CN105757311B - A kind of recognition methods of the control gesture of tap - Google Patents
A kind of recognition methods of the control gesture of tap Download PDFInfo
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- CN105757311B CN105757311B CN201410817741.9A CN201410817741A CN105757311B CN 105757311 B CN105757311 B CN 105757311B CN 201410817741 A CN201410817741 A CN 201410817741A CN 105757311 B CN105757311 B CN 105757311B
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Abstract
The invention discloses a kind of recognition methods of tap control gesture, this method uses detection unit, and detection unit can detect first area and energy second area, and recognition methods comprises the following steps：One, setting hand is moved to second area effective time T1 from first area；Two, detection hand is moved to the time T3 of second area from first area, if T3 not in the range of T1, for invalid operation；Three, traveling time T2 of the hand in second area is set according to T3, and T2 is directly proportional to T3；Four, if T3, in the range of T1, but hand does not move to first area, then judges the action of second step for first effective gesture；Five, if being moved, but traveling time T4 of the hand in second area is less than T2, then judge hand between first area and second area back and forth movement for first effective gesture；If T4 is more than T2, judge that hand is moved in first area as second effective gesture.Method provided by the invention, identification is fast, and the degree of accuracy is high.
Description
Technical field
Present invention design is related to bathroom hot-water heating technical field, more particularly to a kind of recognition methods of tap control gesture.
Background technology
In the prior art, the recognition methods of tap control gesture is often to detect having near tap using sensor
Imitate in detection zone whether there are objects moving, further according to control signal corresponding to mobile direction generation.For example, user
When brandishing hand to the right from the left side of tap, sensor detects movement in one's hands, and produces the signal of increase water temperature or current,
When hand is moved to left side on the right side of tap, the signal for reducing water temperature or current is produced.This kind of gesture identification method is present
Defect.If user thinks continuously to heighten water temperature, once left side brandishing to the right is completed every time, it is necessary to get around detecting area
Once, very big inconvenience is brought to user in domain.
The content of the invention
In view of this, it is an object of the invention to overcome in the prior art the defects of, there is provided a kind of recognition speed is fast, operation
The recognition methods of the control gesture of tap convenient, Detection results are good.
The recognition methods of the control gesture of tap provided by the invention, the recognition methods are single using timer and detection
Member, the detection unit include the first detecting element and the second detecting element being oppositely arranged, and first detecting element is located at
The side of the tap, second detecting element are located at the opposite side of the tap, and first detecting element can
The region detected is first area, and the region that second detecting element is able to detect that is second area, the identification side
Method comprises the following steps：
The first step, preset hand and be moved to second area from the first area or be moved to from the second area
The effective time of first area is T1；
Second step, when detection unit detection it is in one's hands in the first region, and towards second area move when, the timing
Device starts timing, and when hand is moved to second area, the timer completes a timing, and the timer timing time is
T3, judge that T3 whether in the range of T1, if not in the range of T1, is judged as invalid operation；
3rd step, traveling time T2 of the hand in the first area or the shifting in the second area are set according to T3
The dynamic time is T2, and wherein T2 is directly proportional to T3, and T2 is less than T1；
4th step, if T3 in the range of T1, further detects whether hand is moved from second area to first area,
If not being moved, judge that the hand in the second step is moved in second area as first effective hand from first area
Gesture, and produce the first signal；
5th step, if detection hand is moved to the first area from the second area, measurement hand is in secondth area
Traveling time in domain, the traveling time is T4, if T4 is less than T2, judges that hand is moved to described from the first area
Two regions, then it is also first effective gesture to move back to the first area from the second area, and produce the first signal；If T4
More than T2, then judge that hand is moved in the first area as second effective gesture from the second area and produces the second letter
Number.
Further, the time T1 is 0.1s-1s.
Further, the time T2 is 0.05s-0.5s.
Further, first signal is used for heightening water flow temperature or water velocity, and the secondary signal is used for turning down water
The temperature or water velocity of stream.
Further, first detecting element and the second detecting element are located at same level or same perpendicular.
Further, the detection unit also includes being oppositely arranged the 3rd detecting element and the 4th detecting element, and the described 3rd
Direction phase of the detecting element towards the direction of the 4th detecting element with first detecting element towards the second detecting element
It is mutually vertical；The region that 3rd detecting element is able to detect that is the 3rd region, and the 4th detecting element is able to detect that
Region be the 4th region, the recognition methods comprises the following steps：When hand moves from the 3rd region towards the 4th region, institute
State timer and start timing, when hand is moved to four regions, the timer completes a timing, and the timer is constantly
Between be T5, judge that T5 whether in the range of the T1, if not in the range of T1, is judged as invalid operation；If in the range of T1,
Further measurement hand is from the 4th region to the 3rd region when moving, hand the 3rd region traveling time, when described mobile
Between be T6, if T6 is less than T2, judge that hand is moved to the 4th region from the 3rd region, then move from the 4th region
It is the 3rd effective gesture to move to the 3rd region, and produces the 3rd signal；If T6 is more than T2, judge hand from the 4th area
Moved once as the 4th effective gesture and the 4th signal of generation to the 3rd region in domain.
Further, first detecting element, second detecting element, the 3rd detecting element and the 4th inspection
It is infrared sensor to survey element.
Using above-mentioned technical proposal, have the advantages that：
The recognition methods of the control gesture of tap provided by the invention, due to the first detection being oppositely arranged using two
Second detecting element of element, recognition methods measurement hand are moved to the time of second area and the ratio of setting time from first area
Compared with judging whether to occur effectively to control gesture.Simultaneously also measure hand from second area be moved to first area when, in the secondth area
The time moved in domain compared with setting time, is identified in hand from having during first area with back and forth movement in second area
Imitate the classification of gesture.The control gesture method of tap provided by the invention, it is simple to operate, hand is reduced in back and forth movement,
The time of different effectively gesture switchings, and the accuracy of identification gesture.
Brief description of the drawings
Fig. 1 is the schematic perspective view in the recognition methods of the control gesture of tap of the present invention the first embodiment；
Fig. 2 is the schematic perspective view in second of embodiment of recognition methods of the control gesture of tap of the present invention；
Fig. 3 is the timing principles figure of the recognition methods of the control gesture of tap of the present invention；
Fig. 4 is the logic control schematic diagram in the recognition methods of the control gesture of tap of the present invention the first embodiment.
The reference table of comparisons：
The detecting elements of 1- first；The detecting elements of 2- second；
The detecting elements of 3- first；The detecting elements of 4- second；
11- first areas；21- second areas；
The regions of 31- the 3rd；The regions of 41- the 4th.
Embodiment
Below in conjunction with the accompanying drawings come further illustrate the present invention embodiment.It should be noted that below in description
The word "front", "rear", "left", "right", the "up" and "down" that use refer to the direction in accompanying drawing, word " interior " and " outer " difference
Refer to towards or away from the direction of particular elements geometric center.
It is shown as shown in Figure 1, Figure 3 and Figure 4, the recognition methods of the tap control gesture in one embodiment of the invention, identification side
Method employs timer and detection unit, and detection unit includes the first detecting element 1 and the second detecting element 2 being oppositely arranged,
First detecting element 1 is located at the side of tap, and the second detecting element 2 is located at the opposite side of tap, the energy of the first detecting element 1
The region enough detected is first area 11, and the region that the second detecting element 2 is able to detect that is second area 21, recognition methods
Comprise the following steps：
The first step, preset hand and be moved to second area 21 from first area 11 or be moved to from second area 21
The effective time in one region 11 is T1；
Second step, when detection unit detect it is in one's hands in first area 11, and towards second area 21 move when, timing
Device starts timing, and when hand is moved to second area 21, timer completes a timing, and timer timing time is T3, judges
If T3, not in the range of T1, is judged as invalid operation whether in the range of T1；
3rd step, when determining traveling time T2 of the hand in first area 11 or mobile in second area 21 according to T3
Between be T2, wherein T2 is directly proportional to T3, and T2 is less than T1；
4th step, if T3 in the range of T1, further detects whether hand occurs from second area 21 to first area 11
It is mobile, if not being moved, judge that the hand in second step moves back to that second area 21 is interior to be had for first from first area 11
Gesture is imitated, and produces the first signal；
5th step, if detection hand is moved to first area 11 from second area 21, measurement hand is in second area 21
Traveling time, the traveling time is T4, if T4 is less than T2, judges that hand is moved to second area 21 from first area 11, then from
It is also first effective gesture that second area 21, which is moved to first area 11, and produces the first signal；If T4 is more than T2, hand is judged
It is moved to from second area 21 in first area 11 as second effective gesture and produces secondary signal.
As shown in figure 1, the first detecting element 1 and the second detecting element 2 are located in same level, and it is spaced relative set
Put.Wherein, it is +X direction towards the direction of the first detecting element 1, the direction towards the second detecting element is -X direction.When hand exists
, it is necessary to identify back and forth movement gesture during back and forth movement between first detecting element 1 and the second detecting element 2, and produce different
Control signal.
As shown in figure 3, wherein, the direction of arrow in Fig. 3, represent the direction that user's arm moves.Timer measuring hand from
First area 11 is moved to the traveling time T3 of second area 21, and traveling time T3 is compared with setting time T1.Setting
Time T1 is a kind of scope.When T3 is more than T1, then illustrate hand be moved to from first area 11 second area 21 time it is oversize,
It is not the gesture of effective adjustable tap, now judges this mobile gesture for invalid gesture.If T3 is less than T1, then it represents that
The time that hand is moved to second area 21 from first area 11 is too short, is judged as maloperation.
Hand is moved to the time T3 of second area 21, speed and first area of the time T3 with hand movement from first area 11
11 is associated to the distance between second area 21.The speed of hand movement is faster, and first area 11 is between second area 21
Distance is shorter, then time T3 is fewer.It is otherwise bigger with regard to time T3.
T3 is located in setting time T1 between upon displacement, is judged as effectively operating, further according to traveling time T3 come really
Determine setting time T2.Setting time T2 is directly proportional to traveling time T3.That is, hand is in first area 11 and second area 21
Between do and once reciprocate during, after hand first moves second area 21 from first area 11, then out of second area 21
Do and once reciprocate, moved towards first area 11, is finally moved in first area 11.Back and forth movement of hand, tool
For body, i.e. hand is reverse in second area 21 into after second area 21 towards -X direction in first area 11, then court+X
Direction is moved, and is finally displaced into first area 11.
If the time T3 that hand is moved to second area 21 from first area 11 is shorter, illustrate that the speed of hand movement is got over
It hurry up, therefore, translational speed of the hand in follow-up second area 21 is also faster, and therefore, according to this feature, setting time T2 is with moving
Dynamic time T3 is directly proportional.Therefore, setting time T2 is not a fixed value, but a value that can change in certain limit.
After timer, which gathers first area 11 in one's hands, is moved to the traveling time T3 of second area 21, according to traveling time
T3 and relative program can set in advance calculate setting time T2 numerical value at once, if traveling time T3 is got over
Small, setting time T2 is correspondingly smaller, can so reduce the time for judging gesture.
According to setting time T2, the traveling time T4 that hand actually measures in first area 11 or second area 21 is contrasted,
If traveling time T4 is less than setting time T2, then it represents that after hand enters second area 21, is rapidly moved back towards first area 11
It is dynamic, now judge that hand back and forth movement between first area 11 and second area 21 for a first effective gesture, and produces
Raw first signal.First signal can be the signal for improving water temperature, or improve the signal of water velocity.Meanwhile if operator's weight
Multiple first time back and forth movement, then continue to be identified as first effective gesture, and produce the first signal, further improve water temperature or current
Speed.
When detect it is in one's hands be moved to second area from first area 11 after, whether detection unit further detects hand from second
Region 21 is moved to first area 11, if not being moved, judges that the hand in second step moves from first area 11
It is first effective gesture in second area 21, and produces the first signal, be i.e. hand is unidirectional from first area 11 to second area 21
Motion is also first effective gesture, produces the first signal.
If traveling time T4 is more than setting time T2, then it represents that, in setting time T2, there is not second area 21 in hand
Moved to first area 11, i.e., after hand is moved into second area 21 towards-X, within the T2 times, hand is still in second area 21
In, it is not moved to first area 11 towards +X direction.The translational speed of this explanation hand reduces, or even has of short duration pause, when
After setting time T2, hand is moved in first area 11 to +X direction again, is now identified as hand from second area 21 to
The one-way movement in one region 11 is second effective gesture, and produces secondary signal.Secondary signal can reduce the signal of water temperature,
Or reduce the signal of water velocity.
The recognition methods of above-mentioned gesture, winding by hand search coverage can be avoided to change control gesture, while can also basis
Hand translational speed different in detection zone, identifies different gestures, produces different signals, reduces tap control ginseng
The time of number switching.Make simple to operate, natural, smooth.
In the present embodiment, above-mentioned setting time T1 is 0.1s-1s.According to daily life experience, general the elderly's movement
Speed is slower, and the speed of young man's movement, and it is 0.1s-1s to determine setting time T1
In the present embodiment, the setting time T2 that above-mentioned hand moves in first area 11 or second area 21 is 0.05s-
0.5s.Due to the length of first area 11 or the length of second area 21 be less than first area 11 to second area 21 away from
From.Accordingly, it is determined that setting time T2 is 0.05s-0.5s.Setting time T2 is directly proportional to actual traveling time T3.I.e. when hand from
The traveling time T3 that first area 11 is moved to second area 21 is shorter, then setting time T2 is also shorter, and T2 tends to close
0.05s, upon displacement between T3 it is longer, setting time T3 is also longer.So in quick-moving fast moving process, the identification hand of this method
The speed of gesture classification is also accelerated therewith, both ensure that the accuracy of identification gesture, the speed of the identification improved again.
In the present embodiment, the first detecting element 1 and the second detecting element 2 are located at same level or same perpendicular.
If the first detecting element 1 and the second detecting element 2 are located at same level, it can identify that user moves in the horizontal direction hand
The different gestures of arm, i.e. X-direction in Fig. 1.If the first detecting element 1 and the second detecting element 2 are located at same perpendicular,
Different gestures of the user in vertical direction movement arm, i.e. Y-direction in figure can be identified.Certainly, in practical operation, user
Arm may not be utterly to move horizontally or utterly vertical shift when mobile, according to the first detecting element 1 and the
The recognition capability of two detecting elements 2, when can allow the movement of user's arm, its track moved can be with horizontal plane or vertical plane
It is at a certain angle, it is to identify when this general angle is less than 20 °.For example, working as user's inclination movement arm, its is inclined
Direction is less than 20 °, and recognition methods of the invention thinks that hand is occurred level movement, and produces the first signal or secondary signal.
During second of the present invention is implemented, as shown in Fig. 2 detection unit also includes being oppositely arranged the He of the 3rd detecting element 3
4th detecting element 4, the 3rd detecting element 3 detect towards the direction of the 4th detecting element 4 and the first detecting element 1 towards second
The direction of element 2 is mutually perpendicular to.The region that 3rd detecting element 3 is able to detect that is the 3rd region 31, the energy of the 4th detecting element 4
The region enough detected is the 4th region 41, and recognition methods comprises the following steps：
When hand moves from the 3rd region 31 towards the 4th region 41, timer starts timing, when hand is moved to the 4th area
During domain 41, timer completes a timing, and timer timing time is T5, T5 is judged whether in the range of T1, if not in T1
In the range of, then it is judged as invalid operation.If in the range of T1, further measure hand and moved from the 4th region 41 to the 3rd region 31
When dynamic, hand is in the traveling time in the 4th region 41, traveling time T6, if T6 is less than T2, judges that hand moves from the 3rd region 31
Move to the 4th region 41, then it is the 3rd effective gesture to be moved to the 3rd region 31 from the 4th region 41, and produce the 3rd signal；If
T6 is more than T2, then judges that hand is moved once for the 4th effective gesture from the 4th region 41 to the 3rd region 31, and produces the 4th letter
Number.
Specifically, when in the 3rd region 31 and the 4th region 41 back and forth movement occurs for hand, above-mentioned identification side
Method can identify two kinds of different gestures.When traveling time T6 is less than setting time T2 to hand in the 4th region 41, hand is judged
It is the 3rd effective gesture that a back and forth movement occurs between the 3rd region 31 and the 4th region 41, when hand is in the 4th region 41
When traveling time T6 is more than setting time T2, then judge that hand is unidirectionally moved to the 3rd region 31 as the 4th motion from the 4th region 41
Gesture.
As shown in Fig. 2 the 3rd detecting element 3 is +Y direction towards the direction of the 4th detecting element 4, -Y direction is reversed.
First detecting element 1 is +X direction towards the direction of the second detecting element 2, is reversed -X direction.It can so identify hand in water
Moved in plane and the movement in vertical level.So as to can both produce the first signal and secondary signal, can also produce
3rd signal and the 3rd signal.For example, when the first signal of setting is the signal of increase water temperature, secondary signal is to reduce the letter of water temperature
Number, then it is the signal for increasing water velocity that can set the 3rd signal, and the 4th signal is the signal for reducing water velocity.
3rd detecting element 3 and the 4th its operation principle of detecting element 4 are similar to the first detecting element 1 and the second detection member
Part 2, here is omitted.It is of course also possible to increase detecting element in other directions, and then judge what is occurred on different directions
Different gestures, different control signals is produced, its principle is similar, no longer enumerates herein.
In the present embodiment, the first detecting element 1, the second detecting element 2, the 3rd detecting element 3 and the 4th detecting element 4 are equal
For infrared sensor.Infrared sensor can be in the movement of normal temperature action recognition user's arm, according to the temperature sensing hand of arm
The changing rule of arm, human body and other objects are distinguished, while infrared sensor fast response time, high sensitivity, improve hand
The degree of accuracy of gesture identification.Certainly, in gesture identification method of the invention, the first detecting element 1, the inspection of the second detecting element the 2, the 3rd
Other kinds of sensor or inductor can also be used by surveying the detecting element 4 of element 3 and the 4th, as long as user's arm can be detected
Motion.
Above-described is only the principle and preferred embodiment of the present invention.It should be pointed out that the common skill for this area
For art personnel, on the basis of the principle of the invention, some other modifications can also be made, also should be regarded as the protection model of the present invention
Enclose.
Claims (7)
1. a kind of recognition methods of tap control gesture, the recognition methods use timer and detection unit, the detection
Unit includes the first detecting element and the second detecting element being oppositely arranged, and first detecting element is located at the tap
Side, second detecting element are located at the opposite side of the tap, the region that first detecting element is able to detect that
For first area, the region that second detecting element is able to detect that is second area, it is characterised in that the recognition methods
Comprise the following steps：
The first step, preset hand and be moved to second area from the first area or be moved to first from the second area
The effective time in region is T1；
Second step, when detection unit detection it is in one's hands in the first region, and towards second area move when, the timer is opened
Beginning timing, when hand is moved to second area, the timer completes a timing, and the timer timing time is T3, is sentenced
If disconnected T3, not in the range of T1, is judged as invalid operation whether in the range of T1；
3rd step, when setting traveling time T2 of the hand in the first area or mobile in the second area according to T3
Between be T2, wherein T2 is directly proportional to T3, and T2 is less than T1；
4th step, if T3 in the range of T1, further detects whether hand is moved from second area to first area, if not having
It is moved, then judges that the hand in the second step is moved in second area as first effective gesture from first area, and
Produce the first signal；
5th step, if detection hand is moved to the first area from the second area, measurement hand is in the second area
Traveling time, the traveling time is T4, if T4 is less than T2, judges that hand is moved to secondth area from the first area
Domain, then it is first effective gesture to move back to the first area from the second area, and produce the first signal；If T4 is more than
T2, then judge that hand is moved in the first area as second effective gesture from the second area and produces secondary signal.
2. the recognition methods of tap according to claim 1 control gesture, it is characterised in that the setting time T1 is
0.1s-1s。
3. the recognition methods of tap according to claim 2 control gesture, it is characterised in that the setting time T2 is
0.05s-0.5s。
4. the recognition methods of tap control gesture according to claim 1, it is characterised in that first signal is used for
Water flow temperature or water velocity are heightened, the secondary signal is used for turning down the temperature or water velocity of current.
5. the recognition methods of tap control gesture according to claim 1, it is characterised in that first detecting element
It is located at same level or same perpendicular with the second detecting element.
6. the recognition methods of tap control gesture according to claim 1, it is characterised in that the detection unit is also wrapped
Include and be oppositely arranged the 3rd detecting element and the 4th detecting element, the 3rd detecting element is towards the side of the 4th detecting element
It is mutually perpendicular to direction of first detecting element towards the second detecting element；3rd detecting element is able to detect that
Region be the 3rd region, the region that the 4th detecting element is able to detect that is the 4th region, and the recognition methods includes
Following steps：
When hand moves from the 3rd region towards the 4th region, the timer starts timing, when hand is moved to four regions,
The timer completes a timing, and the timer timing time is T5, judges T5 whether in the range of setting time T1,
If not in the range of T1, it is judged as invalid operation；
If in the range of T1, when further measurement hand moves from the 4th region to the 3rd region, hand is in the four-range
Traveling time, the traveling time are T6, if T6 is less than setting time T2, it is described to judge that hand is moved to from the 3rd region
4th region, then it is the 3rd effective gesture to be moved to the 3rd region from the 4th region, and produce the 3rd signal；If T6
More than setting time T2, then judge hand to be moved from the 4th region to the 3rd region once and for the 4th effective gesture and produce
Raw 4th signal.
7. the recognition methods of tap control gesture according to claim 6, it is characterised in that the first detection member
Part, second detecting element, the 3rd detecting element and the 4th detecting element are infrared sensor.
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| CN201410817741.9A CN105757311B (en) | 2014-12-19 | 2014-12-19 | A kind of recognition methods of the control gesture of tap |
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| CN107725863A (en) * | 2017-09-08 | 2018-02-23 | 绵阳西真科技有限公司 | A kind of multifunctional filtering tap and Intelligent control method |
| CN108343769A (en) * | 2018-01-25 | 2018-07-31 | 隔空（上海）智能科技有限公司 | A kind of tap and its control method based on microwave radar Gesture Recognition |
| CN109899578B (en) * | 2019-02-28 | 2021-06-08 | 昆山品源知识产权运营科技有限公司 | Intelligent faucet, control method, electronic equipment and storage medium |
| CN109915641A (en) * | 2019-02-28 | 2019-06-21 | 上海与德通讯技术有限公司 | A kind of intelligent tap, control method, device, electronic equipment and storage medium |
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| US6962168B2 (en) * | 2004-01-14 | 2005-11-08 | Masco Corporation Of Indiana | Capacitive touch on/off control for an automatic residential faucet |
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