WO2018018365A1 - Terminal mobile utilisé pour photographier une image vr et système de photographie d'image vr associé - Google Patents

Terminal mobile utilisé pour photographier une image vr et système de photographie d'image vr associé Download PDF

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Publication number
WO2018018365A1
WO2018018365A1 PCT/CN2016/091582 CN2016091582W WO2018018365A1 WO 2018018365 A1 WO2018018365 A1 WO 2018018365A1 CN 2016091582 W CN2016091582 W CN 2016091582W WO 2018018365 A1 WO2018018365 A1 WO 2018018365A1
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WO
WIPO (PCT)
Prior art keywords
mobile terminal
cameras
image
camera
center position
Prior art date
Application number
PCT/CN2016/091582
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English (en)
Chinese (zh)
Inventor
林于翔
Original Assignee
深圳市同盛绿色科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市同盛绿色科技有限公司 filed Critical 深圳市同盛绿色科技有限公司
Priority to PCT/CN2016/091582 priority Critical patent/WO2018018365A1/fr
Publication of WO2018018365A1 publication Critical patent/WO2018018365A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet

Definitions

  • the present invention relates to the technical field of VR image capturing, and in particular to a mobile terminal for capturing a VR image and a VR image capturing system thereof.
  • Virtual reality Reality (VR) technology is an important direction of simulation technology.
  • the combination of simulation technology and computer graphics human-machine interface technology multimedia technology sensor technology network technology is a challenging cross-cutting discipline and research. field.
  • Virtual reality technology (VR) mainly includes simulation environment, perception, natural skills and sensing equipment.
  • the simulation environment is a computer-generated, real-time, dynamic, three-dimensional, realistic image.
  • Perception means that the ideal VR should have the perception that everyone has.
  • there are also perceptions such as hearing, touch, force, and motion, and even smell and taste, also known as multi-perception.
  • Natural skills refer to the rotation of the person's head, eyes, gestures, or other human behaviors.
  • the computer processes the data that is appropriate to the actions of the participants, responds to the user's input in real time, and feeds back to the user's facial features. .
  • a sensing device is a three-dimensional interactive device.
  • the shooting of the VR image is still obtained by a large professional equipment and a professional after a large amount of post-processing, and there is no VR image shooting device which is simple in structure, easy to operate, and low in cost.
  • the channel of VR image source is largely hindered, which has greatly hindered the accumulation of VR material.
  • the embodiment of the invention provides a mobile terminal for capturing a VR image and a VR image capturing system thereof, so as to solve the technical problem that the VR image capturing device in the prior art is bulky, expensive, and inconvenient to operate.
  • an embodiment of the present invention provides a mobile terminal for capturing a VR image, where the mobile terminal includes two cameras, and the two cameras are respectively mounted on a surface of a mobile terminal casing, and the two The connection between the center positions of the cameras is parallel to the top or side of the mobile terminal casing, and the physical characteristics of the two cameras are the same, and are controlled by the mobile terminal processor in a synchronous manner, and the mobile terminal is internally provided.
  • the physical characteristics of the camera include a maximum aperture, a focal length, a viewing angle, and a resolution.
  • the center position of the two cameras is preset to have a range of tilt angles of the recordable VR image: an angle of ⁇ 10 degrees from the horizontal line.
  • the center positions of the two cameras are 3-15 cm.
  • the center positions of the two cameras are between 5.5 and 7.5 cm.
  • the center positions of the two cameras are 6.5 cm.
  • the position sensor is a level or a gyroscope.
  • the mobile terminal further includes an indicator light, and the indicator light is embedded on a surface of the outer casing of the mobile terminal, and is used to indicate whether the center position connection of the two cameras is preset. Can take VR image tilt angle range.
  • the mobile terminal is a mobile phone, a tablet or a notebook computer.
  • the present invention further provides a VR image capturing system based on a mobile terminal, the VR image capturing system including an integrated external dual camera and the mobile terminal in the above embodiment, on the mobile terminal An image transmission interface is provided, and the external dual camera transmits and records the captured VR image to the mobile terminal through the image transmission interface, and the mobile terminal further transmits the control signal through the image transmission interface. Go to the external dual camera.
  • the present invention provides a mobile terminal for capturing VR images and a VR image capturing system thereof, by providing two cameras on the mobile terminal, and ensuring the following conditions: 1. Connection of the center positions of the two cameras Basically in the horizontal position; 2, the physical characteristics of the two cameras are the same; 3, the two cameras are controlled by synchronous driving; and 4, the distance between the two cameras is the same as the distance between the human eyes.
  • the VR image can be captured by the mobile terminal by satisfying the above conditions.
  • the mobile terminal can be a portable electronic device for people's commonly used mobile phones and tablet computers, which can greatly facilitate the shooting of VR images, and is simple in operation and low in cost, and is beneficial to the promotion of the VR industry.
  • FIG. 1 is a schematic diagram showing the back structure of a preferred embodiment of a mobile terminal for capturing a VR image of the present invention
  • FIG. 2 is a front view showing a preferred embodiment of a VR image capturing apparatus of the present invention
  • 3 is a schematic front view showing the state of another position of two imaging units of the photographing device
  • FIG. 4 is a schematic rear view showing the structure of the VR image capturing device in the embodiment of FIG. 2;
  • FIG. 5 is a schematic structural diagram of a preferred embodiment of a VR image capturing system based on a mobile terminal according to the present invention.
  • the mobile terminal in the embodiment of the present invention may be a portable electronic device such as a mobile phone, a tablet computer or a notebook computer.
  • FIG. 1 is a schematic diagram showing the back structure of a preferred embodiment of a mobile terminal for capturing a VR image.
  • the mobile terminal 100 includes two cameras (110, 120) and two cameras (110, 120). ) respectively, are mounted on the surface of the mobile terminal housing 130.
  • the line 102 at the center of the two cameras (110, 120) is parallel to the top edge of the mobile terminal housing 130.
  • the line 102 at the center of the two cameras (110, 120) may also be parallel to the sides of the mobile terminal housing 130.
  • the schematic diagram will not be used here.
  • the physical characteristics of the two cameras (110, 120) are the same, wherein the physical characteristics of the camera include maximum aperture, focal length, viewing angle, resolution, and the like.
  • Camera has been widely used in mobile phone photography, video conferencing, telemedicine and real-time monitoring.
  • the continuous improvement of network speed coupled with the maturity of photographic imaging device technology and the large amount of use in the manufacture of cameras, this has made its price drop to a level that ordinary people can bear.
  • the camera is divided into two categories: a digital camera and an analog camera. In the present invention, either one of them can be used.
  • the analog camera can convert the analog video signal generated by the video capture device into a digital signal, and store it in the memory of the mobile terminal 100 (not shown); the video signal captured by the analog camera must pass through a specific video capture card.
  • the analog signal is converted into a digital mode and compressed to be converted to the mobile terminal 100; the digital camera can directly capture the image and then transmit it to the mobile terminal 100.
  • the cameras on the electronics market are now dominated by digital cameras.
  • the working principle of the camera is: the optical image generated by the scene through the lens (LENS) is projected onto the surface of the image sensor, and then converted into an electrical signal, which is converted into a digital image signal by A/D (analog-to-digital conversion) and then sent to the digital signal.
  • the processing in the processor is processed and transmitted to the processor of the mobile terminal 100 through the transmission line for processing, and the image can be seen through the display screen.
  • the main structure and components of the camera can be listed: the main control chip, the sensor chip, the lens and the power supply.
  • the camera requires two working voltages inside: 3.3V and 2.5V, so a good internal power supply for the camera is also a factor in ensuring stable camera operation.
  • lens The lens is composed of a lens structure consisting of several lenses, usually a plastic lens or a glass lens.
  • the lens structure for the camera is: 1P, 2P, 1G1P, 1G2P, 2G2P, 4G, and the like.
  • the sensor chip SENSOR
  • CCD Charge Coupled Device, charge coupled component
  • CMOS Complementary Metal-Oxide Semiconductor, metal oxide semiconductor devices
  • the advantages of CCD are high sensitivity, low noise, and large signal-to-noise ratio.
  • CMOS complementary metal-oxide-semiconductor
  • the production process is complicated, the cost is high, and the power consumption is high.
  • the advantages of CMOS are high integration, low power consumption (less than 1/3 of CCD), and low cost.
  • the noise is relatively large, the sensitivity is low, and the light source is required to be high.
  • the imaging of the CCD under the same pixel tends to be very good in transparency and sharpness, and the color reproduction and exposure can be basically accurate.
  • the CMOS products are generally transparent, and the color reproduction ability of the real object is weak, and the exposure is not very good.
  • a camera of a CCD sensor chip is preferred.
  • the main parameters of the camera are described below.
  • Maximum aperture The true value of the maximum aperture is reflected in the amount of light that the surveillance camera increases in low light conditions to achieve the optimal exposure combination.
  • the lens with the largest aperture can bring a faster shutter speed;
  • the focal length The focal length is actually the viewing angle problem, and the focal length is different.
  • the two cameras (110, 120) in the embodiment of the present invention are controlled by the processor of the mobile terminal 100 in a synchronous manner, that is, synchronously controlling the start and stop of shooting of the two cameras, so as to ensure that the shooting is satisfied.
  • VR image required for synchronization (guarantee the screen synchronization seen during playback and left and right eyes).
  • the mobile terminal 100 is internally provided with a position sensor (not shown) for detecting whether the center position connection 102 of the two cameras is within a preset range of the imageable VR image, and the position sensor may be external.
  • the center position of the two cameras (110, 120) is preset to a range of angles of the recordable VR image of the camera 102: an angle of ⁇ 10 degrees from the horizontal line.
  • the center position distance D of the two cameras (110, 120) is 3-15 cm. Further preferably, the range D is 5.5 to 7.5 cm, and the center position distance D of the two cameras (110, 120) is preferably 6.5 cm.
  • the mobile terminal 100 further includes an indicator light 150.
  • the indicator light 150 is embedded on the surface of the outer casing 130 of the mobile terminal, and is used to indicate whether the center position connection 102 of the two cameras (110, 120) is preset. Shoot the VR image within the tilt angle range.
  • the indicator light 150 when the position sensor detects that the center position connection 102 of the two cameras (110, 120) is within the preset range of the recordable VR image, the indicator light 150 emits green light; and when the position sensor detects two When the center position connection 102 of the camera (110, 120) is not within the preset angle range of the recordable VR image, the indicator light 150 emits red light, and the mobile terminal 100 can emit a "drip" sound to It is suggested that the current posture cannot capture the VR image that satisfies the requirements, and the user swings the mobile terminal 100 so that the center position of the two cameras (110, 120) is close to the horizontal direction 102.
  • the images taken by the two cameras (110, 120) are displayed on the display screen of the mobile terminal 100 in a split screen manner.
  • the picture taken by the left camera 110 is displayed on the left side of the display screen, and the picture taken by the right side camera 110 is correspondingly displayed on the right side of the display screen.
  • the two sides of the picture correspond to the left and right sides of the person respectively. eye.
  • the mobile terminal 100 is further provided with an image transmission interface 160, which is embedded in the outer edge of the mobile terminal 100 for signal transmission connection with an external camera. Specific structural features will be described in detail in subsequent embodiments.
  • the mobile terminal for photographing VR images ensures that the following conditions are met by setting two cameras on the mobile terminal: 1.
  • the connection between the center positions of the two cameras is substantially in a horizontal position;
  • the physical characteristics of the two cameras are the same; 3.
  • the two cameras are controlled by synchronous driving; and the distance between the two cameras is the same as the distance between the two eyes.
  • the VR image can be captured by the mobile terminal by satisfying the above conditions.
  • the mobile terminal can be a portable electronic device for people's commonly used mobile phones and tablet computers, which can greatly facilitate the shooting of VR images, and is simple in operation and low in cost, and is beneficial to the promotion of the VR industry.
  • FIG. 2 is a front structural diagram of a preferred embodiment of a VR image capturing apparatus according to the present invention.
  • the photographing apparatus 200 includes but is not limited to the following structural units: two camera units (210, 220) and signal transmission connection terminals. 230.
  • the two camera units (210, 220) are slidably coupled by the slide assembly 240 to adjust the distance H between the two camera units (210, 220).
  • the sliding assembly 240 can adjust the distance H between the two camera units (210, 220) to be in the range of 3-15 cm.
  • FIG. 3 is a front structural view showing another state of the two imaging units of the imaging device
  • FIG. 4 is a schematic rear structural view of the VR image capturing device in the embodiment of FIG.
  • the sliding frame 240 includes a supporting frame 241 and a guide rail 242 disposed inside the supporting frame 241 and fixedly connected to the inner side wall of the supporting frame 241.
  • the sliding rail 242 is provided with two sliding blocks 243 for sliding connection. Blocks 243 are respectively connected to a camera unit (210, 220).
  • the camera unit (210, 220) includes a camera 201 and a camera mount 202.
  • the camera mount 202 is used to fix the camera 201 and is fixedly connected to the slider 243.
  • the physical characteristics of the two cameras 201 are the same, wherein the physical characteristics of the camera include maximum aperture, focal length, viewing angle, resolution, and the like.
  • the outer side edge of the camera holder 202 is provided with a latching protrusion 2021.
  • the side of the support frame 241 is provided with a plurality of latching slots 2411 that cooperate with the latching protrusions 2021.
  • the slot 2411 cooperates to realize the positioning of the camera mount 202 to the different positions of the support frame 241, thereby realizing the adjustment of the distance H between the two cameras.
  • the signal transmission connection terminal 230 is connected to the image transmission interface 160 on the mobile terminal 100 for transmitting the VR image captured by the camera unit to the mobile terminal 100, and transmits the mobile terminal 100 to issue two camera units (210, 220) to the camera. Synchronous drive control signal.
  • the camera device 200 further includes a position sensing component 250 that is fixedly coupled to the edge of the support frame 241.
  • the position sensing component 250 is configured to detect whether the center positions of the two camera units (210, 220) are connected.
  • the detection signal of the position sensing component 250 is transmitted to the mobile terminal 100 through the signal transmission connection terminal 230 within a preset tilt range of the recordable VR image.
  • the position sensing assembly 250 includes a fixed housing 251 and a position sensor (not shown) disposed inside the fixed housing 251.
  • the fixed housing 251 is fixedly coupled to the edge of the support frame 241.
  • the position sensor can be a level or a gyroscope, etc., and is beyond the scope of those skilled in the art, and will not be enumerated here.
  • the position sensing component 250 further includes an indicator light 252 that is mounted on the outer surface of the fixed housing 251 for indicating whether the center position connection 222 of the two camera units (210, 220) is in advance. Set the VR image within the tilt angle range.
  • the indicator light 252 when the position sensing component 250 detects that the center position connection 222 of the two camera units (210, 220) is within the preset range of the recordable VR image, the indicator light 252 emits green light; When the sensing component 250 detects that the center position connection 222 of the two camera units (210, 220) is not within the preset angle range of the recordable VR image, the indicator light 252 emits red light, and the mobile terminal 100 can issue a "drop" The sound of the "drip" indicates that the current posture cannot capture the VR image that satisfies the requirements, and the user swings the mobile terminal 100 so that the center position line 222 of the two imaging units (210, 220) is close to the horizontal direction. In order to meet the shooting requirements.
  • the center position of the two camera units (210, 220) is preset to a range of angles of the recordable VR image that is ⁇ 10 degrees from the horizontal line.
  • the center position distance H of the two camera units (210, 220) is 3-15 cm.
  • the range H is 5.5-7.5 cm, and the center position distance H of the two camera units (210, 220) The best value is 6.5cm.
  • the photographing device provided by the embodiment provides a sliding connection between the two camera units by setting the structure of the sliding assembly, thereby achieving the purpose of adjusting the distance between the two camera units; and a horizontal sensor is provided to ensure two during the shooting process.
  • the center position of the camera unit is within the preset range of the VR image tilt angle ( ⁇ 10 degrees from the horizontal line); the camera has a simple structure and low cost, and can be worn on the head or clip during use. Holding the position on the mobile terminal and the like, and connecting the mobile terminal with the signal transmission connection terminal, the VR image can be captured, which is beneficial to the promotion and popularization of the VR industry to a large extent.
  • FIG. 5 is a schematic structural diagram of a preferred embodiment of a VR image capturing system based on a mobile terminal according to the present invention.
  • the VR image capturing system includes a mobile terminal 100 and an imaging device 200.
  • the mobile terminal 100 is provided with an image transmission interface 160.
  • the signal transmission connection terminal 230 of the imaging device 200 is coupled with the image transmission interface 160, and is connected through the image transmission interface 160.
  • the captured VR image is transmitted to the mobile terminal 100 for display and storage, and the mobile terminal 100 also transmits a control signal to the photographing device 200 through the image transmission interface 160.
  • FIG. 1 is a schematic diagram showing the back structure of a preferred embodiment of a mobile terminal for capturing a VR image.
  • the mobile terminal 100 includes two cameras (110, 120) and two cameras (110, 120). ) respectively, are mounted on the surface of the mobile terminal housing 130.
  • the line 102 at the center of the two cameras (110, 120) is parallel to the top edge of the mobile terminal housing 130.
  • the line 102 at the center of the two cameras (110, 120) may also be parallel to the sides of the mobile terminal housing 130.
  • the schematic diagram will not be used here.
  • the physical characteristics of the two cameras (110, 120) are the same, wherein the physical characteristics of the camera include maximum aperture, focal length, viewing angle, resolution, and the like.
  • Camera has been widely used in mobile phone photography, video conferencing, telemedicine and real-time monitoring.
  • the continuous improvement of network speed coupled with the maturity of photographic imaging device technology and the large amount of use in the manufacture of cameras, this has made its price drop to a level that ordinary people can bear.
  • the camera is divided into two categories: a digital camera and an analog camera. In the present invention, either one of them can be used.
  • the analog camera can convert the analog video signal generated by the video capture device into a digital signal, and store it in the memory of the mobile terminal 100 (not shown); the video signal captured by the analog camera must pass through a specific video capture card.
  • the analog signal is converted into a digital mode and compressed to be converted to the mobile terminal 100; the digital camera can directly capture the image and then transmit it to the mobile terminal 100.
  • the cameras on the electronics market are now dominated by digital cameras.
  • the working principle of the camera is: the optical image generated by the scene through the lens (LENS) is projected onto the surface of the image sensor, and then converted into an electrical signal, which is converted into a digital image signal by A/D (analog-to-digital conversion) and then sent to the digital signal.
  • the processing in the processor is processed and transmitted to the processor of the mobile terminal 100 through the transmission line for processing, and the image can be seen through the display screen.
  • the main structure and components of the camera can be listed: the main control chip, the sensor chip, the lens and the power supply.
  • the camera requires two working voltages inside: 3.3V and 2.5V, so a good internal power supply for the camera is also a factor in ensuring stable camera operation.
  • lens The lens is composed of a lens structure consisting of several lenses, usually a plastic lens or a glass lens.
  • the lens structure for the camera is: 1P, 2P, 1G1P, 1G2P, 2G2P, 4G, and the like.
  • the sensor chip SENSOR
  • CCD Charge Coupled Device, charge coupled component
  • CMOS Complementary Metal-Oxide Semiconductor, metal oxide semiconductor devices
  • the advantages of CCD are high sensitivity, low noise, and large signal-to-noise ratio.
  • CMOS complementary metal-oxide-semiconductor
  • the production process is complicated, the cost is high, and the power consumption is high.
  • the advantages of CMOS are high integration, low power consumption (less than 1/3 of CCD), and low cost.
  • the noise is relatively large, the sensitivity is low, and the light source is required to be high.
  • the imaging of the CCD under the same pixel tends to be very good in transparency and sharpness, and the color reproduction and exposure can be basically accurate.
  • the CMOS products are generally transparent, and the color reproduction ability of the real object is weak, and the exposure is not very good.
  • a camera of a CCD sensor chip is preferred.
  • the main parameters of the camera are described below.
  • Maximum aperture The true value of the maximum aperture is reflected in the amount of light that the surveillance camera increases in low light conditions to achieve the optimal exposure combination.
  • the lens with the largest aperture can bring a faster shutter speed;
  • the focal length The focal length is actually the viewing angle problem, and the focal length is different.
  • the two cameras (110, 120) in the embodiment of the present invention are controlled by the processor of the mobile terminal 100 in a synchronous manner, that is, synchronously controlling the start and stop of shooting of the two cameras, so as to ensure that the shooting is satisfied.
  • VR image required for synchronization (guarantee the screen synchronization seen during playback and left and right eyes).
  • the mobile terminal 100 is internally provided with a position sensor (not shown) for detecting whether the center position connection 102 of the two cameras is within a preset range of the imageable VR image, and the position sensor may be external.
  • the center position of the two cameras (110, 120) is preset to a range of angles of the recordable VR image of the camera 102: an angle of ⁇ 10 degrees from the horizontal line.
  • the center position distance D of the two cameras (110, 120) is 3-15 cm. Further preferably, the range D is 5.5 to 7.5 cm, and the center position distance D of the two cameras (110, 120) is preferably 6.5 cm.
  • the mobile terminal 100 further includes an indicator light 150.
  • the indicator light 150 is embedded on the surface of the outer casing 130 of the mobile terminal, and is used to indicate whether the center position connection 102 of the two cameras (110, 120) is preset. Shoot the VR image within the tilt angle range.
  • the indicator light 150 when the position sensor detects that the center position connection 102 of the two cameras (110, 120) is within the preset range of the recordable VR image, the indicator light 150 emits green light; and when the position sensor detects two When the center position connection 102 of the camera (110, 120) is not within the preset angle range of the recordable VR image, the indicator light 150 emits red light, and the mobile terminal 100 can emit a "drip" sound to It is suggested that the current posture cannot capture the VR image that satisfies the requirements, and the user swings the mobile terminal 100 so that the center position of the two cameras (110, 120) is close to the horizontal direction 102.
  • the images taken by the two cameras (110, 120) are displayed on the display screen of the mobile terminal 100 in a split screen manner.
  • the picture taken by the left camera 110 is displayed on the left side of the display screen, and the picture taken by the right side camera 110 is correspondingly displayed on the right side of the display screen.
  • the two sides of the picture correspond to the left and right sides of the person respectively. eye.
  • the mobile terminal 100 is further provided with an image transmission interface 160, which is embedded in the outer edge of the mobile terminal 100 for signal transmission connection with an external camera. Specific structural features will be described in detail in subsequent embodiments.
  • the mobile terminal for capturing a VR image is provided with two cameras on the mobile terminal, and the following conditions are ensured: 1.
  • the connection between the center positions of the two cameras is substantially in a horizontal position; 2.
  • the physical characteristics of the two cameras are the same; 3.
  • the two cameras are controlled by synchronous driving; and 4, the distance between the two cameras is the same as the distance between the human eyes.
  • the VR image can be captured by the mobile terminal by satisfying the above conditions.
  • the mobile terminal can be a portable electronic device for people's commonly used mobile phones and tablet computers, which can greatly facilitate the shooting of VR images, and is simple in operation and low in cost, and is beneficial to the promotion of the VR industry.
  • FIG. 2 is a front structural diagram of a preferred embodiment of a VR image capturing apparatus according to the present invention.
  • the photographing apparatus 200 includes but is not limited to the following structural units: two camera units (210, 220) and signal transmission connection terminals. 230.
  • the two camera units (210, 220) are slidably coupled by the slide assembly 240 to adjust the distance H between the two camera units (210, 220).
  • the sliding assembly 240 can adjust the distance H between the two camera units (210, 220) to be in the range of 3-15 cm.
  • FIG. 3 is a front structural view showing another state of the two imaging units of the imaging device
  • FIG. 4 is a schematic rear structural view of the VR image capturing device in the embodiment of FIG.
  • the sliding frame 240 includes a supporting frame 241 and a guide rail 242 disposed inside the supporting frame 241 and fixedly connected to the inner side wall of the supporting frame 241.
  • the sliding rail 242 is provided with two sliding blocks 243 for sliding connection. Blocks 243 are respectively connected to a camera unit (210, 220).
  • the camera unit (210, 220) includes a camera 201 and a camera mount 202.
  • the camera mount 202 is used to fix the camera 201 and is fixedly connected to the slider 243.
  • the physical characteristics of the two cameras 201 are the same, wherein the physical characteristics of the camera include maximum aperture, focal length, viewing angle, resolution, and the like.
  • the outer side edge of the camera holder 202 is provided with a latching protrusion 2021.
  • the side of the support frame 241 is provided with a plurality of latching slots 2411 that cooperate with the latching protrusions 2021.
  • the slot 2411 cooperates to realize the positioning of the camera mount 202 to the different positions of the support frame 241, thereby realizing the adjustment of the distance H between the two cameras.
  • the signal transmission connection terminal 230 is connected to the image transmission interface 160 on the mobile terminal 100 for transmitting the VR image captured by the camera unit to the mobile terminal 100, and transmits the mobile terminal 100 to issue two camera units (210, 220) to the camera. Synchronous drive control signal.
  • the camera device 200 further includes a position sensing component 250 that is fixedly coupled to the edge of the support frame 241.
  • the position sensing component 250 is configured to detect whether the center positions of the two camera units (210, 220) are connected.
  • the detection signal of the position sensing component 250 is transmitted to the mobile terminal 100 through the signal transmission connection terminal 230 within a preset tilt range of the recordable VR image.
  • the position sensing assembly 250 includes a fixed housing 251 and a position sensor (not shown) disposed inside the fixed housing 251.
  • the fixed housing 251 is fixedly coupled to the edge of the support frame 241.
  • the position sensor can be a level or a gyroscope, etc., and is beyond the scope of those skilled in the art, and will not be enumerated here.
  • the position sensing component 250 further includes an indicator light 252 that is mounted on the outer surface of the fixed housing 251 for indicating whether the center position connection 222 of the two camera units (210, 220) is in advance. Set the VR image within the tilt angle range.
  • the indicator light 252 when the position sensing component 250 detects that the center position connection 222 of the two camera units (210, 220) is within the preset range of the recordable VR image, the indicator light 252 emits green light; When the sensing component 250 detects that the center position connection 222 of the two camera units (210, 220) is not within the preset angle range of the recordable VR image, the indicator light 252 emits red light, and the mobile terminal 100 can issue a "drop" The sound of the "drip" indicates that the current posture cannot capture the VR image that satisfies the requirements, and the user swings the mobile terminal 100 so that the center position line 222 of the two imaging units (210, 220) is close to the horizontal direction. In order to meet the shooting requirements.
  • the center position of the two camera units (210, 220) is preset to a range of angles of the recordable VR image that is ⁇ 10 degrees from the horizontal line.
  • the center position distance H of the two camera units (210, 220) is 3-15 cm.
  • the range H is 5.5-7.5 cm, and the center position distance H of the two camera units (210, 220) The best value is 6.5cm.
  • the photographing device realizes the sliding connection between the two camera units by setting the structure of the sliding component, thereby achieving the purpose of adjusting the distance between the two camera units; and the horizontal sensor is provided to ensure the center of the two camera units during the shooting process.
  • the position connection is within the preset range of the VR image tilt angle ( ⁇ 10 degrees from the horizontal line); the camera has a simple structure and low cost, and can be worn on the head or clamped in the mobile terminal during use.
  • the superior position after the signal transmission connection terminal is connected with the mobile terminal, can realize the shooting of the VR image, which is beneficial to the promotion and popularization of the VR industry to a large extent.
  • the VR image capturing system provided by the embodiment of the present invention, by connecting an external dual camera structure on the mobile terminal, one of the mobile terminal's own camera and the external camera can be selected and used as a shooting VR image for use.
  • the connection can be realized, and the external camera can be controlled through the mobile terminal, and the structure is simple and the operation is convenient.

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Abstract

La présente invention porte sur un terminal mobile utilisé pour photographier une image VR, et sur un système de photographie d'image VR associé ; ledit terminal mobile comprend deux caméras ; les deux caméras sont incorporées dans la surface du boîtier extérieur du terminal mobile et la ligne reliant les positions centrales des deux caméras est parallèle au bord supérieur ou au bord latéral du terminal mobile ; les deux caméras ont des caractéristiques physiques identiques et sont commandées de manière synchronisée par un processeur du terminal mobile ; le terminal mobile est doté à l'intérieur d'un capteur de position ; le capteur de position est utilisé pour détecter si la ligne reliant les positions centrales des deux caméras se trouve dans une plage d'angle d'inclinaison dans laquelle il est possible de photographier une image VR, l'image photographiée par les deux caméras étant affichée en mode écran partagé sur l'écran d'affichage du terminal mobile. Le terminal mobile possède deux caméras disposées sur celui-ci ; lorsque les deux caméras satisfont aux conditions de niveau de position, de commande synchronisée, de caractéristiques physiques identiques, et que la distance est identique à la distance à l'œil humain, il est possible de photographier une image VR, la structure est simple et le fonctionnement est pratique.
PCT/CN2016/091582 2016-07-25 2016-07-25 Terminal mobile utilisé pour photographier une image vr et système de photographie d'image vr associé WO2018018365A1 (fr)

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