CN108717326A - A kind of anti-tampering gesture identification method and AR glasses based on AR glasses - Google Patents
A kind of anti-tampering gesture identification method and AR glasses based on AR glasses Download PDFInfo
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- CN108717326A CN108717326A CN201810450287.6A CN201810450287A CN108717326A CN 108717326 A CN108717326 A CN 108717326A CN 201810450287 A CN201810450287 A CN 201810450287A CN 108717326 A CN108717326 A CN 108717326A
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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
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Abstract
The present invention discloses a kind of anti-tampering gesture identification method and AR glasses, method based on AR glasses：According to flight time TOF device array, the specific distance for the target gesture that is taken is calculated；Be arranged target gesture to AR glasses distance and the calculated target gesture that is taken it is specific apart from equal；The image of the target gesture that is taken of camera acquisition is obtained, and determines the image depth information for the target gesture that is taken according to the specific distance；According to the image depth information of the target gesture that is taken of the determination, the gesture information of the target gesture is identified；To reach the ranging attribute realized with flight time TOF device array, pass through the distance of setting target gesture to AR glasses, come violate-action caused by avoiding the remote or industry spot moving object of short distance, the problem of meeting industry spot application demand realizes the smooth of AR glasses human-computer interactions.
Description
Technical field
The present invention relates to AR optometric technologies field more particularly to a kind of anti-tampering gesture identification methods based on AR glasses
And AR glasses.
Background technology
The human-computer interaction of existing AR glasses is to influence a critical issue of products application.Common man-machine interaction mode,
For example mouse-keyboard, the traditional approach such as touch tablet show wearable device very big drawback.The interaction of existing AR glasses
The mode that mode mostly uses gesture identification carries out human-computer interaction, and the mode of common gesture identification is the camera by AR glasses
Image algorithm identification gesture motion is done, operational order is obtained, realizes that human-computer interaction, the mode of this gesture identification face industry now
Field has the interference that moving object and machine run are brought, man-machine interaction mode to have some setbacks.
Invention content
The present invention provides a kind of anti-tampering gesture identification method and AR glasses based on AR glasses, to solve existing skill
The mode of art gesture identification faces the interference that industry spot has moving object and machine run to bring, and man-machine interaction mode has some setbacks
The technical issues of.
In order to solve the above technical problems, the present invention provides a kind of anti-tampering gesture identification method based on AR glasses, institute
It includes camera, flight time TOF device array to state AR glasses, including：
According to flight time TOF device array, the specific distance for the target gesture that is taken is calculated；
Be arranged target gesture to AR glasses distance and the calculated target gesture that is taken it is specific apart from equal；
The image of the target gesture that is taken of camera acquisition is obtained, and the target that is taken is determined according to the specific distance
The image depth information of gesture；
According to the image depth information of the target gesture that is taken of the determination, the gesture letter of the target gesture is identified
Breath.
Wherein, described that the specific distance for the target gesture that is taken is calculated according to flight time TOF device array, including：
When detecting that flight time TOF device array receives the near infrared light through the target gesture reflection that is taken, calculate
Near infrared light is from the time difference for being emitted to reception, and according to the time difference, the target gesture that is taken described in calculating it is specific away from
From.
Wherein, described according to flight time TOF device array, calculating is taken before the specific distance of target gesture,
Further include：
Near infrared light is modulated, and is launched the near infrared light of the modulation by flight time TOF device array.
Wherein, described to detect that flight time TOF device array receives the near-infrared through the target gesture reflection that is taken
Light time calculates near infrared light from the time difference for being emitted to reception, and according to the time difference, and be taken target gesture described in calculating
Specific distance, including：
Record-setting flight time TOF device arrays emit the near infrared light initial time and receive it is described reflected it is close
The receiving time of infrared light；
Driving MCU central processing units calculate the receiving time and the difference of initial time, and according to preset algorithm, calculate
Specific distance between the AR glasses and the target gesture being taken.
Wherein, the image of the target gesture that is taken for obtaining camera acquisition, and determined according to the specific distance
The image depth information of the target that is taken gesture, including：
Drive the camera action to obtain the image of the target gesture being taken；
The MCU central processing units are driven to calculate the specific distance to generate the image of the target gesture being taken
Depth information.
Wherein, the specific distance is calculated to generate the mesh being taken in the driving MCU central processing units
After the depth information for marking the image of gesture, further include：
MCU central processing units are driven to carry out the depth information of the image for the target gesture being taken described in the generation
Optimization processing obtains the data information that can be finally directly invoked by the AR glasses.
In order to solve the above technical problems, the present invention also provides a kind of AR glasses, including：
The camera of image for acquiring target gesture, for emitting near infrared light and being taken target hand described in receiving
The flight time TOF device array of the near infrared light of gesture reflection, when being connected with according to flight with flight time TOF device array
Between TOF device arrays transmitting and receive near infrared light time difference and camera acquisition the target gesture that is taken image carry out
Calculation process with determine the depth information of the image for the target gesture that is taken and identify the target gesture gesture information and
Target gesture is set to the distance of AR glasses and the specific equidistant centers MCU of the calculated target gesture that is taken
Processor.
Wherein, the MCU central processing units, are additionally operable to：
Record-setting flight time TOF device arrays emit the near infrared light initial time and receive it is described reflected it is close
The receiving time of infrared light；
Calculate the receiving time and the difference of initial time, and according to preset algorithm, calculate the AR glasses with it is described
Specific distance between the target gesture being taken.
Wherein, the MCU central processing units, are additionally operable to：
Processing is optimized to the depth information of the image for the target gesture being taken described in the generation, is obtained final
The data information that can be directly invoked by the AR glasses.
Wherein, the flight time TOF device arrays, including at least two flight time TOF devices, each flight time
TOF devices are all used to emit the near infrared light of near infrared light and the target gesture reflection that is taken described in reception.
Anti-tampering gesture identification method provided by the invention based on AR glasses, including：According to flight time TOF device
Array calculates the specific distance for the target gesture that is taken；The distance that target gesture is arranged to AR glasses calculated is clapped with this
Take the photograph the specific apart from equal of target gesture；Obtain camera acquisition the target gesture that is taken image, and according to this specifically away from
From the image depth information for determining the target gesture that is taken；According to the image depth information of the target gesture that is taken of the determination,
Identify the gesture information of the target gesture；To reach the ranging attribute realized with flight time TOF device array, by setting
Set target gesture to AR glasses distance, it is dynamic come interference caused by avoiding the remote or industry spot moving object of short distance
The problem of making, meeting industry spot application demand realizes the smooth of AR glasses human-computer interactions.
AR glasses provided by the invention, including：The camera of image for acquiring target gesture, for emitting near-infrared
The flight time TOF device array and flight time TOF device of the near infrared light of light and reception the target gesture reflection that is taken
Array is connected with according to the quilt of the transmitting of flight time TOF device array and the time difference and camera acquisition of reception near infrared light
The image of photographic subjects gesture carries out calculation process to determine the depth information of the image for the target gesture that is taken and identify the mesh
Mark gesture gesture information and setting target gesture to the distance and the calculated target gesture that is taken of AR glasses tool
The equidistant MCU central processing units of body；To reach the ranging attribute realized with flight time TOF device array, pass through
Be arranged target gesture to AR glasses distance, it is dynamic come interference caused by avoiding the remote or industry spot moving object of short distance
The problem of making, meeting industry spot application demand realizes the smooth of AR glasses human-computer interactions.
Description of the drawings
Fig. 1 is that the present invention is based on the flow diagrams of the anti-tampering gesture identification method of AR glasses；
Fig. 2 is the structural schematic diagram of AR glasses of the present invention；
Fig. 3 is the form schematic diagram of AR glasses of the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is described in further detail.It is emphasized that following implement
Example is merely to illustrate the present invention, but is not defined to the scope of the present invention.Likewise, following embodiment is only the portion of the present invention
Point embodiment and not all embodiments, the institute that those of ordinary skill in the art are obtained without creative efforts
There are other embodiments, shall fall within the protection scope of the present invention.
The present invention provides a kind of anti-tampering gesture identification method based on AR glasses.
Fig. 1 is referred to, Fig. 1 is to be somebody's turn to do the present invention is based on the flow diagram of the anti-tampering gesture identification method of AR glasses
AR glasses include camera, flight time TOF device array, the present invention is based on the anti-tampering gesture identification method of AR glasses,
Including：
S101：According to flight time TOF device array, the specific distance for the target gesture that is taken is calculated.
S102：Be arranged target gesture to AR glasses distance and the calculated target gesture that is taken it is specific apart from phase
Deng.
S103：The image of the target gesture that is taken of camera acquisition is obtained, and is taken according to the specific distance determination
The image depth information of target gesture.
S104：According to the image depth information of the target gesture that is taken of the determination, the gesture letter of the target gesture is identified
Breath.
Wherein, according to flight time TOF device array, the specific distance for the target gesture that is taken is calculated, including：
When detecting that flight time TOF device array receives the near infrared light through the target gesture reflection that is taken, calculate
Near infrared light calculates the specific distance of the target gesture that is taken from the time difference for being emitted to reception, and according to the time difference.
Wherein, according to flight time TOF device array, calculating is taken before the specific distance of target gesture, also wraps
It includes：
Near infrared light is modulated, and is launched the near infrared light of the modulation by flight time TOF device array.
Wherein, when detecting that flight time TOF device array receives the near infrared light through the target gesture reflection that is taken,
Near infrared light is calculated from the time difference for being emitted to reception, and according to the time difference, calculate the target gesture that is taken it is specific away from
From, including：
Record-setting flight time TOF device arrays emit the initial time of the near infrared light and receive the near-infrared reflected
The receiving time of light；
Driving MCU central processing units calculate the receiving time and the difference of initial time, and according to preset algorithm, and calculating should
Specific distance between AR glasses and the target gesture being taken.
Wherein, the image of the target gesture that is taken of camera acquisition is obtained, and is taken according to the specific distance determination
The image depth information of target gesture, including：
Drive camera action to obtain the image of the target gesture being taken；
The MCU central processing units are driven to calculate the specific distance to generate the depth of the image for the target gesture that this is taken
Information.
Wherein, the MCU central processing units are being driven to calculate the specific distance to generate the figure for the target gesture that this is taken
After the depth information of picture, further include：
Driving MCU central processing units optimize the depth information of the image of the target gesture being taken of the generation
Processing, obtains the data information that can be finally directly invoked by the AR glasses.
The present invention also provides a kind of AR glasses.
Fig. 2 and Fig. 3 are referred to, Fig. 2 is the structural schematic diagram of AR glasses of the present invention, and Fig. 3 is the form of AR glasses of the present invention
Schematic diagram, AR glasses of the present invention, including：
The camera 201 of image for acquiring target gesture, for emitting near infrared light and receiving the target that is taken
The flight time TOF device array 202 of the near infrared light of gesture reflection is connected with flight time TOF device array 202 with root
Emit and receive the target that is taken of the time difference and the acquisition of camera 201 of near infrared light according to flight time TOF device array 202
The image of gesture carries out calculation process to determine the depth information of the image for the target gesture that is taken and identify the target gesture
Gesture information and setting target gesture to AR glasses distance and the calculated target gesture that is taken it is specific apart from phase
Deng MCU central processing units 203.
Wherein, MCU central processing units 203, are additionally operable to：
Record-setting flight time TOF device arrays 202 emit the near infrared light initial time and receive this reflected it is close
The receiving time of infrared light；
The receiving time and the difference of initial time are calculated, and according to preset algorithm, calculates the AR glasses and be taken with this
Target gesture between specific distance.
Wherein, MCU central processing units 203, are additionally operable to：
Processing is optimized to the generation this depth information of the image of target gesture for being taken, obtaining finally can quilt
The data information that the AR glasses directly invoke.
Wherein, as shown in figure 3, flight time TOF device array 202, including at least two flight time TOF devices, often
The near infrared light that a flight time TOF devices are all used to emit near infrared light and receive the target gesture reflection that is taken.
Anti-tampering gesture identification method provided by the invention based on AR glasses, including：According to flight time TOF device
Array calculates the specific distance for the target gesture that is taken；The distance that target gesture is arranged to AR glasses calculated is clapped with this
Take the photograph the specific apart from equal of target gesture；Obtain camera acquisition the target gesture that is taken image, and according to this specifically away from
From the image depth information for determining the target gesture that is taken；According to the image depth information of the target gesture that is taken of the determination,
Identify the gesture information of the target gesture；To reach the ranging attribute realized with flight time TOF device array, by setting
Set target gesture to AR glasses distance, it is dynamic come interference caused by avoiding the remote or industry spot moving object of short distance
The problem of making, meeting industry spot application demand realizes the smooth of AR glasses human-computer interactions.
AR glasses provided by the invention, including：The camera of image for acquiring target gesture, for emitting near-infrared
The flight time TOF device array and flight time TOF device of the near infrared light of light and reception the target gesture reflection that is taken
Array is connected with according to the quilt of the transmitting of flight time TOF device array and the time difference and camera acquisition of reception near infrared light
The image of photographic subjects gesture carries out calculation process to determine the depth information of the image for the target gesture that is taken and identify the mesh
Mark gesture gesture information and setting target gesture to the distance and the calculated target gesture that is taken of AR glasses tool
The equidistant MCU central processing units of body；To reach the ranging attribute realized with flight time TOF device array, pass through
Be arranged target gesture to AR glasses distance, it is dynamic come interference caused by avoiding the remote or industry spot moving object of short distance
The problem of making, meeting industry spot application demand realizes the smooth of AR glasses human-computer interactions.
It is logical to solve existing AR glasses for anti-tampering gesture identification method and AR glasses provided by the invention based on AR glasses
Camera collection image information is crossed, carrying out gesture identification interactive operation by recognizer is easy to be asked by what industry spot was interfered
Topic.
Anti-tampering gesture identification method and AR glasses provided by the invention based on AR glasses, by it is multiple (2 and with
On) flight time TOF device composition array format, realize have the function of three-dimension gesture identification, to the interaction for AR glasses
A kind of reliable approach is provided.
Anti-tampering gesture identification method and AR glasses provided by the invention based on AR glasses, the flight time of use
There are two crucial constraints for the mode of TOF device array rangings：
First, sending device must be synchronous always with receiving device；
Second is that receiving device provides the length of the transmission time of signal；
In order to realize clock synchronize, the present invention using the device array ranging of flight time TOF by the way of using include when
Clock offset solves the scheme of clock synchronization issue.
Anti-tampering gesture identification method and AR glasses provided by the invention based on AR glasses, flight time therein
A kind of realization method of TOF device arrays is to be respectively placed in camera or so (or upper and lower) using 2 flight time TOF devices
Both sides, the flight time TOF device used can be the newest flight time TOF signal processing ICs of Intersil ---
ISL29501 or other flight time TOF device solutions, for example, STMicw Electronics VL53L0X.
Anti-tampering gesture identification method and AR glasses provided by the invention based on AR glasses, each function module can be set
It is set to independent operating, the processing task of AR glasses can be reduced in this way, the occupancy to memory and consumption is reduced, one can be used
MCU central processing units handle the information of flight time TOF device array in real time, and by handling result by regulation data construction packages
It is reported to memory use.
Anti-tampering gesture identification method and AR glasses provided by the invention based on AR glasses, MCU central processing units pair
The information data that flight time TOF device array reports is optimized and is handled, while using arithmetic analysis image gesture, is obtained
The data finally directly invoked for AR glasses.
Anti-tampering gesture identification method and AR glasses provided by the invention based on AR glasses can use 2 meaning methods
The flight time TOF device VL53L0X of semiconductor is individually positioned in AR glasses cameras or so or upper and lower both sides, two flights
The centre distance of time TOF device can be 35mm.
In several embodiments provided by the present invention, it should be understood that disclosed system, device and method can
To realize by another way.For example, device embodiments described above are only schematical, for example, module or
The division of unit, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute
Display or the mutual coupling, direct-coupling or communication connection discussed can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, and be shown as unit
Component may or may not be physical unit, you can be located at a place, or may be distributed over multiple networks
On unit.Some or all of unit therein can be selected according to the actual needs to realize the mesh of present embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also may be used
It, can also be during two or more units be integrated in one unit to be that each unit physically exists alone.It is above-mentioned integrated
The form that hardware had both may be used in unit is realized, can also be realized in the form of SFU software functional unit.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) or processor (processor) execute each implementation of the present invention
The all or part of step of methods.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. it is various
The medium of program code can be stored.
The foregoing is merely the section Examples of the present invention, are not intended to limit protection scope of the present invention, every utilization
Equivalent device or equivalent process transformation made by description of the invention and accompanying drawing content are applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of anti-tampering gesture identification method based on AR glasses, the AR glasses include camera, flight time TOF device
Part array, which is characterized in that including：
According to flight time TOF device array, the specific distance for the target gesture that is taken is calculated；
Be arranged target gesture to AR glasses distance and the calculated target gesture that is taken it is specific apart from equal；
The image of the target gesture that is taken of camera acquisition is obtained, and the target gesture that is taken is determined according to the specific distance
Image depth information；
According to the image depth information of the target gesture that is taken of the determination, the gesture information of the target gesture is identified.
2. the anti-tampering gesture identification method based on AR glasses as described in claim 1, which is characterized in that the basis flies
Row time TOF device arrays calculate the specific distance for the target gesture that is taken, including：
When detecting that flight time TOF device array receives the near infrared light through the target gesture reflection that is taken, calculate close red
Outer light is from the time difference for being emitted to reception, and according to the time difference, the specific distance for the target gesture that is taken described in calculating.
3. the anti-tampering gesture identification method based on AR glasses as claimed in claim 2, which is characterized in that in the basis
Flight time TOF device array, calculating are taken before the specific distance of target gesture, further include：
Near infrared light is modulated, and is launched the near infrared light of the modulation by flight time TOF device array.
4. the anti-tampering gesture identification method based on AR glasses as claimed in claim 3, which is characterized in that described to detect
When flight time TOF device array receives the near infrared light through the target gesture reflection that is taken, near infrared light is calculated from transmitting
To the time difference of reception, and according to the time difference, the specific distance for the target gesture that is taken described in calculating, including：
Record-setting flight time TOF device arrays emit the initial time of the near infrared light and receive the near-infrared reflected
The receiving time of light；
Driving MCU central processing units calculate the receiving time and the difference of initial time, and according to preset algorithm, described in calculating
Specific distance between AR glasses and the target gesture being taken.
5. the anti-tampering gesture identification method as described in claim 1 or 4 based on AR glasses, which is characterized in that described to obtain
The image of the target gesture that is taken of camera acquisition is taken, and determines the image for the target gesture that is taken according to the specific distance
Depth information, including：
Drive the camera action to obtain the image of the target gesture being taken；
The MCU central processing units are driven to calculate the specific distance to generate the depth of the image of the target gesture being taken
Spend information.
6. the anti-tampering gesture identification method based on AR glasses as claimed in claim 5, which is characterized in that in the driving
The MCU central processing units calculate the specific distance with generate the target gesture being taken image depth information it
Afterwards, further include：
Driving MCU central processing units optimize the depth information of the image for the target gesture being taken described in the generation
Processing, obtains the data information that can be finally directly invoked by the AR glasses.
7. a kind of AR glasses, which is characterized in that including：
The camera of image for acquiring target gesture, for emitting near infrared light and the target gesture that is taken described in receiving is anti-
The flight time TOF device array for the near infrared light penetrated is connected with flight time TOF device array with according to the flight time
TOF device arrays emit and receive the time difference of near infrared light and the image of the target gesture that is taken of camera acquisition is transported
Processing is calculated to determine the depth information of the image for the target gesture that is taken and the gesture information of the identification target gesture and set
Set target gesture to the distance and the calculated target gesture that is taken of AR glasses specific equidistant MCU centres
Manage device.
8. AR glasses as claimed in claim 7, which is characterized in that the MCU central processing units are additionally operable to：
Record-setting flight time TOF device arrays emit the initial time of the near infrared light and receive the near-infrared reflected
The receiving time of light；
The receiving time and the difference of initial time are calculated, and according to preset algorithm, calculates the AR glasses and is clapped with described
Specific distance between the target gesture taken the photograph.
9. AR glasses as claimed in claim 7, which is characterized in that the MCU central processing units are additionally operable to：
Processing is optimized to the depth information of the image for the target gesture being taken described in the generation, obtaining finally can quilt
The data information that the AR glasses directly invoke.
10. the AR glasses as described in claim 7 to 9 any one, which is characterized in that the flight time TOF device arrays,
Including at least two flight time TOF devices, each flight time TOF devices are for emitting near infrared light and receiving the quilt
The near infrared light of photographic subjects gesture reflection.
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Cited By (1)
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| CN116009275A (en) * | 2022-12-30 | 2023-04-25 | 福州大学 | Naked eye 3D display device capable of recognizing dynamic gestures |
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Application publication date: 20181030 |