unit 110 or the control unit 160 of the HMD 100, or may be another device that is worn or carried by the user, such as the smartphone 200 or the watch 400.
  • the smartphone 200 and the watch 400 are examples of devices different from the wearable optical device (HMD 100).
  • the smartphone 200 is an example of an information processing terminal that is carried by a user and operates in cooperation with the wearable optical device.
  • the watch 400 is an example of a wearable device that is worn by a user and is different from the wearable optical device.
  • the sensor data acquisition unit 510 may acquire data including detection values of sensors provided in any one of the display unit 110, the control unit 160, the smartphone 200, and the watch 400, or a plurality of devices The data including the detection values of the sensors respectively provided in the above may be acquired.
  • the sensor may be, for example, a motion sensor (acceleration sensor and / or gyro sensor), microphone, cable insertion / extraction sensor, touch sensor, or illuminance sensor.
  • the devices included in the system 10 will be specifically described.
  • the motion sensor 116 included in the display unit 110 of the HMD 100, the illuminance sensor 118, the microphone 172 included in the control unit 160, the acceleration sensor 176, the sensor 210 included in the smartphone 200, the touch panel 214, A sensor 408 included in the microphone 218 and the watch 400 can be used.
  • control unit 160 of the HMD 100 implements the sensor data acquisition unit 510
  • data including the detection value of the sensor 210 included in the smartphone 200 is transmitted from the communication device 206 of the smartphone 200 to the communication device 166 of the HMD 100. Is done.
  • data including the detection value of the sensor 408 included in the watch 400 is transmitted from the communication device 406 of the watch 400 to the communication device 206 of the smartphone 200, and further, the communication of the HMD 100 is performed by transfer control by the processor 202 of the smartphone 200. Transmitted to the device 166.
  • the sensor data acquisition unit 510 acquires data including the detection value of the sensor from another wearable device (watch 400) via the information processing terminal (smart phone 200) that operates in cooperation with the wearable optical device (HMD 100). ing. If the HMD 100 and the watch 400 can directly communicate, the data may be transmitted from the communication device 406 of the watch 400 to the communication device 166 of the HMD 100.
  • the function of the sensor data acquisition unit 510 may be realized in a device including a sensor used for detecting an abnormal state, or a device interposed between the device including the sensor and the HMD 100.
  • the function of the sensor data acquisition unit 510 may be realized by the processor 202 of the smartphone 200.
  • the function of the sensor data acquisition unit 510 is that the processor 402 of the watch 400 or the processor 202 of the smartphone 200 interposed between the watch 400 and the HMD 100. It may be realized by.
  • the functions of the state detection unit 520 and the control unit 530 may be realized in the same device as the sensor data acquisition unit 510, or may be realized in a different device (for example, a device closer to the HMD 100).
  • the state detection unit 520 detects an abnormal state that has occurred in the user of the HMD 100 when a predetermined pattern appears in the detection value of the sensor.
  • the predetermined pattern may include a change exceeding a detection value threshold. For example, if the acceleration sensor or gyro sensor included in the motion sensor indicates that a large acceleration or angular velocity exceeding the normal range is applied to the device worn or carried by the user (the user falls down, It is presumed that the player has hit it strongly), and when a loud sound exceeding the normal range is detected by the microphone (when the user or the surrounding people make a loud voice or a shocking sound is generated) It is highly probable that an abnormal state has occurred in the user.
  • the state detection unit 520 may detect an abnormal state when a detection value of the acceleration sensor or the microphone exceeds the threshold based on a preset threshold corresponding to a normal range of acceleration or volume. Good.
  • the threshold value may be changeable by a user operation on the HMD 100 or the smartphone 200, for example. In this case, it is possible to personalize for each user what state is an abnormal state.
  • the predetermined pattern when using a detection value of a motion sensor or a microphone, the predetermined pattern may be a waveform pattern corresponding to a specific motion or sound that occurs in an abnormal state.
  • the state detection unit 520 may detect an abnormal state when the pattern appears.
  • the state detection unit 520 indicates that the pattern has appeared.
  • An abnormal state may be detected by.
  • the predetermined pattern may be a change from a cable connection state to a non-connection state.
  • the unconnected state of the cable detected by the cable insertion / extraction sensor in this embodiment means a state where the cable is not completely connected but the connection is maintained.
  • the predetermined pattern may include the entire shielding of the touch sensor or the illuminance sensor.
  • the state detection unit 520 may automatically detect an unexpected abnormal state (such as hitting something, falling down, or suddenly looking back) generated by the user, or detecting an abnormal state.
  • An operation performed by the user who has performed may be detected.
  • the user taps the frame of the display unit 110 of the HMD 100 strongly, pulls the cable between the display unit 110 and the control unit 160 (may be pulled out), or taps the control unit 160 strongly.
  • the acceleration sensor included in the display unit 110 or the control unit 160 may detect a large acceleration
  • the state detection unit 520 can detect an abnormal state.
  • the user may cause the state detection unit 520 to detect an abnormal state by strongly tapping the smartphone 200 or the watch 400.
  • the user covers the touch panel 214 of the smartphone 200, the touch panel 412 of the watch 400, or the illuminance sensor included in the sensor 408 with a hand or makes a loud sound near the control unit 160 of the HMD 100 (speaks a voice,
  • the state detection unit 520 may detect an abnormal state by hitting a hand, hitting or rubbing the control unit 160 itself, or the like.
  • the control unit 530 controls the light source 112 included in the display unit 110 of the HMD 100, and minimizes the luminance of light emitted from the light source 112 when an abnormal state is detected by the state detection unit 520.
  • the control unit 530 controls the light source 112 to emit light (image display light) for causing the user to perceive an image superimposed on the real space with a predetermined luminance.
  • the control unit 530 minimizes the luminance of the image display light.
  • control unit 530 may stop the operation of the light source 112 and set the luminance of the image display light to zero.
  • the control unit 530 minimizes the luminance of the image display light, the display unit 110 of the HMD 100 can easily see the external real space through the entire surface of the light guide plate 114.
  • control unit 530 displays the image display light when a predetermined time elapses after a predetermined pattern for detecting an abnormal state does not appear in the detection value of the sensor acquired by the sensor data acquisition unit 510. May be restored to the original predetermined brightness.
  • the control unit 530 may restore the luminance of the image display light when a predetermined pattern appears again in the sensor detection value. More specifically, for example, when the state detection unit 520 detects an abnormal state because the detected acceleration value acquired by the motion sensor exceeds the threshold value, the control unit 530 first exceeds the threshold value. When the abnormal state is detected, the luminance of the image display light may be minimized while the luminance of the image display light may be restored when the detected value exceeds the threshold again.
  • the control unit 530 indicates that the cable insertion / extraction sensor is disconnected from the cable.
  • the change from the state to the connection state is detected, the luminance of the image display light may be restored.
  • the luminance can be restored by some method, and the provision of the image can be resumed.
  • the user can restore the luminance by waiting for a while after the abnormal state is detected and the luminance is minimized.
  • the user can perform the same operation again after the abnormal state is erroneously detected and the luminance is minimized by the operation that happens to be performed (for example, the operation of tapping the device or covering the touch panel or the illumination sensor with a hand). By executing, the luminance can be restored.
  • the user can re-insert the luminance by reinserting the cable. Can be restored.
  • the storage unit 540 stores setting information of the HMD 100 including setting information related to detection of an abnormal state.
  • the receiving unit 550 receives setting information from the smartphone 200.
  • the update control unit 560 controls updating of the stored setting information based on the setting information received by the receiving unit 550.
  • the storage unit 540 is realized by, for example, the memory 164 included in the control unit 160 of the HMD 100, the reception unit 550 is realized by the communication device 166, and the update control unit 560 is realized by the processor 162.
  • the update control unit 560 compares the setting information stored in the storage unit 540 with the setting information received by the receiving unit 550 when the received setting information is setting information related to detection of an abnormal state. Then, setting information having a wider range of the predetermined pattern for detecting an abnormal state is stored in the storage unit 540. Therefore, when the setting information already stored in the storage unit 540 has a wider range of the predetermined pattern for detecting an abnormal state than the setting information newly received from the smartphone 200, the setting information is updated. It may not be. On the other hand, the update control unit 560 overwrites the setting information stored in the storage unit 540 with the setting information received by the receiving unit 550 when the received setting information is not setting information related to detection of an abnormal state.
  • the setting information of the HMD 100 can be set by either the HMD 100 or the smartphone 200 and is stored in both the memory 164 (storage unit 540) of the HMD 100 and the memory 204 of the smartphone 200.
  • the setting information stored in the smartphone 200 is transmitted to the HMD 100, and the setting information stored in each device is shared.
  • an image is provided before the connection between the HMD 100 and the smartphone 200 is established or even when the connection is temporarily disconnected. Can continue.
  • the update control of the setting information by the update control unit 560 is performed.
  • the update control unit 560 uses the setting information received from the smartphone 200 by the receiving unit 550 for the general setting information of the HMD 100, such as the luminance setting and the congestion setting (during normal times), for example.
  • the setting information stored in is overwritten. That is, the setting information stored on the smartphone 200 side is handled as master information, and the setting information stored on the HMD 100 side is synchronized with the master information. This is because the HMD 100 may be shared between different users, whereas the smartphone 200 is basically dedicated to a single user and better suited for storing personalized settings. is there.
  • the update control unit 560 compares the setting information received from the smartphone 200 by the receiving unit 550 with the setting information stored in the storage unit 540 for the setting information related to the detection of the abnormal state by the state detecting unit 520.
  • setting information having a wider range of the predetermined pattern for detecting the abnormal state is stored in the storage unit 540. That is, the update control unit 560 overwrites the setting information stored in the storage unit 540 with the received setting information if the received setting information has a wider range of the predetermined pattern. Further, the update control unit 560 discards the received setting information and maintains the setting information stored in the storage unit 540 if the setting information already stored has a wider range of the predetermined pattern. That is, the update control unit 560 employs setting information on the safer side among the received setting information and stored setting information.
  • the HMD 100 by handling the setting information stored on the smartphone 200 side as master information, even when the HMD 100 is shared between different users, it is easy to use the HMD 100 with personalized settings for each user. Become. However, it is inconvenient for the setting relating to the detection of the abnormal state that there is a discrepancy between the setting expected by the user and the actual setting. For example, when the owner of the HMD 100 connects the HMD 100 to the smartphone 200 of another user (for example, when using an application or content held by the smartphone 200 of another user), the owner of the HMD 100 is stored in the smartphone 200 of the other user.
  • the setting information of the HMD 100 is overwritten with the set information, and the owner of the HMD 100 is detected as an abnormal state when the state detecting unit 520 detects an abnormal state based on the overwritten setting information (owned) It is possible that the abnormal state is not detected in the setting information of the person).
  • an abnormal state is detected and the image is displayed. Assume that the setting is such that the brightness of light is minimized.
  • the motion sensor 116 detects It is assumed that the abnormal state is not detected unless the acceleration to be performed exceeds the second threshold value that is larger than the first threshold value, or the acceleration detected by the motion sensor 116 is changed so as not to be used for detecting the abnormal state.
  • the state detection unit 520 does not detect the abnormal state, and control is performed.
  • the luminance minimization by the unit 530 is not executed. Since the detection of the abnormal state is a process for the safety of the user, it is inconvenient that it does not function as expected by the user.
  • the update control unit 560 compares the setting information received from the smartphone 200 with the setting information already stored in the HMD 100, and is stored in the HMD 100. Because the setting information has a wider range of the predetermined pattern (the acceleration detected by the motion sensor 116 is used for determination of the abnormal state / the abnormal state is detected with the first threshold lower than the second threshold). The received setting information is discarded, and the setting information stored in the HMD 100 is maintained. Note that the update control unit 560 may overwrite the setting information stored in the storage unit 540 with the setting information received from the smartphone 200 for setting information other than the detection of the abnormal state. In the above example, when the first user connects the HMD 100 to his / her smartphone 200 again, the setting information (related to other than detection of an abnormal state) is rewritten to information personalized by the first user.
  • the management of the setting information as in the above example is an example, and the setting information related to the detection of the abnormal state may be managed by other methods.
  • setting information stored on the HMD 100 side may be used as master information. In that case, the processing of the update control unit 560 is not required.
  • the management of the setting information as in the above example is performed, the setting information received by the receiving unit 550 is not limited to the smartphone 200. For example, even if the server 300 transmits the setting information. Good.
  • Such a configuration may be employed when the HMD 100 can communicate with the server 300 without passing through the smartphone 200 or when the setting information is stored in the server 300 even when the smartphone 200 is interposed.
  • the setting related to the detection of the abnormal state may be automatically adjusted based on, for example, the result of action recognition in addition to being adjusted by a user operation.
  • the system 10 for example, it is possible to acquire information indicating a user's action state using the motion sensor 116 provided in the display unit 110 of the HMD 100, the sensor 210 provided in the smartphone 200, the GPS receiver 216, and the like as sensors.
  • Such behavior recognition technology is a known technology described in Japanese Patent Application Laid-Open No. 2010-198595, Japanese Patent Application Laid-Open No. 2011-81431, Japanese Patent Application Laid-Open No. 2012-8771, and the like, and thus detailed description thereof is omitted.
  • the state detection unit 520 extracts from the detection value of the sensor based on the pattern that is extracted from the result of behavior recognition, such as what state is an abnormal state and what operation the user performs in the abnormal state. An abnormal state may be detected.
  • settings related to brightness control can be adjusted in the same way. For example, how much the control unit 530 reduces the luminance of the image display light (whether the operation of the light source 112 is stopped and the luminance is reduced to 0, or the luminance is decreased to a minimum value while the operation of the light source 112 is continued) ) May be adjusted by a user operation on the smartphone 200 or the HMD 100 itself.
  • the control unit 530 minimizes the luminance of the image display light the reproduction of the content provided by the image may be terminated or may be paused and resumed after the luminance is restored. For example, whether the user continues to watch the content after the brightness is restored.
  • FIG. 5 is a sequence diagram showing a first example.
  • acceleration exceeding a threshold is detected by the acceleration sensor included in the motion sensor 116 of the display unit 110 (S201).
  • a signal indicating the detected acceleration is transmitted from the display unit 110 to the control unit 160 (S203), and the control unit 160 determines to minimize the luminance of the image display light (S205).
  • the control unit 160 transmits a request for stopping the operation of the light source 112 included in the display unit 110 (request for minimizing luminance) to the display unit 110 (S207), and the light source 112 stops operating in the display unit 110 (S209). ).
  • the processor 162 of the control unit 160 acquires the acceleration detection value (function of the sensor data acquisition unit 510), and determines whether or not the detection value exceeds the threshold (state detection unit 520). If it exceeds, the control for stopping the light source 112 of the display unit 110 is executed (function of the control unit 530). Note that, for example, when the motion sensor 116 of the display unit 110 detects an angular velocity exceeding the threshold value, the same processing as the sequence of FIG. 5 can be executed.
  • FIG. 6 is a sequence diagram showing a second example.
  • acceleration exceeding a threshold is detected by the acceleration sensor 176 of the control unit 160 (S211).
  • the control unit 160 determines to minimize the luminance of the image display light based on the detected acceleration (S205), and requests to stop the operation of the light source 112 provided in the display unit 110 (request to minimize the luminance). Is transmitted to the display unit 110 (S207).
  • the light source 112 stops operating in response to the request (S209).
  • the microphone 172 of the control unit 160 detects sound at a volume exceeding the threshold, or when the cable insertion / extraction sensor 178 detects a change in the connection state of the cable, the same processing as the sequence of FIG. 6 is performed. Can be executed.
  • FIG. 7 is a sequence diagram showing a third example.
  • acceleration exceeding a threshold is detected by an acceleration sensor included in the sensor 408 of the watch 400 (S221).
  • the watch 400 determines to minimize the luminance of the image display light of the HMD 100 based on the detected acceleration (S223), and requests to stop the operation of the light source 112 included in the display unit 110 (request to minimize the luminance).
  • Is transmitted (S225).
  • the transmitted request is transferred to the control unit 160 by the smartphone 200 (S227).
  • the control unit 160 transmits a request for stopping the operation of the light source 112 included in the display unit 110 (request for minimizing luminance) to the display unit 110 (S207), and the light source 112 stops operating in the display unit 110 (S209). ).
  • the processor 402 of the watch 400 acquires a detection value of acceleration (a function of the sensor data acquisition unit 510), and determines whether or not the detection value exceeds a threshold (state detection unit 520). If it exceeds, the control (request transmission) for stopping the light source 112 of the display unit 110 is executed (function of the control unit 530). As another example, the watch 400 transmits a detected value when the detected value of acceleration is a certain amount (not necessarily the same as the threshold set in the HMD 100), The functions of the sensor data acquisition unit 510, the state detection unit 520, and the control unit 530 may be realized by the processor 162 of the control unit 160 that has received the detection value (S205 illustrated by a broken line).
  • the functions of the above-described units may be realized by the processor 202 of the smartphone 200. Note that, for example, when the touch panel 412 of the watch 400 or the illuminance sensor included in the sensor 408 is totally shielded, the same processing as the sequence of FIG. 7 can be executed.
  • FIG. 8 is a sequence diagram showing a fourth example.
  • acceleration exceeding a threshold is detected by an acceleration sensor included in the sensor 210 of the smartphone 200 (S231).
  • the smartphone 200 determines to minimize the luminance of the image display light of the HMD 100 based on the detected acceleration (S233), and requests to stop the operation of the light source 112 included in the display unit 110 (request to minimize the luminance) ) Is transmitted (S235).
  • the control unit 160 that has received the request transmits a request to stop the operation of the light source 112 included in the display unit 110 (a request to minimize the luminance) to the display unit 110 (S207), and the light source 112 operates in the display unit 110. Stop (S209).
  • the processor 202 of the smartphone 200 acquires the acceleration detection value (function of the sensor data acquisition unit 510), and determines whether or not the detection value exceeds the threshold (state detection unit 520). If it exceeds, the control (request transmission) for stopping the light source 112 of the display unit 110 is executed (function of the control unit 530).
  • the smartphone 200 transmits a detected value and receives a detected value when the detected value of acceleration is a certain level (not necessarily the same as the threshold set in the HMD 100).
  • the functions of the sensor data acquisition unit 510, the state detection unit 520, and the control unit 530 may be realized by the processor 162 of the control unit 160 (S205 illustrated by a broken line). Note that, for example, when other sensors included in the touch panel 214 of the smartphone 200, the microphone 218, and the sensor 210 are used for determination of an abnormal state, the same processing as the sequence in FIG. 8 can be executed.
  • FIG. 9 is a block diagram illustrating a hardware configuration example of the electronic device according to the embodiment of the present disclosure.
  • the illustrated electronic device 900 can realize, for example, the HMD 100, the smartphone 200, the server device configuring the server 300, and / or the watch 400 in the above-described embodiment.
  • the electronic device 900 includes a CPU (Central Processing unit) 901, a ROM (Read Only Memory) 903, and a RAM (Random Access Memory) 905.
  • the electronic device 900 may include a host bus 907, a bridge 909, an external bus 911, an interface 913, an input device 915, an output device 917, a storage device 919, a drive 921, a connection port 923, and a communication device 925.
  • the electronic device 900 may include an imaging device 933 and a sensor 935 as necessary.
  • the electronic device 900 may have a processing circuit called DSP (Digital Signal Processor) or ASIC (Application Specific Integrated Circuit) instead of or in addition to the CPU 901.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • the CPU 901 functions as an arithmetic processing unit and a control unit, and controls all or a part of the operation in the electronic device 900 according to various programs recorded in the ROM 903, the RAM 905, the storage device 919, or the removable recording medium 927.
  • the ROM 903 stores programs and calculation parameters used by the CPU 901.
  • the RAM 905 primarily stores programs used in the execution of the CPU 901, parameters that change as appropriate during the execution, and the like.
  • the CPU 901, the ROM 903, and the RAM 905 are connected to each other by a host bus 907 configured by an internal bus such as a CPU bus. Further, the host bus 907 is connected to an external bus 911 such as a PCI (Peripheral Component Interconnect / Interface) bus via a bridge 909.
  • PCI Peripheral Component Interconnect / Interface
  • the input device 915 is a device operated by the user, such as a mouse, a keyboard, a touch panel, a button, a switch, and a lever.
  • the input device 915 may be, for example, a remote control device that uses infrared rays or other radio waves, or may be an external connection device 929 such as a mobile phone that supports the operation of the electronic device 900.
  • the input device 915 includes an input control circuit that generates an input signal based on information input by the user and outputs the input signal to the CPU 901. The user operates the input device 915 to input various data to the electronic device 900 and instruct processing operations.
  • the output device 917 is a device that can notify the user of the acquired information visually or audibly.
  • the output device 917 can be, for example, a display device such as an LCD (Liquid Crystal Display), a PDP (Plasma Display Panel), an organic EL (Electro-Luminescence) display, an audio output device such as a speaker and headphones, and a printer device.
  • the output device 917 outputs the result obtained by the processing of the electronic device 900 as video such as text or an image, or outputs it as audio such as voice or sound.
  • the storage device 919 is a data storage device configured as an example of a storage unit of the electronic device 900.
  • the storage device 919 includes, for example, a magnetic storage device such as an HDD (Hard Disk Drive), a semiconductor storage device, an optical storage device, or a magneto-optical storage device.
  • the storage device 919 stores programs executed by the CPU 901, various data, various data acquired from the outside, and the like.
  • the drive 921 is a reader / writer for a removable recording medium 927 such as a magnetic disk, an optical disk, a magneto-optical disk, or a semiconductor memory, and is built in or externally attached to the electronic device 900.
  • the drive 921 reads information recorded on the attached removable recording medium 927 and outputs the information to the RAM 905.
  • the drive 921 writes a record in the attached removable recording medium 927.
  • the connection port 923 is a port for directly connecting the device to the electronic device 900.
  • the connection port 923 can be, for example, a USB (Universal Serial Bus) port, an IEEE 1394 port, a SCSI (Small Computer System Interface) port, or the like.
  • the connection port 923 may be an RS-232C port, an optical audio terminal, an HDMI (registered trademark) (High-Definition Multimedia Interface) port, or the like.
  • the communication device 925 is a communication interface configured with, for example, a communication device for connecting to the communication network 931.
  • the communication device 925 may be, for example, a communication card for wired or wireless LAN (Local Area Network), Bluetooth (registered trademark), or WUSB (Wireless USB).
  • the communication device 925 may be a router for optical communication, a router for ADSL (Asymmetric Digital Subscriber Line), or a modem for various communication.
  • the communication device 925 transmits and receives signals and the like using a predetermined protocol such as TCP / IP with the Internet and other communication devices, for example.
  • the communication network 931 connected to the communication device 925 is a wired or wireless network, such as the Internet, a home LAN, infrared communication, radio wave communication, or satellite communication.
  • the imaging device 933 uses various members such as an imaging element such as a CCD (Charge Coupled Device) or a CMOS (Complementary Metal Oxide Semiconductor), and a lens for controlling the formation of a subject image on the imaging element. It is an apparatus that images a real space and generates a captured image.
  • the imaging device 933 may capture a still image or may capture a moving image.
  • the sensor 935 is various sensors such as an acceleration sensor, a gyro sensor, a geomagnetic sensor, an optical sensor, and a sound sensor.
  • the sensor 935 obtains information related to the state of the electronic device 900 itself, such as the posture of the casing of the electronic device 900, and information related to the surrounding environment of the electronic device 900, such as brightness and noise around the electronic device 900.
  • the sensor 935 may include a GPS sensor that receives a GPS (Global Positioning System) signal and measures the latitude, longitude, and altitude of the apparatus.
  • GPS Global Positioning System
  • Each component described above may be configured using a general-purpose member, or may be configured by hardware specialized for the function of each component. Such a configuration can be appropriately changed according to the technical level at the time of implementation.
  • Embodiments of the present disclosure include, for example, an electronic device, a system, a method executed by the electronic device or the system as described above, a program for causing the electronic device to function, and a non-temporary tangible recording of the program.
  • Media may be included.
  • a sensor data acquisition unit that acquires data including a detection value of a sensor included in a device worn or carried by a user;
  • a state detection unit that detects an abnormal state that has occurred to the user when a predetermined pattern appears in the detection value;
  • a control unit that controls a light source of a wearable optical device that emits light for causing the user to perceive an image superimposed in real space, and that minimizes the luminance of the light when the abnormal state is detected.
  • Electronics (2) The electronic device according to (1), wherein the sensor includes a sensor provided in at least one device different from the wearable optical device.
  • the wearable optical device includes a first unit that includes the light source and is attached to the user's head, and a second unit separated from the first unit, The electronic device according to (6), wherein the sensor includes a sensor provided in the second unit. (8) The electronic device according to any one of (1) to (7), wherein the sensor includes an acceleration sensor or an angular velocity sensor. (9) The electronic device according to any one of (1) to (8), wherein the sensor includes a microphone. (10) The electronic device according to any one of (1) to (9), wherein the predetermined pattern includes a change exceeding a threshold value of the detection value. (11) The electronic device according to any one of (1) to (10), wherein the control unit restores the luminance of the light when the predetermined pattern appears again in the detection value.
  • the control unit according to any one of (1) to (11), wherein the luminance of the light is restored when a predetermined time elapses after the predetermined pattern does not appear in the detection value.
  • the electronic device as described in. (13) The sensor includes a sensor that detects a connection state of a cable that connects between a device including the sensor and another device, or a plurality of modules included in the device including the sensor.
  • the electronic device according to any one of (1) to (12), wherein the predetermined pattern includes a change from a connected state of the cable to a disconnected state.
  • the electronic device according to (13), wherein the control unit restores the luminance of the light when the detected value indicates a change from a non-connected state to a connected state of the cable.
  • the sensor includes a touch sensor or an illuminance sensor, The electronic device according to any one of (1) to (14), wherein the predetermined pattern includes a total shielding of the touch sensor or the illuminance sensor.
  • a storage unit for storing setting information; A receiving unit for receiving the setting information from an external device; An update control unit that controls updating of the stored setting information based on the received setting information, and The update control unit compares the stored setting information with the received setting information when the received setting information is setting information related to detection of the abnormal state, and the range of the predetermined pattern (1) to (15), wherein wider setting information is stored in the storage unit, and if not, the stored setting information is overwritten with the received setting information.
  • Electronic equipment is a touch sensor or an illuminance sensor, The electronic device according to any one of (1) to (14), wherein the predetermined pattern includes a total shielding of the touch sensor or the illuminance sensor.
  • a device mounted or carried by a user and provided with a sensor A light source that emits light for causing the user to perceive an image superimposed in real space, a sensor data acquisition unit that acquires data including detection values of the sensors, and when a predetermined pattern appears in the detection values
  • a wearable optical device comprising: a state detection unit that detects an abnormal state generated by a user; and a control unit that minimizes the luminance of the light when the abnormal state is detected.
  • a method of providing an image comprising: when a wearable optical device detects the abnormal state, minimizing a luminance of light for allowing the user to perceive an image superimposed on a real space.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

Le but de la présente invention est de réaliser une opération appropriée pour aider un utilisateur portant un dispositif optique portable si un état anormal se produit dans l'utilisateur. La présente invention porte sur un appareil électronique comprenant : une unité d'acquisition de données de capteur (510) qui acquiert des données qui comprennent les valeurs détectées d'un capteur disposé sur un dispositif porté ou transporté par un utilisateur ; une unité de détection d'état (520) qui, si un motif prescrit apparaît dans les valeurs détectées, détecte un état anormal qui s'est produit dans l'utilisateur ; et une unité de commande (530) qui commande une source de lumière d'un dispositif optique portable qui émet de la lumière pour former une image superposée dans un espace réel perceptible par l'utilisateur, et qui réduit à un minimum la luminance de la lumière si l'état anormal a été détecté.
PCT/JP2014/080546 2014-02-21 2014-11-18 Appareil électronique et procédé de fourniture d'image WO2015125364A1 (fr)

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