WO2019018992A1 - Procédé de reconnaissance de geste, dispositif pouvant être porté sur la tête et appareil de reconnaissance de geste - Google Patents

Procédé de reconnaissance de geste, dispositif pouvant être porté sur la tête et appareil de reconnaissance de geste Download PDF

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Publication number
WO2019018992A1
WO2019018992A1 PCT/CN2017/094175 CN2017094175W WO2019018992A1 WO 2019018992 A1 WO2019018992 A1 WO 2019018992A1 CN 2017094175 W CN2017094175 W CN 2017094175W WO 2019018992 A1 WO2019018992 A1 WO 2019018992A1
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WO
WIPO (PCT)
Prior art keywords
light
grid
gesture recognition
wearable device
reflecting member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/094175
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English (en)
Chinese (zh)
Inventor
古向楠
谢俊
赵聪
徐培辰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Royole Technologies Co Ltd
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Shenzhen Royole Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Priority to CN201780060310.4A priority Critical patent/CN109791439A/zh
Priority to PCT/CN2017/094175 priority patent/WO2019018992A1/fr
Publication of WO2019018992A1 publication Critical patent/WO2019018992A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer

Definitions

  • the present invention relates to gesture recognition technology, and more particularly to a gesture recognition method, a head wearable device, and a gesture recognition device.
  • the gesture recognition in the existing virtual reality system generally collects images through the imaging device, then processes the images, and recognizes the gestures through the pattern recognition algorithm.
  • the algorithms involved are high in requirements, large in computation, and difficult to implement.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention needs to provide a gesture recognition method, a head wearable device, and a gesture recognition device.
  • the gesture recognition method includes the following steps:
  • the head wearable device comprising a body and a light sensor disposed on a surface of the head wearable device body, the light sensors being arranged in an array, each The light sensor includes a light emitter for emitting a light beam and a light detector, the light beam forming a grid on a projected light spot on a spatial plane intersecting all of the light beams;
  • a head wearable device includes:
  • the light reflecting member being disposed separately from the body
  • Photosensors disposed on the surface of the body and arranged in an array, each of the lights
  • the sensor includes a light emitter for emitting a light beam, the light beam forming a grid of projected light spots on a spatial plane intersecting all of the light beams, the light detector for reflecting at the light A component detects a intensity of light reflected by the light beam emitted by the corresponding light emitter through the light emitting component when the component acts on the spatial plane to detect a position of the light reflecting component on the grid.
  • each of the light sensors comprising a light emitter for emitting a light beam and a light beam forming a web on a spatial plane intersecting all of the light beams
  • the photodetector is configured to detect, when the light reflecting component acts on the spatial plane, an intensity of light reflected by the corresponding light emitter emitted by the light emitting component to detect the light.
  • the position of the light reflecting member on the grid is configured to detect, when the light reflecting component acts on the spatial plane, an intensity of light reflected by the corresponding light emitter emitted by the light emitting component to detect the light.
  • the gesture recognition method, the head wearable device and the gesture recognition device of the embodiments of the present invention can determine the gesture position by the light sensor and the light reflection component, and provide a basis for the gesture interaction in the virtual reality system, and the implementation method is simple and accurate. .
  • FIG. 1 is a schematic flow chart of a gesture recognition method according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a gesture recognition apparatus according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a head wearable device according to an embodiment of the present invention.
  • FIG. 4 is a schematic view showing a state of use of a head wearable device according to some embodiments of the present invention.
  • FIG. 5 is a schematic diagram of a scenario of a gesture recognition method according to some embodiments of the present invention.
  • FIG. 6 is a schematic diagram of a scenario of a gesture recognition method according to some embodiments of the present invention.
  • FIG. 7 is a schematic diagram of a scenario of a gesture recognition method according to some embodiments of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.
  • a gesture recognition method includes the following steps:
  • the gesture recognition apparatus 1000 of the embodiment of the present invention includes a light reflecting component 100 and a head wearable device 200 .
  • the head wearable device 200 includes a body 210 and a light sensor 220.
  • the head wearable device 200 further includes a display, the display is disposed in the body 210, the user wears the head wearable device 200 through the head beam and the like, and the body 210 is placed on the eye, and the user views the display content through the display, and the display content may come from The head wearable device 200 or an external device connected to the head wearable device 200.
  • the light sensor 220 device is on the front surface of the body 210, which is the surface on the side opposite the face after the device is worn.
  • Each of the light sensors 220 includes a light emitter and a light detector.
  • the light emitters and the light detectors have the same frequency band of light, which ensures that the light detector can emit the light emitting component that is reflected by the light reflecting component 100. Beam.
  • light sensor 220 includes an infrared sensor 220 and light reflective component 100 includes an infrared reflective component 100.
  • Infrared light concentration is not easy to spread, and the realization is good and the cost is low.
  • beams of other frequency bands can also be used, and no limitation is imposed here.
  • the infrared sensor 220 includes a plurality of arrays, each of which includes an infrared emitter and an infrared detector.
  • the infrared emitter is used to emit an infrared beam, and the array of infrared beams can be effectively used.
  • a spot is formed on the vertical space plane within the distance to form a grid.
  • the spatial plane needs to intersect all the infrared beams so that each infrared light can form a projection spot in the spatial plane, or the spatial plane is parallel to the plane of the user's face.
  • the spatial plane can be any virtual plane within the effective range of the infrared beam.
  • the infrared reflecting component 100 is for reflecting an infrared beam
  • the infrared detector of the infrared sensor 220 is for receiving infrared light reflected by the infrared reflecting component 100 to detect the position of the infrared reflecting component on the grid.
  • the infrared reflective component 100 can be hand held or worn on a hand, such as a bracelet or a finger loop or the like.
  • the skin of the user's limbs can also reflect infrared light
  • the effectiveness of the reflected infrared light can be judged by setting the threshold of the reflected light intensity, that is, Only when the intensity of the infrared reflected light is greater than the threshold value indicates that the user operates on the current location.
  • the infrared reflective component 100 has a greater reflectivity to the infrared beam than the skin's reflectance to the infrared light, thereby increasing the intensity of the infrared light, for example, on the ring or
  • the outer surface of the device such as the wristband is plated with an infrared reflective film. In this way, the reflection operation for the infrared light can be accurately detected, and the interference caused by the reflection of the infrared light by other reflectors can be avoided.
  • the gesture recognition method of the embodiment of the present invention may be implemented by the gesture recognition apparatus 1000 of the embodiment of the present invention and applied to the head wearable device 200.
  • the step S20 of the control mode of the embodiment of the present invention may be implemented by the head wearable device 200, or the head wearable device 200 is configured to detect the corresponding light emitter emission when the infrared reflective component 100 acts on the spatial plane. The intensity of the light reflected back by the light reflecting member is detected to detect the position of the light reflecting member 100 on the grid.
  • gestures In the virtual reality system, in order to enhance the user experience, it is necessary to interact with the display content through gestures.
  • the recognition of the gesture is generally performed by the imaging device, and the gestures are recognized by algorithms such as pattern recognition by means of peripherals with strong computing power.
  • the algorithm for gesture recognition is usually required to be high, and the amount of calculation is large, which is difficult to implement.
  • the light sensor 220 and the light reflecting component 100 cooperate with each other to determine the gesture position, or the position of the light reflecting component 100 in the grid, for gesture interaction in the virtual reality system, such as selecting or Sliding and other interactions provide the basis for simple implementation and accurate identification.
  • the light reflecting component 100 is also operative to receive user input for interaction in a virtual reality system.
  • the light reflecting member 100 When the light reflecting member 100 is a smart wearable device such as a wristband or a ring, when the effectively reflected light beam is detected by the light detector, the light reflecting member 100 can be considered to operate at a corresponding position on the grid, for example, a selection operation indicates The user will be operating on the corresponding area of the display of the display.
  • the light reflecting component 100 can receive an interactive operation such as a click, a double tap, or the like in a virtual reality system by a user such as a touch, a long press, or the like.
  • the user input operation and the corresponding interaction operation are not limited to the manner disclosed in the embodiment.
  • the front surface of the body 210 is a curved surface
  • the light sensor includes an infrared sensor
  • the infrared sensor forms a curved array
  • the infrared sensor 220 forms a curved array, and the emitted infrared light beam is divergent, which increases the space of the mesh and is convenient for the user to operate.
  • the gesture recognition method further includes the steps of:
  • the corresponding selected display area is determined according to the position of the light reflecting member on the grid.
  • the head wearable device 200 further includes a display and a processor.
  • the ratio of the grid is the same as the display ratio of the display, and the position on the grid is mapped to the display area of the display.
  • the processor may be a combination of one or more of a CPU and a GPU, and is not limited herein.
  • the step of determining the corresponding selected display area according to the position of the light reflecting member on the grid may be implemented by a processor, or the processor may be configured to determine a corresponding selected display area according to the position of the light reflecting part 100 on the grid.
  • the grid formed by the projection of the light beam in space is associated with the display area of the display.
  • the scale of the grid is the same as the display ratio of the display, and the display area is mapped one by one with the grid position.
  • the display ratio of the display is 16:9
  • the ratio of the grid is also 16:9. That is to say, the grid formed by the beam is to enlarge the display area of the display to facilitate the operation of the user in the grid.
  • the position is accurately mapped to the display. If the light sensor is in an array of 10*4, the mesh formed will also be 10*4.
  • Each grid includes a projection spot formed by a beam. Thus, each light sensor corresponds to one. grid.
  • the display area is also divided into 10*4 sub-areas, and each sub-area corresponds to one grid.
  • the operation position in the display area can be known. Provides the foundation for interaction with the display.
  • the gesture recognition method further includes the steps of:
  • the user operation of the corresponding display area is determined according to the positional change of the light reflecting member on the grid.
  • the step of determining a user operation of the corresponding display area based on a change in position of the light reflecting member on the grid may be implemented by a processor, or the processor may be configured to position the light reflecting member 100 on the grid.
  • the change determines the user action corresponding to the display area.
  • the selected operation further detects the user's gestures, such as dragging, sliding, etc., when the position of the light reflecting member 100 on the grid changes, thereby determining user operations to achieve interaction corresponding to the corresponding display regions.
  • the light is selected as the infrared light, that is, the light reflecting component 100 is an infrared emitting component, and the light sensor 220 is an infrared light sensor.
  • the grid is mapped to the display area, and the grid corresponds to the virtual keyboard of the display area.
  • the infrared detector detects that the intensity of the infrared light reflected back by the infrared reflecting member 100 satisfies a preset condition, it can be considered that the button corresponding to the current grid position is pressed.
  • the infrared reflecting component 100 approaches the infrared sensor 220 to a certain distance range, the infrared light is started to be reflected, and the corresponding button of the virtual keyboard can generate an animation effect or a color change, and the infrared light reflected by the infrared reflecting component 100 is closer to the infrared sensor 220.
  • the grid is mapped to the display area, and a part of the grid and the display area is used as a pattern unlocking area.
  • a 3*3 grid area in which the space plane is located in the middle is used as a virtual unlocking area in the display display area.
  • the corresponding position displays the unlocking interface.
  • the infrared reflecting component 100 approaches the infrared sensor 220 to a certain distance range, the infrared light is started to be reflected, and the button of the unlocking interface can generate an animation effect or a color change, and the infrared reflecting component 100 is reflected closer to the infrared sensor 220.
  • the greater the intensity of the infrared light the heavier the degree of color change.
  • the intensity of the reflection is greater than the threshold, the user can be considered to fully press the button, and further, the infrared reflecting member 100 is swept to other grid positions to draw a pattern.
  • a slide unlock operation similar to that on a touch screen is implemented.
  • the grid and the display area are mapped one by one, and all the grid areas can be operated when infrared
  • the reflective component 100 approaches the infrared sensor 220 to a certain distance range
  • the infrared light is started to be reflected
  • the button of the unlocking interface can generate an animation effect or a color change.
  • the degree of sliding of the display area is positively correlated with the position at which the infrared reflecting member 100 slides horizontally or vertically in the grid.
  • a gesture recognition apparatus includes a light reflecting component, a headwear device, a headwear device including a display, one or more processors, a memory, and one or more programs, the headwear device includes a light sensor, and the light sensor is disposed at The head-mounted device is arranged in an array, each light sensor comprises a light emitter and a light detector, the light emitter is used to emit a light beam, and the light beam forms a grid on a projection light plane on a spatial plane intersecting all the light beams, and the light detector is used for When the light reflecting component acts on the space plane, detecting the intensity of the light reflected by the light beam emitted by the corresponding light emitter through the light reflecting component to detect the position of the light reflecting component on the grid, and the ratio of the grid is the same as the display ratio of the display.
  • the location on the grid is mapped one-to-one with the display area of the display, one or more programs are stored in memory and configured to be executed by one or more processors.
  • the corresponding selected display area is determined according to the position of the light reflecting member on the grid.
  • the grid corresponds to a virtual keyboard displayed in the display area
  • the program is configured to perform the following steps:
  • Characters corresponding to the virtual keyboard are determined for text input based on the position of the light reflecting member on the grid.
  • the program is used to perform the following steps:
  • the head wearable device is unlocked according to a predetermined change in the position of the light reflecting member on the grid.
  • the program is used to perform the following steps:
  • the display area is slid in a changing direction according to a direction in which the position of the light reflecting member on the mesh changes.
  • the computer readable storage medium of the embodiment of the present invention has an instruction stored therein, and when the processor of the head wearable device executes the instruction, the gesture recognition apparatus performs the gesture recognition method according to the embodiment of the present invention, and the foregoing gesture recognition method,
  • the explanation of the head wearable device 200 and the gesture recognition device 1000 is also applicable to the computer readable storage medium of the embodiment of the present invention, and details are not described herein again.
  • the gesture recognition apparatus and the computer readable storage medium of the embodiments of the present invention can determine the position of the gesture by the cooperation of the light sensor and the light reflection component, and provide a basis for the gesture interaction in the virtual reality system, and the method is simple and recognized. accurate.
  • any process or method description which is described in the flowcharts or otherwise described herein, can be understood to represent an executable instruction that includes one or more steps for implementing a particular logical function or process.
  • Modules, segments or portions of code, and the scope of preferred embodiments of the invention includes additional implementations, which may not be in the order shown or discussed, including in a substantially simultaneous manner or in reverse order depending on the functionality involved. To perform the functions, this should be understood by those skilled in the art to which the embodiments of the present invention pertain.
  • a "computer-readable medium” can be any apparatus that can contain, store, communicate, propagate, or transport a program for use in an instruction execution system, apparatus, or device, or in conjunction with the instruction execution system, apparatus, or device.
  • Non-exhaustive list of computer readable media include the following: electrical connections (electronic devices) having one or more wires, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
  • electrical connections electronic devices having one or more wires
  • portable computer disk cartridges magnetic devices
  • RAM random access memory
  • ROM Read only memory
  • EPROM or flash memory erasable editable read only memory
  • CDROM portable compact disk read only memory
  • portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)
  • Position Input By Displaying (AREA)

Abstract

L'invention concerne un procédé de reconnaissance de geste, un dispositif pouvant être porté sur la tête (200) et un appareil de reconnaissance de geste (1000). Le procédé de reconnaissance de geste comprend les étapes suivantes : fournir un dispositif pouvant être porté sur la tête (200) et un composant réfléchissant la lumière (100) (S10), le dispositif pouvant être porté sur la tête (200) comprenant un corps (210) et des capteurs de lumière (220) disposés sur la surface du corps (210) du dispositif pouvant être porté sur la tête, les capteurs de lumière (220) étant agencés dans un réseau, chaque capteur de lumière (220) comprenant un émetteur de lumière et un détecteur de lumière, l'émetteur de lumière étant utilisé pour émettre des faisceaux de lumière, et les faisceaux de lumière et les points projetés sur un plan spatial que tous les faisceaux de lumière se croisent formant une grille ; et détecter, lorsque le composant réfléchissant la lumière (100) agit sur le plan spatial, l'intensité de la lumière provenant de faisceaux lumineux émis par un émetteur de lumière correspondant et réfléchie par le composant réfléchissant la lumière (100), de façon à détecter la position du composant réfléchissant la lumière (100) sur la grille (S20).
PCT/CN2017/094175 2017-07-24 2017-07-24 Procédé de reconnaissance de geste, dispositif pouvant être porté sur la tête et appareil de reconnaissance de geste Ceased WO2019018992A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780060310.4A CN109791439A (zh) 2017-07-24 2017-07-24 手势识别方法、头部可穿戴设备和手势识别装置
PCT/CN2017/094175 WO2019018992A1 (fr) 2017-07-24 2017-07-24 Procédé de reconnaissance de geste, dispositif pouvant être porté sur la tête et appareil de reconnaissance de geste

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PCT/CN2017/094175 WO2019018992A1 (fr) 2017-07-24 2017-07-24 Procédé de reconnaissance de geste, dispositif pouvant être porté sur la tête et appareil de reconnaissance de geste

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CN112083831A (zh) * 2020-08-21 2020-12-15 欧菲微电子技术有限公司 基于激光投影键盘的按键识别方法及装置
US20240045511A1 (en) * 2022-08-04 2024-02-08 Stmicroelectronics (Research & Development) Limited Three-dimensional interactive display

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CN114038063B (zh) * 2021-11-18 2025-06-20 中国航空无线电电子研究所 一种飞行员动态手势识别方法及装置

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