CN107291308A - A kind of gesture identifying device and its recognition methods - Google Patents
A kind of gesture identifying device and its recognition methods Download PDFInfo
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- CN107291308A CN107291308A CN201710619636.8A CN201710619636A CN107291308A CN 107291308 A CN107291308 A CN 107291308A CN 201710619636 A CN201710619636 A CN 201710619636A CN 107291308 A CN107291308 A CN 107291308A
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- ultrasonic sensor
- gesture
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
Abstract
This application discloses a kind of gesture identifying device and its recognition methods, including：Middle control amusement equipment, respectively positioned at the first ultrasonic sensor and the second ultrasonic sensor of middle control amusement equipment both sides, and control chip；Control chip, for controlling the first sonac and the second ultrasonic sensor by setting rotation transmitting ultrasonic wave and monitoring the ultrasonic wave that barrier is reflected back, real-time judge user gesture information, to control the corresponding function of amusement equipment real-time response in control.Due to being provided with two ultrasonic sensors in middle control amusement equipment both sides, and the effect for passing through control chip, the gesture identification of three dimensions can be realized, with number of sensors is few, cost is low, advantages of simple structure and simple, and the ultrasonic sensor used have the advantages that it is not big by illumination effect, detection range, so as to effectively detect barrier and improve the accuracy of gesture identification and the comfortableness of man-machine interaction, convenience.
Description
Technical field
The present invention relates to display field, more particularly to a kind of gesture identifying device and its recognition methods.
Background technology
The realization principle of existing gesture identification have based on infrared sensor realize, have based on camera detect, have
It is based on resistance-type, have based on capacitive.
At present, resistance-type and capacitive gesture operation, are painted on the touchscreen spy using finger or pen by user
Fixed gesture realizes, the gesture operation realized based on both principles, it is impossible to away from touch-screen every do-nothing operation；
The gesture operation realized using infrared sensor, it is possible to achieve the gesture identification of three dimensions, but due to infrared biography
Sensor is easily influenceed by ambient light, so as to influence the accuracy that gesture operation is recognized；
The mode operated using camera detection gesture, is the digital signal processor based on powerful, intergration model
Recognize that the algorithm of class, come what is realized, has the shortcomings that easily to be influenceed high with cost by ambient light.
Therefore, how easy and effective detection barrier, improve gesture identification accuracy, be those skilled in the art urgently
The technical problem of solution.
The content of the invention
In view of this, it is an object of the invention to provide a kind of gesture identifying device and its recognition methods, with sensor
Quantity is few, cost is low, advantages of simple structure and simple, can effectively detect barrier and improve the accuracy of gesture identification.Its
Concrete scheme is as follows：
A kind of gesture identifying device, including：Middle control amusement equipment, respectively positioned at the first of the middle control amusement equipment both sides
Ultrasonic sensor and the second ultrasonic sensor, and respectively with it is described it is middle control amusement equipment, first sonac
The control chip being electrically connected with second ultrasonic sensor；
The control chip, for controlling first sonac and second ultrasonic sensor suitable by setting
Sequence launches ultrasonic wave and monitors the ultrasonic wave that barrier is reflected back in turn, real-time judge user gesture information, with control it is described in
Control the corresponding function of amusement equipment real-time response.
Preferably, in above-mentioned gesture identifying device provided in an embodiment of the present invention, first sonac and
The center line of two sonacs using the middle control amusement equipment is symmetrical as symmetry axis.
Preferably, in above-mentioned gesture identifying device provided in an embodiment of the present invention, first ultrasonic sensor and
Second ultrasonic sensor is transmitting-receiving integrated cylinder shape sensor.
Preferably, in above-mentioned gesture identifying device provided in an embodiment of the present invention, first ultrasonic sensor and
The centre frequency of second ultrasonic sensor is identical.
Preferably, in above-mentioned gesture identifying device provided in an embodiment of the present invention, first ultrasonic sensor and
The angular range of the spherical ultrasonic of second ultrasonic sensor transmitting is -60 ° to 60 °.
Preferably, in above-mentioned gesture identifying device provided in an embodiment of the present invention, first ultrasonic sensor and
The coverage scope between the barrier that second ultrasonic sensor is measured is 4cm to 40cm.
Preferably, in above-mentioned gesture identifying device provided in an embodiment of the present invention, the middle control amusement equipment include receiving
Sound machine, CD or LCDs.
The embodiment of the present invention additionally provides a kind of recognition methods of above-mentioned gesture identifying device provided in an embodiment of the present invention,
Including：
First sonac and second ultrasonic sensor are controlled by setting rotation transmitting ultrasonic wave
And monitor the ultrasonic wave that barrier is reflected back；
First sonac and second ultrasonic sensor are calculated respectively between the barrier
The position of distance and the barrier；
According to the distance and the position calculated, real-time judge user gesture information；
According to the user gesture information, the middle control corresponding function of amusement equipment real-time response is controlled.
A kind of gesture identifying device provided by the present invention and its recognition methods, including：Middle control amusement equipment, are located at respectively
The first ultrasonic sensor and the second ultrasonic sensor of middle control amusement equipment both sides, and respectively with middle control amusement equipment,
The control chip that first sonac and the second ultrasonic sensor are electrically connected with；Control chip, for controlling the first ultrasound
Sensor and the second ultrasonic sensor launch ultrasonic wave by setting rotation and monitor the ultrasonic wave that barrier is reflected back, real
When judge user gesture information, with control control the corresponding function of amusement equipment real-time response.Due in middle control amusement equipment two
Side is provided with two ultrasonic sensors, and the effect for passing through control chip, it is possible to achieve the gesture identification of three dimensions, tool
Have that number of sensors is few, cost is low, advantages of simple structure and simple, and the ultrasonic sensor used have not by illumination effect,
The big advantage of detection range, so as to effective accuracy and the man-machine interaction for detecting barrier and improving gesture identification
Comfortableness, convenience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation of gesture identifying device provided in an embodiment of the present invention；
Fig. 2 is the structural representation of ultrasonic sensor provided in an embodiment of the present invention；
Fig. 3 is the operation principle schematic diagram of gesture identifying device provided in an embodiment of the present invention；
Fig. 4 is the recognition methods flow chart of gesture identifying device provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The present invention provides a kind of gesture identifying device, as shown in figure 1, including：Middle control amusement equipment 100, in being located at respectively
Control the first ultrasonic sensor 101 and the second ultrasonic sensor 102 of amusement equipment 100 both sides, and give pleasure to respectively with middle control
The control chip 103 that happy equipment 100, the first sonac 101 and the second ultrasonic sensor 102 are electrically connected with；
Control chip 103, for controlling the first sonac 101 and the second ultrasonic sensor 102 to press setting order
Launch ultrasonic wave in turn and monitor the ultrasonic wave that barrier is reflected back, real-time judge user gesture information is entertained with being controlled in control
The corresponding function of the real-time response of equipment 100.
It should be noted that " barrier " here can be palm, finger, arm of user etc. or user
Object taken in hand, etc., as long as gesture operation can be realized.Here " middle control amusement equipment " can be mounted in vapour
The middle control amusement equipment in amusement equipment or other places are controlled in vehicle in car, are not limited herein.Specific real
Shi Shi, middle control amusement equipment can include radio, CD or LCDs, i.e., in control entertainment systems 100 can be without
The radio (FM, AM) and CD of liquid crystal display or the senior middle control entertainment device with liquid crystal display.
In above-mentioned gesture identifying device provided in an embodiment of the present invention, middle control amusement equipment both sides are provided with two and surpassed
Sonic sensor, and it is additionally arranged control chip；Control chip can control two ultrasonic sensors at setting time interval
Interior (such as 30ms) is by setting rotation transmitting ultrasonic wave and monitors the ultrasonic wave that barrier is reflected back, real-time judge user's hand
Gesture information, to control the corresponding function of amusement equipment real-time response in control, passes through the effect of control chip, it is possible to achieve three-dimensional space
Between gesture identification, with number of sensors is few, cost is low, advantages of simple structure and simple, and the supersonic sensing utensil used
Have the advantages that not big by illumination effect, detection range, so as to effective detection barrier and improve the standard of gesture identification
True property and comfortableness, the convenience of man-machine interaction.
In the specific implementation, in above-mentioned gesture identifying device provided in an embodiment of the present invention, as shown in figure 1, the first surpassing
The center line of the sonac 102 of sonic transducer 101 and second using middle control amusement equipment 100 is symmetrical as symmetry axis.Now
First sonac 101 and the second sonac 102 are arranged in parallel in same plane, can so realize that various gestures are grasped
Make.
In the specific implementation, in above-mentioned gesture identifying device provided in an embodiment of the present invention, as shown in Fig. 2 the first surpassing
The ultrasonic sensor 102 of sonic sensor 101 and second can be transmitting-receiving integrated cylinder shape sensor.2 tables in Fig. 2
Show the efficient working range of the first ultrasonic sensor 101 and the second ultrasonic sensor 102；3 represent the first supersonic sensing
The spherical wave of the ultrasonic sensor 102 of device 101 and second transmitting；What ± α angles represented spherical wave has effect spread, sphere of action.The
The detection zone scope of one ultrasonic sensor 101 and the second ultrasonic sensor 102 composition has overlap action region, Ke Yi
In the case of not increasing hardware cost, more gestures are detected.
In the specific implementation, in above-mentioned gesture identifying device provided in an embodiment of the present invention, the first ultrasonic sensor
Centre frequency with the second ultrasonic sensor can be with identical；The centre frequency could be arranged to 40kHz.
In the specific implementation, in above-mentioned gesture identifying device provided in an embodiment of the present invention, the first ultrasonic sensor
The angle c for the spherical ultrasonic launched with the second ultrasonic sensor can be -60 ° to 60 °.
In the specific implementation, in above-mentioned gesture identifying device provided in an embodiment of the present invention, the first ultrasonic sensor
And second the coverage scope between barrier that measures of ultrasonic sensor be 4cm to 40cm, for coverage
The concrete foundation of the setting of scope is as follows：
Specifically, as shown in figure 3,104 be the efficient working range of the first ultrasonic sensor 101, i.e., label I in figure；
105 be the efficient working range of the second ultrasonic sensor 102, i.e., label II in figure；106 be the first ultrasonic sensor 101
With the common work area domain of the second ultrasonic sensor 102, i.e., label III in figure；107 be the He of the first ultrasonic sensor 101
The work blind area of second ultrasonic sensor 102, i.e., label IV in figure.Indicated in figure, d2For the He of the first ultrasonic sensor 101
The distance between second ultrasonic sensor 102, it is assumed herein that being 220cm, i.e. d2=220cm；d1For the first ultrasonic sensor
101 and second ultrasonic sensor 102 diameter, it is assumed herein that be 20cm, i.e. d1=20cm；In addition, the chi indicated in Fig. 3
Very little H2The ultimate range that can be measured for the first ultrasonic sensor 101 and the second ultrasonic sensor 102, size H1The first to surpass
The public range hole of the ultrasonic sensor 102 of sonic sensor 101 and second (is located within the scope of maximum measure distance, that is, is less than
H2), h is the minimum finding range of the first ultrasonic sensor 101 and the second ultrasonic sensor 102, so the first ultrasonic wave
The coverage scope between barrier that the ultrasonic sensor 102 of sensor 101 and second is measured is [h, H2]；
The region I indicated in Fig. 3 is the model for the effective detection palm that pentagon ABEFG is the first ultrasonic sensor 101
Enclose；The region III indicated in figure is that triangle Δ EFM is the first ultrasonic sensor 101 and the second ultrasonic sensor 102
Common detection regional extent；The region II indicated in figure is the effective detection that pentagon CDKME is the second ultrasonic sensor 102
The scope of palm.The "left", "right" sign orientation indicated in figure, is convenient for the ease of follow-up explanation.
Usually, the range hole of ultrasonic sensor is 4cm, it is assumed that the first ultrasonic sensor 101 and the second ultrasound
The range hole of wave sensor 102 is 4cm, therefore the first ultrasonic sensor 101 and the second ultrasonic sensor 102 are measured
The coverage between barrier be naturally larger than or equal to 4cm；Because the maximum range of ultrasonic ranging is strong by signal
What the combined factors such as degree and barrier shape were determined, so being difficult to set accurate ranging maximum range, so the reality of the present apparatus
Border measurement range is more than H2=40cm, but when the distance that ultrasonic measurement goes out palm is more than H2During=40cm, then it is determined as invalid behaviour
Make.
Furthermore it is possible to calculate public the first ultrasonic sensor of range hole distance 101 using following formula and the second surpass
The ultimate range H on the surface of sonic sensor 1021：
H1=(d2-d1)*tan(90°-α)/2
In formula, H1For the first ultrasonic sensor 101 and the maximum of the public-measurement blind area of the second ultrasonic sensor 102
Vertical range；d2For the distance between the first ultrasonic sensor 101 and the second ultrasonic sensor 102, and d2=220cm；d1
For the first ultrasonic sensor 101 and the diameter of the second ultrasonic sensor 102, and d1=20cm；α angles pass for the first ultrasonic wave
The greatest irradiation angle of the spherical wave of the ultrasonic sensor 102 of sensor 101 and second, and α=60 °.
Each known parameters are substituted into above-mentioned formula, the public ultrasonic wave of range hole distance first that can be calculated the present apparatus is passed
The ultimate range H on the surface of 101 and second ultrasonic sensor of sensor 1021≈14cm.The H1Within the scope of maximum measure distance, i.e.,
Less than H2。
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of above-mentioned gesture provided in an embodiment of the present invention and known
The recognition methods of other device, because the principle that this method solves problem is similar to a kind of foregoing gesture identifying device, therefore the party
The implementation of method may refer to the implementation of gesture identifying device, repeats part and repeats no more.
In the specific implementation, the recognition methods of gesture identifying device provided in an embodiment of the present invention, as shown in figure 4, specifically
Comprise the following steps：
S401, the first sonac of control and the second ultrasonic sensor are by setting rotation transmitting ultrasonic wave and supervise
Survey the ultrasonic wave that barrier is reflected back；
S402, calculate the first sonac and the second ultrasonic sensor respectively with the distance between barrier and
The position of barrier；
Distance and position that S403, basis are calculated, real-time judge user gesture information；
S404, according to user gesture information, in control control the corresponding function of amusement equipment real-time response.
Specifically, when performing step S402, calculate the first sonac using following formula and the second ultrasonic wave is passed
Sensor is respectively the distance between with barrier：
H=C*t/2
In formula, H is the first sonac and the second ultrasonic sensor respectively the distance between with barrier；C is sound
The aerial spread speed of ripple, C=340m/s；T is that the first sonac and the second ultrasonic sensor transmitted waveform are arrived
Receive the time difference of echo.
By taking Fig. 3 as an example, the Cleaning Principle that gesture identifying device provided in an embodiment of the present invention is described in detail is as follows：
Control chip 103 controls the first ultrasonic sensor 101 and the second supersonic sensing according to 30ms time interval
Device 102 launches ultrasonic wave in turn in order, and monitors the ultrasonic wave being reflected back by barrier, and is calculated in real time according to above-mentioned formula
Go out the distance of each sensor of obstacle distance, the operating gesture of active user is gone out according to certain rule judgment, to realize correspondence
Human-computer interaction function.
Assuming that barrier is the palm of user, specific step is described as follows：
Step 1: detecting palm distance by the first ultrasonic sensor 101；
Control chip 103 controls the first ultrasonic sensor 101 transmitting spherical ultrasonic, record transmitting initial time t1,
And the ultrasonic wave being reflected back is monitored, the time that note receives echo is t2, and current palm distance is calculated, it is designated as S1, and S1=C*
T/2=34000/2* (t2-t1)cm；If S1＞ 40cm then judge the He of induction region 104 of current first ultrasonic sensor 101
Without palm in 106；If S1≤ 40cm then judges there is hand in the induction region 104 or 106 of current first ultrasonic sensor 101
The palm.If control chip 103 is all not detected by echo in 30ms, the induction zone of current first ultrasonic sensor 101 is judged
Without palm in domain 104 or 106, note current detection is apart from S1＞ 40cm.
Step 2: detecting palm distance by the second ultrasonic sensor 102；
Control chip 103 controls the second ultrasonic sensor 102 transmitting spherical ultrasonic, record transmitting initial time t3,
And the ultrasonic wave being reflected back is monitored, the time that note receives echo is t4, and current palm distance is calculated according to formula (1), it is designated as
S2, and S2=C*t/2=34000/2* (t4-t3)cm；If S2＞ 40cm then judge the sensing of current second ultrasonic sensor 102
Without palm in region 105 and 106；If
S2≤ 40cm then judges there is palm in the induction region 105 or 106 of current second ultrasonic sensor 102.If
Control chip 103 is all not detected by echo in 30ms, then judges the He of induction region 105 of current second ultrasonic sensor 102
Without palm in 106, note current detection is apart from S2＞ 40cm.
Step 3: position and the range information of the detection palm of control chip 103；
Control chip 103 according to step one and step 2 by loop cycle of 60ms, wheel flow control ultrasonic sensor 101
With 102 transmittings, reception ultrasonic wave, and the distance and sequence of positions of calculating palm, and according to sequence detection position and distance in real time
Information.
Specifically, the localization method on palm is as follows：
If control chip 103 detects 4cm≤S1≤ 40cm and S2＞ 40cm, then illustrate that current palm is located at region 104
It is interior；
If control chip 103 detects 4cm≤S1≤ 40cm and 4cm≤S is met simultaneously2≤ 40cm, then illustrate current palm
In public domain 106, remember that the distance that current palm is located at range sensor surface in public domain is Sc；
If control chip 103 detects S1＞ 40cm and 4cm≤S is met simultaneously2≤ 40cm, then illustrate that current palm is located at
In region 105.
Step 4: palm distance and positional information that control chip 103 is detected according to above step judge and identified
Specific gesture motion：
Gesture one：If control chip 103 is consecutively detected palm positioned at region 104, and apart from S1Substantially keep unchanged,
Then control chip 103 judges the gesture for left side close to gestures；
Gesture two：If control chip 103 is consecutively detected palm positioned at region 104, and apart from S1Become larger or diminish,
Then judge that the gesture approaches for left side, away from gesture；
Gesture three：If control chip 103 is consecutively detected palm positioned at region 105, and apart from S2Substantially keep unchanged,
Then control chip 103 judges the gesture for right side close to gestures；
Gesture four：If control chip 103 is consecutively detected palm positioned at region 105, and apart from S2Become larger or diminish,
Then judge that the gesture approaches for right side, away from gesture；
Gesture five：If control chip 103 is consecutively detected palm positioned at public domain 106, and apart from ScIt is basic to keep nothing
Change, then control chip 103 judges the gesture for middle close to gestures；
Gesture six：If control chip 103 is consecutively detected palm positioned at public domain 106, and apart from ScBecome larger or
Diminish, then judge that the gesture approaches for intermediate region, away from gesture；
Gesture seven：If control chip 103 is first it is detected that palm is located at region 104, and S1≤H1, then detect palm
Positioned at region 105, and S2≤H1, then control chip 103 judge the gesture for by it is left-to-right closely translation brandish gesture；
Gesture eight：If control chip 103 is first it is detected that palm is located at region 105, and S2≤H1, then detect palm
Positioned at region 104, and S1≤H1, then control chip 103 judge the gesture to brandish gesture by the right closely translation to a left side；
Gesture nine：If control chip 103 first it is detected that palm be located at region 104, then detect palm be located at it is public
Region 106, finally detects palm positioned at region 105；And S1、ScAnd S2Close to equal, then control chip 103 judges the gesture
To brandish gesture by left-to-right translation at a distance；
Gesture ten：If control chip 103 first it is detected that palm be located at region 104, then detect palm be located at it is public
Region 106, finally detects palm positioned at region 105；And meet S1≈Sc﹥ S2Close to equal, then judge should for control chip 103
Gesture is to brandish gesture by left-to-right translation decline；
Gesture 11：If control chip 103 first it is detected that palm be located at region 104, then detect palm be located at public affairs
Region 106, finally detects palm positioned at region 105 altogether；And meet S1≈Sc＜ S2Close to equal, then control chip 103 judges
The gesture is to brandish gesture by left-to-right translation rising；
Gesture 12：If control chip 103 first it is detected that palm be located at region 104, then detect palm be located at public affairs
Region 106, finally detects palm positioned at region 105 altogether；And meet S1＜ Sc＜ S2Close to equal, then control chip 103 judges
The gesture is to be started gesture by left-to-right oblique Back stroke；
Gesture 13：If control chip 103 first it is detected that palm be located at region 104, then detect palm be located at public affairs
Region 106, finally detects palm positioned at region 105 altogether；And meet S1＞ Sc＞ S2Close to equal, then control chip 103 judges
The gesture be by it is left-to-right tiltedly under brandish gesture；
Gesture 14：If control chip 103 first it is detected that palm be located at region 104, then detect palm be located at public affairs
Region 106, finally detects palm positioned at region 105 altogether；And meet S1＜ ScAnd Sc＞ S2, then control chip 103 judge the hand
Gesture be by left-to-right elder generation it is oblique on again tiltedly under operating gesture；
Gesture 15：If control chip 103 first it is detected that palm be located at region 104, then detect palm be located at public affairs
Region 106, finally detects palm positioned at region 105 altogether；And meet S1＞ ScAnd Sc＜ S2, then control chip 103 judge the hand
Gesture be by left-to-right elder generation under oblique again tiltedly on operating gesture；
Gesture 16：If control chip 103 first it is detected that palm be located at region 105, then detect palm be located at public affairs
Region 106, finally detects palm positioned at region 104 altogether；And S1、ScAnd S2Close to equal, then control chip 103 judges the hand
Gesture brandishes gesture by right to be remote to left translation；
Gesture 17：If control chip 103 first it is detected that palm be located at region 105, then detect palm be located at public affairs
Region 106, finally detects palm positioned at region 104 altogether；And meet S2≈Sc﹥ S1Close to equal, then control chip 103 judges
The gesture is to brandish gesture by right decline to left translation；
Gesture 18：If control chip 103 first it is detected that palm be located at region 105, then detect palm be located at public affairs
Region 106, finally detects palm positioned at region 104 altogether；And meet S2≈Sc＜ S1Close to equal, then control chip 103 judges
The gesture is to brandish gesture by right rise to left translation；
Gesture 19：If control chip 103 first it is detected that palm be located at region 105, then detect palm be located at public affairs
Region 106, finally detects palm positioned at region 104 altogether；And meet S2＜ Sc＜ S1Close to equal, then control chip 103 judges
The gesture is to be started gesture by the right oblique Back stroke to a left side；
Gesture 20：If control chip 103 first it is detected that palm be located at region 105, then detect palm be located at public affairs
Region 106, finally detects palm positioned at region 104 altogether；And meet S2＞ Sc＞ S1Close to equal, then control chip 103 judges
The gesture be by it is right to a left side it is oblique under brandish gesture；
Gesture 21：If control chip 103 is first it is detected that then palm detects palm and be located at positioned at region 105
Public domain 106, finally detects palm positioned at region 104；And meet S2＜ ScAnd Sc＞ S1, then the judgement of control chip 103 should
Gesture be by the right side to it is left first tiltedly on again tiltedly under operating gesture；
Gesture 22：If control chip 103 is first it is detected that then palm detects palm and be located at positioned at region 105
Public domain 106, finally detects palm positioned at region 104；And meet S2＞ ScAnd Sc＜ S1, then the judgement of control chip 103 should
Gesture be by the right side to it is left first tiltedly under again tiltedly on operating gesture.
Step 5: the gesture information detected in above-mentioned steps is passed to middle control entertainment device by control chip 103 in real time,
The corresponding gesture operation of real-time response, realizes man-machine interaction.
As seen from the above description, gesture identifying device provided in an embodiment of the present invention can lead in 4~40cm space
Cross the real-time inspection of the first ultrasonic sensor and the realization of the second ultrasonic sensor to palm position
Survey, ultrasonic sensor is applied in combination using two, it is possible to achieve the conventional gesture operation of kind more than 20.
A kind of gesture identifying device provided in an embodiment of the present invention and its recognition methods, including：Middle control amusement equipment, respectively
The first ultrasonic sensor and the second ultrasonic sensor positioned at middle control amusement equipment both sides, and set respectively with middle control amusement
The control chip that standby, the first sonac and the second ultrasonic sensor are electrically connected with；Control chip, for controlling the first to surpass
Sonic transducer and the second ultrasonic sensor launch ultrasonic wave by setting rotation and monitor the ultrasonic wave that barrier is reflected back,
Real-time judge user gesture information, to control the corresponding function of amusement equipment real-time response in control.Due in middle control amusement equipment
Both sides are provided with two ultrasonic sensors, and the effect for passing through control chip, it is possible to achieve the gesture identification of three dimensions,
With number of sensors is few, cost is low, advantages of simple structure and simple, and the ultrasonic sensor used has not by illumination shadow
The big advantage of sound, detection range, so as to effectively detect barrier and improve the accuracy of gesture identification and man-machine friendship
Mutual comfortableness, convenience.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include be this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except also there is other identical element in the process including the key element, method, article or equipment.
Gesture identifying device provided by the present invention and its recognition methods are described in detail above, it is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands
The method and its core concept of the present invention；Simultaneously for those of ordinary skill in the art, according to the thought of the present invention, in tool
It will change in body embodiment and application, in summary, this specification content should not be construed as to the present invention
Limitation.
Claims (8)
1. a kind of gesture identifying device, it is characterised in that including：Middle control amusement equipment, respectively positioned at the middle control amusement equipment
The first ultrasonic sensor and the second ultrasonic sensor of both sides, and respectively with it is described it is middle control amusement equipment, described first
The control chip that sonac and second ultrasonic sensor are electrically connected with；
The control chip, for controlling first sonac and second ultrasonic sensor by setting order wheel
Stream transmitting ultrasonic wave simultaneously monitors the ultrasonic wave that barrier is reflected back, real-time judge user gesture information, to control the middle control to give pleasure to
The happy corresponding function of equipment real-time response.
2. gesture identifying device according to claim 1, it is characterised in that first sonac and the second ultrasound
The center line of sensor using the middle control amusement equipment is symmetrical as symmetry axis.
3. gesture identifying device according to claim 2, it is characterised in that first ultrasonic sensor and the second surpass
Sonic sensor is transmitting-receiving integrated cylinder shape sensor.
4. gesture identifying device according to claim 3, it is characterised in that first ultrasonic sensor and the second surpass
The centre frequency of sonic sensor is identical.
5. gesture identifying device according to claim 4, it is characterised in that first ultrasonic sensor and the second surpass
The angular range of the spherical ultrasonic of sonic sensor transmitting is -60 ° to 60 °.
6. gesture identifying device according to claim 5, it is characterised in that first ultrasonic sensor and the second surpass
The coverage scope between the barrier that sonic sensor is measured is 4cm to 40cm.
7. gesture identifying device according to claim 6, it is characterised in that the middle control amusement equipment include radio,
CD or LCDs.
8. a kind of recognition methods of the gesture identifying device as described in claim any one of 1-7, it is characterised in that including：
First sonac and second ultrasonic sensor are controlled by setting rotation transmitting ultrasonic wave and is supervised
Survey the ultrasonic wave that barrier is reflected back；
First sonac and second ultrasonic sensor are calculated respectively the distance between with the barrier
And the position of the barrier；
According to the distance and the position calculated, real-time judge user gesture information；
According to the user gesture information, the middle control corresponding function of amusement equipment real-time response is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710619636.8A CN107291308A (en) | 2017-07-26 | 2017-07-26 | A kind of gesture identifying device and its recognition methods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710619636.8A CN107291308A (en) | 2017-07-26 | 2017-07-26 | A kind of gesture identifying device and its recognition methods |
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| Publication Number | Publication Date |
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| CN107291308A true CN107291308A (en) | 2017-10-24 |
Family
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| CN201710619636.8A Pending CN107291308A (en) | 2017-07-26 | 2017-07-26 | A kind of gesture identifying device and its recognition methods |
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