CN108196668A - A kind of portable gesture recognition system and method - Google Patents

A kind of portable gesture recognition system and method Download PDF

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Publication number
CN108196668A
CN108196668A CN201711271029.3A CN201711271029A CN108196668A CN 108196668 A CN108196668 A CN 108196668A CN 201711271029 A CN201711271029 A CN 201711271029A CN 108196668 A CN108196668 A CN 108196668A
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gesture
arm
target
finger
turn signal
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CN108196668B (en
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杨晓宇
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Chongqing Zhongdian Dayu Satellite Application Technology Research Institute Co.,Ltd.
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CHONGQING ZHONGDIAN DAYU SATELLITE APPLICATION TECHNOLOGY RESEARCH INSTITUTE
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/014Hand-worn input/output arrangements, e.g. data gloves
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017Gesture based interaction, e.g. based on a set of recognized hand gestures

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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)

Abstract

The invention discloses a kind of portable gesture recognition system and method, wherein system includes:Sensor armlet, for obtaining in target gesture implementation procedure, motor message and arm space turn signal are sent to data processor by the motor message of arm muscles and the arm space turn signal of arm;Gyroscope gloves, for obtaining in target gesture implementation procedure, finger space turn signal is sent to data processor by the finger space turn signal in each joint of finger;Data processor, for according to motor message, arm space turn signal and finger space turn signal, extract target gesture start point and the corresponding target difference characteristic of end point, target is distinguished characteristic distinguishing characteristics data corresponding with gesture in pre-stored gesture classification set to match, according to matching result, the corresponding gesture classification of target gesture is determined.Above system and method reliability are high, and effectively gesture can be identified, and have very high practicability.

Description

A kind of portable gesture recognition system and method
Technical field
The present invention relates to gesture identification field, more particularly to a kind of portable gesture recognition system and method.
Background technology
With the development of electronic technology and computer technology, traditional mouse and keyboard entry method can not meet The use demand of people.In recent years, in view of gesture has the characteristics that intuitive, naturality, the input mode based on user gesture Have become a kind of important means for human-computer interaction.Customer-centric is more emphasized in human-computer interaction based on gesture, using more Add and meet user and exchange custom naturally, so as to provide a naturally effective man-machine interaction mode to the user, while require system It is easy to carry, user experience is good.Since the real-time and accuracy of gesture identification are extremely important for natural interaction, so for The research of gesture identification method has great significance to natural human-computer interaction.
But the gesture recognition system of traditional approach or method, not only with the hand of gyro sensor identification gesture Set, the gyroscope and relevant apparatus that largely use reduce the reliability of equipment, and complex circuit designs, equipment is heavy, wears not It is convenient.It is badly in need of a kind of new identifying system to solve the problems, such as this.
Invention content
For above-mentioned technical problem, the present invention provides a kind of reliability height, effectively gesture can be identified portable Gesture recognition system and method.
In order to solve the above technical problems, the technical solution used in the present invention is:A kind of portable gesture identification system is provided System, the sensor armlet and gyroscope gloves being connect including data processor and with the data processor;
The sensor armlet, for obtaining in target gesture implementation procedure, the motor messages of arm muscles and arm The motor message and the arm space turn signal are sent to the data processor by arm space turn signal;
The gyroscope gloves, for obtaining in target gesture implementation procedure, the finger space rotation letter in each joint of finger Number, the finger space turn signal is sent to the data processor;
The data processor, for empty according to the motor message, the arm space turn signal and the finger Between turn signal, the target gesture start point and end point corresponding target difference characteristic are extracted, by the target area Other characteristic distinguishing characteristics data corresponding with gesture in pre-stored gesture classification set are matched, and are tied according to matching Fruit determines the corresponding gesture classification of the target gesture.
Using above technical scheme, the technique effect reached is the present invention:Pass through the sensor armlet and gyroscope of setting Gloves, can effectively the arm space motor message to the motor message of arm muscles during gesture motion, arm and The finger space turn signal in each joint of finger is detected, and data processor can extract target according to the signal detected The target difference characteristic of gesture, the target signature data extracted are corresponding with gesture in pre-stored gesture classification set Distinguishing characteristics data matched, according to matching result, determine the gesture classification of current goal gesture.Above system structure phase To simple, effectively gesture can be identified, and discrimination is high, there is very high practicability.
More preferably, in the above-mentioned technical solutions, the sensor armlet includes 8 fleshes being connect with the data processor Electric signal sensor, 1 acceleration transducer and 3 the first gyro sensors;
The electromyography signal sensor is arranged on the inside of the sensor armlet, for being contacted with forearm musculature, For obtaining the motor message, the motor message is sent to the data processor;
The acceleration transducer is arranged in the sensor armlet, for obtaining movement angle of the arm in space Degree and the direction of motion, the data processor is sent to by the angle of operation and the rotation direction;
First gyro sensor is arranged in the sensor armlet, is turned in space for obtaining arm The operating parameters are sent to the data processor by dynamic parameter.
More preferably, in the above-mentioned technical solutions, the gyroscope gloves include it is N number of connect with the data processor the Two gyro sensors, wherein N are the positive integer more than or equal to 5;
Each second gyro sensor, is arranged in the gyroscope gloves, and each second gyroscope passes Sensor with the end back portion of corresponding finger for contacting, for obtaining rotational angle and rotation of each joint of finger in space The rotational angle and the rotation direction are sent to the data processor by direction.
More preferably, in the above-mentioned technical solutions, the identifying system further include by the electromyography signal sensor, it is described plus Velocity sensor, first gyro sensor and second gyro sensor connect respectively with the data processor Logical communication module;
The communication module, for by the electromyography signal sensor, the acceleration transducer, first gyroscope The data information that sensor and second gyro sensor detect is forwarded to the data processor.
A kind of portable gesture identification method is additionally provided, is included the following steps:
Obtain target gesture implementation procedure in, the motor message of arm muscles, the arm space turn signal of arm and The finger space turn signal in each joint of finger;
According to the motor message of the arm muscles of the target gesture, the arm space turn signal and the finger Spatial rotational signal extracts the target gesture start point and the corresponding target difference characteristic of end point, by the target Distinguishing characteristics data distinguishing characteristics data corresponding with gesture in pre-stored gesture classification set are matched, and are tied according to matching Fruit determines the corresponding gesture classification of the target gesture.
Using above technical scheme, the technique effect reached is the present invention:Pass through the target gesture implementation procedure to acquisition In, the finger space turn signal of the motor message of arm muscles, the arm space turn signal of arm and each joint of finger Extraction, can hard objectives gesture start point and end point corresponding target difference characteristic, it is special by the way that target is distinguished Sign data are matched with the corresponding distinguishing characteristics data of gesture in the gesture classification set being pre-stored, according to matching result, really Determine the gesture classification of current goal gesture.The above method can effectively be identified gesture, and discrimination is high, have very High practicability.
More preferably, in the above-mentioned technical solutions, it is empty in the arm of the motor message for obtaining target arm muscles, arm Between before turn signal and the finger space turn signal in each joint of finger, it is further comprising the steps of:
In acquisition standard gesture implementation procedure, the motor message of arm muscles, the arm space turn signal of arm and The finger space turn signal in each joint of finger;
The standard gesture start point and the corresponding distinguishing characteristics data of end point are extracted, is that the standard gesture is corresponding Distinguishing characteristics data build gesture classification set, and the gesture classification set of structure is stored.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is portable gesture recognition system schematic structure schematic diagram provided by the invention;
Fig. 2 is the schematic flow chart of one embodiment of portable gesture identification method provided by the invention;
Fig. 3 is the schematic flow chart of another embodiment of portable gesture identification method provided by the invention.
Specific embodiment
As shown in Figure 1, portable gesture recognition system provided by the invention, including data processor and and data processing The sensor armlet and gyroscope gloves of device connection;
Sensor armlet, for obtaining in target gesture implementation procedure, the motor message of arm muscles and the arm of arm Motor message and arm space turn signal are sent to data processor by spatial rotational signal;
Gyroscope gloves, for obtaining in target gesture implementation procedure, the finger space turn signal in each joint of finger will Finger space turn signal is sent to data processor;
Data processor, for according to motor message, arm space turn signal and finger space turn signal, extracting mesh Gesture start point and the corresponding target difference characteristic of end point are marked, by target difference characteristic and pre-stored gesture point The corresponding distinguishing characteristics data of gesture are matched in class set, according to matching result, determine the corresponding gesture class of target gesture Not.
Wherein:Target gesture is to need to carry out the gesture that gesture classification determines.
More preferably, in the above-mentioned technical solutions, sensor armlet includes 8 electromyography signals being connect with data processor biography Sensor, 1 acceleration transducer and 3 the first gyro sensors;
Electromyography signal sensor is arranged on the inside of sensor armlet, for being contacted with forearm musculature, for obtaining Motor message is sent to data processor by motor message;
Acceleration transducer is arranged in sensor armlet, for obtaining movement angle and movement of the arm in space Angle of operation and rotation direction are sent to data processor by direction;
First gyro sensor is arranged in sensor armlet, will for obtaining rotational parameters of the arm in space Operating parameters are sent to data processor.
More preferably, in the above-mentioned technical solutions, gyroscope gloves include N number of the second gyroscope being connect with data processor Sensor, wherein N are the positive integer more than or equal to 5;
Each second gyro sensor, is arranged in gyroscope gloves, and each second gyro sensor is used for and phase The end back portion contact for the finger answered, for obtaining rotational angle and rotation direction of each joint of finger in space, will rotate Angle and rotation direction are sent to data processor.
More preferably, in the above-mentioned technical solutions, identifying system further include by electromyography signal sensor, acceleration transducer, The communication module that first gyro sensor and the second gyro sensor connect respectively with data processor;
Communication module, for by electromyography signal sensor, acceleration transducer, the first gyro sensor and the second gyro The data information that instrument sensor detects is forwarded to data processor.
Using above technical scheme, the technique effect reached is the present invention:Pass through the sensor armlet and gyroscope of setting Gloves, can effectively the arm space motor message to the motor message of arm muscles during gesture motion, arm and The finger space turn signal in each joint of finger is detected, and data processor can extract target according to the signal detected The target difference characteristic of gesture, the target signature data extracted are corresponding with gesture in pre-stored gesture classification set Distinguishing characteristics data matched, according to matching result, determine the gesture classification of current goal gesture.Above system structure phase To simple, effectively gesture can be identified, and discrimination is high, there is very high practicability.
As shown in Fig. 2, the present invention also provides a kind of portable gesture identification method, the device that is used in this method with And the respective operations that device performs all are described in detail in the corresponding embodiments of Fig. 1, are no longer described in embodiment of the method. Portable gesture identification method is as follows:
S110:It obtains in target gesture implementation procedure, the motor message of arm muscles, the arm space turn signal of arm And the finger space turn signal in each joint of finger;
S120:Turned according to the motor message of the arm muscles of target gesture, arm space turn signal and finger space Dynamic signal extracts target gesture start point and the corresponding target difference characteristic of end point, by target difference characteristic with The corresponding distinguishing characteristics data of gesture are matched in pre-stored gesture classification set, according to matching result, determine target hand The corresponding gesture classification of gesture.
Above-mentioned technical proposal is by the target gesture implementation procedure to acquisition, the motor messages of arm muscles, arm The extraction of arm space turn signal and the finger space turn signal in each joint of finger, being capable of hard objectives gesture start point Target corresponding with end point distinguishes characteristic, by the way that target is distinguished in characteristic and pre-stored gesture classification set The corresponding distinguishing characteristics data of gesture are matched, and according to matching result, determine the gesture classification of current goal gesture.Can have Gesture is identified in effect, and discrimination is high, has very high practicability.
As shown in figure 3, on the basis of Fig. 2 corresponding embodiments, following improvement has also been carried out:
S105:In acquisition standard gesture implementation procedure, the motor message of arm muscles, the arm space turn signal of arm And the finger space turn signal in each joint of finger;
Extraction standard gesture start point and the corresponding distinguishing characteristics data of end point are the corresponding distinguishing characteristics of standard gesture Data build gesture classification set, and the gesture classification set of structure is stored;
S110:It obtains in target gesture implementation procedure, the motor message of arm muscles, the arm space turn signal of arm And the finger space turn signal in each joint of finger;
S120:Turned according to the motor message of the arm muscles of target gesture, arm space turn signal and finger space Dynamic signal extracts target gesture start point and the corresponding target difference characteristic of end point, by target difference characteristic with The corresponding distinguishing characteristics data of gesture are matched in pre-stored gesture classification set, according to matching result, determine target hand The corresponding gesture classification of gesture.
Wherein:Standard gesture, for the reference gesture specifically performed, it may also be said to be standard gesture, pass through the ginseng to acquisition The arm space turn signal of motor message, arm according to the arm muscles of gesture and the finger space rotation in each joint of finger The extraction of signal, can be clearly with reference to the starting point of gesture and the corresponding distinguishing characteristics data of end point, and the difference for acquisition is special Data structure gesture classification set is levied, the distinguishing characteristics data of multiple standards gesture, each area are included in gesture classification set Other characteristic corresponds to a kind of gesture classification.
In the above-mentioned technical solutions, pass through the hand to the motor message of arm muscles, arm in standard gesture implementation procedure The acquisition of arm spatial rotational signal and the finger space turn signal in each joint of finger can be built according to the signal of acquisition Gesture classification set with standard gesture distinguishing characteristics data, to provide better reference, energy to the verification of target gesture It is enough that more accurately target gesture is identified.
Further, in motor message, arm space turn signal and the finger of the arm muscles for obtaining target gesture After spatial rotational signal, the various signals of target gesture can also be screened, each target gesture includes 3 kinds of differences Signal, each corresponding signal of target gesture is one group of signal, can reject that lack a certain signal corresponding in screening process Group signal, that is, reject invalid target hand signal.
In the above-mentioned technical solutions, by the rejecting to invalid targets hand signal, the knowledge of target gesture is effectively simplified Flow during not, improves the accuracy identified to target hand signal.
Gesture motion includes finger movement and arm action, and finger movement and arm action is needed to combine and determine that gesture is moved Make.In the identification of finger movement to identification have key effect data be by connect in sensor armlet with data processor 8 It is N number of with counting in a electromyography signal sensor, 1 acceleration transducer and 3 the first gyro sensors and gyroscope gloves According to the second gyro sensor that processor connects, wherein N is what the positive integer more than or equal to 5 was acquired.Arm action The data for having key effect to identification in identification are by 8 electromyography signal sensors, 1 acceleration transducer in sensor armlet It is obtained with 3 the first gyro sensors.
Training data generates, i.e. the generation acquisition of standard gesture data:
1st, finger movement data gathering algorithm:
(1) with the second spiral shell of the frequency acquisition of 400HZ top instrument sensor in the instantaneous angular speed of three axial directions of x, y, z;
(2) with 2.5*10-3Second obtains (1) by time interval at angular speed angle and carries out trapezoidal integration acquisition x, y, z three axially Angle value;
(3) in concrete operations, the second gyro sensor include No. 0-4 5 gyro sensors of 5 finger end faces with And No. 5 gyro sensors of the back of the hand position, 1-4 gyro sensor x, y, z angle values are subtracted into No. 5 gyro sensors Three axial angle values, No. 0 gyro sensor, the magnitude of angular velocity of x, z subtracts the three of No. 5 gyro sensors again after exchanging Axial angle angle value, the three final axis angular rate values of acquisition are the distinguishing characteristics number of the finger angular speed in distinguishing characteristics data According to;
(4) result that (3) result obtains is stored;
(5) (1)-(4) step is performed to all gestures, can thus obtains finger angle in all gesture implementation procedures The distinguishing characteristics data of speed store the distinguishing characteristics data of the finger rotational angle of acquisition.
2nd, training data generates
(1) the distinguishing characteristics data of the finger rotational angle of gained in 1 are pressed into gesture type classification;
(2) k is calculated as by after gesture classification different gestures are counted with its different numerical value sum occurred;
(3) numerical value that each axial direction occurred respectively counts its frequency of occurrences in different classes of gesture library And obtain result Ai (i=0,1,2 ..., k);
(4) Si (i=1,2 ..., k) is denoted as by counting its all data count after gesture classification respectively to each gesture;
(5) each gesture difference numerical value probability of occurrence Pi=Ai/Si is acquired.
(6) Pi of different gestures is clustered by gesture classification, obtain nj (j=0,1,2,3,4,5) it is a by Pi divide Class scope, wherein j are corresponding gyroscope number;
(7) each its centerpoint value of class scope is denoted as Wn as the weights of the range, and n is the range number of gained in (6);
(8) by gesture classification, with the upper of each group of Wn corresponding to each gesture gyro sensor and affiliated range Lower limit is as record, and per gesture, write-in nj items record to form gesture identification library R, i.e. gesture classification set.
3rd, finger movement recognizer:
(1) with three axial instantaneous angular velocities of 400HZ frequency acquisition spiral shell top instrument sensors x, y, z;
(2) with 2.5*10-3Second obtains (1) by time interval angular speed angle progress trapezoidal integration and obtains z, y, x-axis to angle Value;
(3) 1-4 gyroscopes x, y, z angle value subtracts No. 5 three axial angle angle value of gyro sensor;No. 0 gyroscope, x, The axial magnitude of angular velocity of z subtracts No. 5 three axial angle angle value of gyro sensor and is denoted as XAj again after exchanging, YAj, ZAj (j=0, 1.2.3.4.5), each group of XA, YA, ZA are denoted as Dj=[XAj, YAj, YZj];The final array obtained is the target hand obtained The target difference characteristic of gesture;
(4) each axial reading of each gyro sensor, i.e. target difference characteristic and gesture in corresponding finger reading Dj The distinguishing characteristics data of finger motion parameter in identification library R are matched, and to each gesture, detecting three axial components of Dj is It is no to fall in the R of gesture identification library in corresponding identification position data record in effective range, if falling in the effective range of correspondence with Affiliated range corresponds to the Second Eigenvalue that weights correspond to identification position as the gesture, is denoted as t2, and then determines that gesture is corresponding Finger movement;
(5) in (4) step as real time data is not fallen in effective range, then returned with each identification position weights with KNN algorithms Class determines the identification position data weights, and this group of data are stored in individuation data library Rc;
(6) obtained reading is matched all gestures, obtains all gestures and respectively identify position pair by the mode as described in (4) step In the Second Eigenvalue t2j of the reading, each group eigenvalue cluster is into special vector T kj=[t21j, t22j, t23j, t24j, t25j] (t21j,t22j,t23j,t24j,t25j)。
(7) feature vector Tkj caused by more all gestures, the corresponding gesture of each element maximum value should by the gesture Identification position the First Eigenvalue be calculated as 1, be otherwise denoted as 0, obtain each group gesture first eigenvector t1j=[t11, t12, t13, t14,t15];
(8) all gestures are calculated to close the First Eigenvalue caused by reading;
(9) it calculates with the presence or absence of unique highest T1 values, and if so, being returned the gesture as recognition result;
(10) the Second Eigenvalue T2j=Tkj*E of highest T1 values same gesture is calculated if unique highest T1 is not deposited;
(11) gesture of unique peak is returned as recognition result in T2 values in the identical gesture of highest T1 values;
(12) if T1, T2, which are combined, is still not present unique gesture, minimum with database place sequence return recording number One.
4th, arm action data acquire:
While the above process is performed, it is also necessary to which 8 electromyography signal sensors, 1 acceleration pass in sensor armlet The support of sensor and 3 the first gyroscope sensor datas, during corresponding gesture is performed, the part muscle of arm also can Movement, electromyography signal sensor can obtain the motor message of forearm musculature, and acceleration transducer can obtain arm in space Interior movement angle and the direction of motion, the first gyro sensor can obtain rotational parameters of the arm in space.
4.1, arm action data gathering algorithm
Active segment is extracted by the amplitude of electromyography signal, using the starting point of electromyography signal and end point as pressure The starting point and end point of signal;Active segment detection is carried out, and for holding time to electromyography signal using the method for moving average Hand signal below given threshold T is considered user's unconscious movement, and wherein threshold value T is needed after the completion of acquisition to multiple Completely hand signal is analyzed to determine, T 800ms.The mean value of pressure signal and standard deviation SD is selected to represent pressure letter Number feature, select electromyography signal median frequency MF and standard deviation SD represent electromyography signal feature;The calculating of SD and MF is such as Formula (1), (2), (3) are shown:
Wherein Xi represents current collected signal, and PSD (x) is the power spectral density of electromyography signal:One effective gesture Electromyography signal feature vector be expressed as Eemg=[e1, e2], wherein e1 and e2 be electromyography signal median frequency and standard deviation; Feature vector Efsr=[e3, e4], e3 and the e4 of one effective gesture pressure signal are the mean value and standard deviation of pressure signal;One The spatial rotational feature vector Emng=[e5, e6] of a effective gesture.By electromyography signal feature vector Eemg=[e1, e2], hand Gesture pressure signal feature vector Efsr=[e3, e4] and spatial rotational feature vector Emng=[e5, e6], it is special labeled as difference The arm difference characteristic in data is levied, is that every group of arm distinguishes characteristic structure arm feature recognition library.
4.2nd, arm action identifies
When target gesture is compared with standard gesture, also can target gesture implementation procedure be obtained by above-mentioned formula In three parameters feature vector, i.e., target difference characteristic target arm difference characteristic, with distinguishing characteristics number Arm difference characteristic in is compared, and judges whether three feature vectors of target arm difference characteristic fall In three feature vectors in arm difference characteristic, if three feature vectors of target arm difference characteristic are all fallen within In three feature vectors of arm difference characteristic, it is possible to determine that the corresponding arm of target arm difference characteristic moves Make, final gesture motion is determined according to finger movement and arm action.
By the way that the gesture motion determined is combined with corresponding arm action, the complete of entire gesture can be accurately determined Whole action.By the spatial rotational feature of the feature vector to electromyography signal feature vector, gesture pressure signal and gesture to Amount is obtained and is judged, more accurately gesture motion can be judged.
It can be that professional and technical personnel in the field realize or use that the above embodiment, which is intended to illustrate the present invention, to above-mentioned Embodiment is modified and be will be apparent for those skilled in the art, therefore the present invention includes but not limited to The above embodiment, it is any to meet the claims or specification description, meet with principles disclosed herein and novelty, The method of inventive features, technique, product, each fall within protection scope of the present invention.

Claims (6)

1. a kind of portable gesture recognition system, which is characterized in that connect including data processor and with the data processor The sensor armlet and gyroscope gloves connect;
The sensor armlet, for obtaining in target gesture implementation procedure, the motor message of arm muscles and the arm of arm The motor message and the arm space turn signal are sent to the data processor by spatial rotational signal;
The gyroscope gloves, for obtaining in target gesture implementation procedure, the finger space turn signal in each joint of finger will The finger space turn signal is sent to the data processor;
The data processor, for being turned according to the motor message, the arm space turn signal and the finger space Dynamic signal extracts the target gesture start point and the corresponding target difference characteristic of end point, the target is distinguished special Sign data are matched with the corresponding distinguishing characteristics data of gesture in the gesture classification set being pre-stored, according to matching result, really Determine the corresponding gesture classification of the target gesture.
2. portable gesture recognition system as described in claim 1, which is characterized in that the sensor armlet include with it is described 8 electromyography signal sensors, 1 acceleration transducer and 3 the first gyro sensors of data processor connection;
The electromyography signal sensor is arranged on the inside of the sensor armlet, for being contacted with forearm musculature, is used for The motor message is obtained, the motor message is sent to the data processor;
The acceleration transducer is arranged in the sensor armlet, for obtain movement angle of the arm in space and The angle of operation and the rotation direction are sent to the data processor by the direction of motion;
First gyro sensor is arranged in the sensor armlet, for obtaining rotation ginseng of the arm in space The operating parameters are sent to the data processor by number.
3. portable gesture recognition system as claimed in claim 2, which is characterized in that the gyroscope gloves include it is N number of with Second gyro sensor of the data processor connection, wherein N are the positive integer more than or equal to 5;
Each second gyro sensor, is arranged in the gyroscope gloves, each second gyro sensor It is contacted for the end back portion with corresponding finger, for obtaining rotational angle of each joint of finger in space and rotation side To the rotational angle and the rotation direction are sent to the data processor.
4. portable gesture recognition system as claimed in claim 2 or claim 3, which is characterized in that the identifying system further include by The electromyography signal sensor, the acceleration transducer, first gyro sensor and second gyroscope pass The communication module that sensor connects respectively with the data processor;
The communication module, for by the electromyography signal sensor, the acceleration transducer, first gyro sensors The data information that device and second gyro sensor detect is forwarded to the data processor.
5. a kind of portable gesture identification method, which is characterized in that include the following steps:
It obtains in target gesture implementation procedure, the motor message of arm muscles, the arm space turn signal of arm and finger The finger space turn signal in each joint;
According to the motor message of the arm muscles of the target gesture, the arm space turn signal and the finger space Turn signal extracts the target gesture start point and the corresponding target difference characteristic of end point, the target is distinguished Characteristic distinguishing characteristics data corresponding with gesture in pre-stored gesture classification set are matched, according to matching result, Determine the corresponding gesture classification of the target gesture.
6. portable gesture identification method as claimed in claim 5, which is characterized in that in the acquisition target arm muscles Before the finger space turn signal of motor message, the arm space turn signal of arm and each joint of finger, further include with Lower step:
In acquisition standard gesture implementation procedure, the motor message of arm muscles, the arm space turn signal of arm and finger The finger space turn signal in each joint;
The standard gesture start point and the corresponding distinguishing characteristics data of end point are extracted, is the corresponding difference of the standard gesture Characteristic builds gesture classification set, and the gesture classification set of structure is stored.
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CN110703910A (en) * 2019-09-26 2020-01-17 深圳大学 Gesture recognition method and system based on smart watch
CN110794961A (en) * 2019-10-14 2020-02-14 无锡益碧医疗科技有限公司 Wearable gesture analysis system
CN113031775A (en) * 2021-03-24 2021-06-25 Oppo广东移动通信有限公司 Gesture data acquisition method and device, terminal and storage medium
CN113419622A (en) * 2021-05-25 2021-09-21 西北工业大学 Submarine operation instruction control system interaction method and device based on gesture operation
CN114167996A (en) * 2022-02-14 2022-03-11 浙江强脑科技有限公司 Sensor-based action pre-judging method and device and storage medium

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