CN106951109A - A kind of method and its device for gathering hand gestures - Google Patents

A kind of method and its device for gathering hand gestures Download PDF

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Publication number
CN106951109A
CN106951109A CN201710211447.7A CN201710211447A CN106951109A CN 106951109 A CN106951109 A CN 106951109A CN 201710211447 A CN201710211447 A CN 201710211447A CN 106951109 A CN106951109 A CN 106951109A
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gyroscope
hand gestures
finger
wrist
value
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CN201710211447.7A
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CN106951109B (en
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齐本铁
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Nanjing weisaike Network Technology Co.,Ltd.
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殷超
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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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
    • 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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  • 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

A kind of method of collection hand gestures of the present invention, comprises the following steps：S1：Fixed collection hand gestures device, S2：Setup parameter, S3：Calculate wrist pressure parameter rate of change, S4：Calculate middle finger, the opening degree of nameless and little finger of toe, S5：By K1、K2And K3Value be transmitted separately to information process unit.A kind of device of collection hand gestures of the present invention, also includes：The first gyroscope for being arranged on thumb, the second gyroscope being arranged on forefinger and the wrist pressure sensor for being arranged at wrist, also include information process unit, described information processing unit is connected with first gyroscope, second gyroscope and the wrist pressure sensor respectively.Hand gestures can be accurately positioned by a kind of method for collection hand gestures that the present invention is provided, and meet the actual operational circumstances of human body, can catch eight kinds of attitudes and middle attitude, and gathered data is sensitive accurate, will not be disturbed by ambient sound and light.

Description

A kind of method and its device for gathering hand gestures
Technical field
The present invention relates to human-computer interaction technique field, specially a kind of method and its device for gathering hand gestures.
Background technology
Traditional operating technology is typically based on mouse and keyboard is realized, input mode limitation, and is unable to reach round and smooth Intermediate state manipulation, it is difficult to realize that accurate graphics art, driving technology, cooking skill etc. are operated, existing human-computer interaction technology Field has some hands to people to carry out the exploration of data acquisition, but existing technical scheme main thought is for each hand Refer to increase sensing element, so as to realize the Posture acquisition of whole hand, cause the complex structure in product manufacturing, and prior art Have ignored the middle finger of people, nameless and little finger of toe can occur linkage action, and the linkages of these three fingers result in existing theoretic Posture acquisition technology is very big applied to actual time error, it is impossible to actually used, therefore urgent need one kind can quickly have now Identification operator's hand gestures of effect, error is small, the method for the collection hand gestures of highly versatile.
The content of the invention
The problem of being existed according to prior art, the invention discloses a kind of method and its device for gathering hand gestures.
It is adopted the following technical scheme that：A kind of method for gathering hand gestures, comprises the following steps：
S1：Fixed collection hand gestures device, the collection hand gestures device includes the first gyroscope, the second gyroscope With wrist pressure sensor, first gyroscope is fixed on thumb, second gyroscope is fixed on forefinger, in wrist The fixed wrist pressure sensor；
S2：Setup parameter, if the first gyroscope opening degree is K1, the second gyroscope opening degree is K2, wrist pressure The pressure value of force snesor is P；By all finger grips, the K of setting now1For 0, K2It is P for 0, P values0；Keep thumb and food Finger gripping is tight, and middle finger, the third finger and little finger of toe are opened, and now P values are P1；When all fingers are opened, the K of setting now1For 100%, K2For 100%；
S3：Wrist pressure parameter rate of change is calculated, if wrist pressure parameter rate of change is Q, Q value uses below equation meter Calculate：
The P=P when thumb and forefinger are held with a firm grip, and middle finger, the third finger and little finger of toe are opened1, i.e. Q=1；
S4：Middle finger, the opening degree of nameless and little finger of toe are calculated, the action of middle finger, nameless and little finger of toe is set as a connection Attitude is closed, the opening degree of middle finger, the third finger and little finger of toe is K3；
The opening degree K of thumb1With the opening degree K of forefinger2The influence difference that pressure value P to wrist pressure sensor is produced Meet below equation：
Q1=0.1K1 (2)
Q2=0.18K2 (3)
K3Value using below equation calculate：
K in formula1Value be thumb opening degree, K2Value be forefinger opening degree, K3Value be middle finger, it is unknown Refer to the joint attitude opening degree with little finger of toe.
Further, in the above-mentioned technical solutions, also including step S5：By K1、K2And K3Value be transmitted separately at information Unit is managed, described information processing unit is by K1、K2And K3Value be converted into control signal.
Further, in the above-mentioned technical solutions, described information processing unit is by K1、K2And K3Value be converted into some appearances The control signal of state signal composition, wherein：
W=(K1, K2, K3) (5)
W is single attitude signal in formula, if W1=(0,0,0), W2=(1,0,0), W3=(1,1,0), W4=(1,1,1), W5=(0,1,1), W6=(0,1,0), W7=(0,0,1), W8=(1,0,1), you can catch 8 kinds of hand gestures.
A kind of device for gathering hand gestures, for the method for described collection hand gestures, also includes：
The first gyroscope for being arranged on thumb, the second gyroscope being arranged on forefinger and the wrist pressure for being arranged at wrist Force snesor, also including information process unit, described information processing unit respectively with first gyroscope, second gyro Instrument is connected with the wrist pressure sensor.
Compared with prior art, the invention has the advantages that：
(1) hand gestures can be accurately positioned, error is small by a kind of method of collection hand gestures of the invention, Highly versatile, meets the actual operational circumstances of human body；
(2) a kind of method of collection hand gestures of the invention, can catch eight kinds of attitudes and middle attitude, gathered data It is sensitive accurate；
(3) method of a kind of collection hand gestures of the invention, the collection based on mechanical characteristic will not be by ambient sound With the interference of light, good stability.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art The accompanying drawing to be used needed for having technology description is briefly described.It should be evident that drawings in the following description are only this Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawings can also be obtained according to these accompanying drawings；
Fig. 1 is the flow chart of the method for collection hand gestures described in the embodiment of the present invention 1；
Fig. 2 is the schematic diagram of the corresponding hand gestures of the embodiment of the present invention 2 each described attitude signal；
Fig. 3 is the structural representation of the device of collection hand gestures described in the embodiment of the present invention 3.
In figure：1st, the first gyroscope, the 2, second gyroscope, 3, wrist pressure sensor, 4, at information
Manage unit.
Embodiment
To make technical scheme and advantage clearer, with reference to the accompanying drawing in the embodiment of the present invention, to this Technical scheme in inventive embodiments carries out clear complete description.
Embodiment 1
A kind of method for gathering hand gestures, comprises the following steps：
S1：Fixed collection hand gestures device, the collection hand gestures device includes the first gyroscope 1, the second gyro Instrument 2 and wrist pressure sensor 3, fix first gyroscope 1 on thumb, and second gyroscope 2 is fixed on forefinger, The wrist pressure sensor 3 is fixed in wrist；
S2：Setup parameter, if the opening degree of the first gyroscope 1 is K1, the opening degree of the second gyroscope 2 is K2, wrist The pressure value of pressure sensor 3 is P；By all finger grips, the K of setting now1For 0, K2It is P for 0, P values0；Keep thumb and Forefinger is held with a firm grip, and middle finger, the third finger and little finger of toe are opened, and now P values are P1；When all fingers are opened, the K of setting now1For 100%, K2For 100%；
S3：Wrist pressure parameter rate of change is calculated, if wrist pressure parameter rate of change is Q, Q value uses below equation meter Calculate：
The P=P when thumb and forefinger are held with a firm grip, and middle finger, the third finger and little finger of toe are opened1, i.e. Q=1；
S4：Middle finger, the opening degree of nameless and little finger of toe are calculated, the action of middle finger, nameless and little finger of toe is set as a connection Attitude is closed, the opening degree of middle finger, the third finger and little finger of toe is K3；
The opening degree K of thumb1With the opening degree K of forefinger2The influence difference that pressure value P to wrist pressure sensor 3 is produced Meet below equation：
Q1=0.1K1 (2)
Q2=0.18K2 (3)
K3Value using below equation calculate：
K in formula1Value be thumb opening degree, K2Value be forefinger opening degree, K3Value be middle finger, it is unknown Refer to the joint attitude opening degree with little finger of toe.
The various fixed poses of hand, middle attitude and motion appearance can be caught using the method for the collection hand gestures State, fast and effectively recognizes operator's hand gestures.
Formula 2 and formula 3 are to carry out the formula that data acquisition test is obtained by many people randomly selected, and formula 4 is root The formula of data acquisition test checking is inferred to and carried out by many people repeatedly randomly selected according to formula 2 and company 3.
The data collection data of checking formula 2 is shown in Table 1：
The data collection data proof list of the formula 2 of table 1
The data collection data of checking formula 3 is shown in Table 2：
The data collection data proof list of the formula 3 of table 2
The data collection data of checking formula 4 is shown in Table 1：
The data collection data proof list of the formula 4 of table 3
Embodiment 2
The present embodiment difference from Example 1 is, also including step S5：By K1、K2And K3Value be transmitted separately to letter Processing unit 4 is ceased, described information processing unit 4 is by K1、K2And K3Value be converted into control signal.
Further, in the above-mentioned technical solutions, described information processing unit 4 is by K1、K2And K3Value be converted into some appearances The control signal of state signal composition, wherein：
W=(K1, K2, K3) (5)
W is single attitude signal in formula, if W1=(0,0,0), W2=(1,0,0), W3=(1,1,0), W4=(1,1,1), W5=(0,1,1), W6=(0,1,0), W7=(0,0,1), W8=(1,0,1), you can catch 8 kinds of hand gestures.
W1Corresponding clench fist attitude, W2Correspondence stretches out the attitude that thumb holds other fingers simultaneously, W3Correspondence stretches out thumb and food Refer to the attitude for holding other fingers simultaneously, W4Correspondence opens the attitude of all fingers, W5Correspondence holds thumb while stretching out other hands The attitude of finger, W6Correspondence stretches out the attitude that forefinger holds other fingers simultaneously, W7Correspondence holds thumb and forefinger while opening other The attitude of finger, W8Correspondence holds forefinger while opening the attitude of other fingers.
8 kinds of hand gestures of the above can be gathered using the method for the collection hand gestures and middle attitude is gathered.
In addition, catching 8 kinds of hand gestures, 000 to 111 triad of correspondence using the method for the collection hand gestures Code, outputs control signals to control terminal, enters input or the gesture stability of line code.
Embodiment 3
A kind of device for gathering hand gestures, for the method for described collection hand gestures, also includes：
The first gyroscope 1 for being arranged on thumb, the second gyroscope 2 being arranged on forefinger and the wrist for being arranged at wrist Pressure sensor 3, also including information process unit 4, described information processing unit 4 respectively with first gyroscope 1, described Two gyroscopes 2 are connected with the wrist pressure sensor 3.
It is preferred that, first gyroscope 1 is arranged on the first knuckle of thumb, and second gyroscope 2 is arranged at institute State on the first knuckle of forefinger.
By adopting the above-described technical solution, a kind of method for collection hand gestures that the present invention is provided, can be to hand Attitude is accurately positioned, and error is small, highly versatile, meets the actual operational circumstances of human body, can catch eight kinds of attitudes with Between attitude, gathered data is sensitive accurate, and the collection based on mechanical characteristic will not be disturbed by ambient sound and light, stable Property is good.
The foregoing is intended to be a preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.

Claims (4)

1. a kind of method for gathering hand gestures, it is characterised in that comprise the following steps：
S1：Fixed collection hand gestures device, the collection hand gestures device includes the first gyroscope, the second gyroscope and wrist Portion's pressure sensor, fixes first gyroscope on thumb, and second gyroscope is fixed on forefinger, is fixed in wrist The wrist pressure sensor；
S2：Setup parameter, if the first gyroscope opening degree is K1, the second gyroscope opening degree is K2, wrist pressure biography The pressure value of sensor is P；By all finger grips, the K of setting now1For 0, K2It is P for 0, P values0；Thumb and forefinger is kept to hold Tightly, middle finger, the third finger and little finger of toe are opened, and now P values are P1；When all fingers are opened, the K of setting now1For 100%, K2For 100%；
S3：Wrist pressure parameter rate of change is calculated, if wrist pressure parameter rate of change is Q, Q value is calculated using below equation：
Q = P - P 0 P 1 - P 0 - - - ( 1 )
The P=P when thumb and forefinger are held with a firm grip, and middle finger, the third finger and little finger of toe are opened1, i.e. Q=1；
S4：Middle finger, the opening degree of nameless and little finger of toe are calculated, the action of middle finger, nameless and little finger of toe is set as a joint appearance State, the opening degree of middle finger, the third finger and little finger of toe is K3；
The opening degree K of thumb1With the opening degree K of forefinger2The influence that pressure value P to wrist pressure sensor is produced is met respectively Below equation：
Q1=0.1K1 (2)
Q2=0.18K2 (3)
K3Value using below equation calculate：
K 3 = P - P 0 P 1 - P 0 - 0.1 K 1 - 0.18 K 2 - - - ( 4 )
K in formula1Value be thumb opening degree, K2Value be forefinger opening degree, K3Value be middle finger, it is nameless and The joint attitude opening degree of little finger of toe.
2. the method for collection hand gestures according to claim 1, it is characterised in that：Also include step S5：By K1、K2With K3Value be transmitted separately to information process unit, described information processing unit is by K1、K2And K3Value be converted into control signal.
3. the method for collection hand gestures according to claim 2, it is characterised in that：Described information processing unit is by K1、K2 And K3Value be converted into the control signal of some attitude signals composition, wherein：
W=(K1, K2, K3) (5)
W is single attitude signal in formula, if W1=(0,0,0), W2=(1,0,0), W3=(1,1,0), W4=(1,1,1), W5= (0,1,1), W6=(0,1,0), W7=(0,0,1), W8=(1,0,1), you can catch 8 kinds of hand gestures.
4. a kind of device for gathering hand gestures, it is characterised in that：Side for the collection hand gestures described in claim 1 Method, also includes：
The first gyroscope for being arranged on thumb, the second gyroscope being arranged on forefinger and it is arranged at the wrist pressure of wrist and passes Sensor, also including information process unit, described information processing unit respectively with first gyroscope, second gyroscope and The wrist pressure sensor is connected.
CN201710211447.7A 2017-03-31 2017-03-31 Method and device for acquiring hand gesture Active CN106951109B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111984112A (en) * 2020-04-08 2020-11-24 海尔（青岛）国际智慧教育网络有限公司 Gesture recognition device and recognition method
CN113157087A (en) * 2021-02-19 2021-07-23 浙江大学 Finger pressure and gesture bimodal flexible sensing system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103263094A (en) * 2013-05-28 2013-08-28 张瞳 Intelligent induction glove system
WO2015131157A1 (en) * 2014-02-28 2015-09-03 Vikas Gupta Gesture operated wrist mounted camera system
CN105022471A (en) * 2014-04-23 2015-11-04 王建勤 Device and method for carrying out gesture recognition based on pressure sensor array
CN105975075A (en) * 2016-05-09 2016-09-28 深圳智华科技发展有限公司 Operation system and method for replacing computer mouse by operating through gesture posture identification

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103263094A (en) * 2013-05-28 2013-08-28 张瞳 Intelligent induction glove system
WO2015131157A1 (en) * 2014-02-28 2015-09-03 Vikas Gupta Gesture operated wrist mounted camera system
CN105022471A (en) * 2014-04-23 2015-11-04 王建勤 Device and method for carrying out gesture recognition based on pressure sensor array
CN105975075A (en) * 2016-05-09 2016-09-28 深圳智华科技发展有限公司 Operation system and method for replacing computer mouse by operating through gesture posture identification

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111984112A (en) * 2020-04-08 2020-11-24 海尔（青岛）国际智慧教育网络有限公司 Gesture recognition device and recognition method
CN113157087A (en) * 2021-02-19 2021-07-23 浙江大学 Finger pressure and gesture bimodal flexible sensing system

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