CN205247404U - System is judged to gesture based on far infrared - Google Patents
System is judged to gesture based on far infrared Download PDFInfo
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- CN205247404U CN205247404U CN201520908108.0U CN201520908108U CN205247404U CN 205247404 U CN205247404 U CN 205247404U CN 201520908108 U CN201520908108 U CN 201520908108U CN 205247404 U CN205247404 U CN 205247404U
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Abstract
The utility model relates to an image signal processing technique field especially relates to a system is judged to gesture based on far infrared. Gather user's gesture image in real time through far infrared collection system, form a plurality of collection signal output that in chronological order arranged that press, image processing unit receives and gathers the signal to do image processing formation and gather the output of signal assorted image signal gathering the signal, the the control unit receive images signal to form control signal output according to an image signal and a last image signal. The advantage that adopts this kind of mode lies in that the infrared distance of propagating is (air propagation loss is less) far away, is favorable to remote control in the air, the image data handling capacity is less, the consumption is less, only need handle gesture action image and can realize controlling the purpose, only install a far infrared collection system in addition and can realize control on current mobile terminal, be favorable to portable mobile terminal's design, its manufacturing cost is also lower in addition.
Description
Technical field
The utility model relates to a kind of technical field of image signal processing, relates in particular to a kind of based on far infraredGesture judge system.
Background technology
In computer science, gesture identification is to identify a subject under discussion of mankind's gesture by mathematical algorithm.Gesture identification can be from the motion of people's parts of body, but generally refers to the motion of face and hand. ExistingIn some mobile terminals, be provided with corresponding gesture identifying device, by detecting one or more gesture motion,And use corresponding gesture identification device to process the corresponding event in one or more events. This corresponding eventProcessing comprises: know in this corresponding gesture according to the corresponding definition of gesture corresponding with corresponding gesture identification deviceIn other device, process this corresponding event, carry out the correspondence representative of this corresponding gesture identification device according to application stateTo determine one or more values, and the result of processing corresponding event according to this corresponding gesture identification device withAnd export according to one or more values of the representative decision by corresponding, existing gesture identifying device is adopted mostlyBy ultrasonic recognition technology or image recognition technology, adopt the most tool of gesture identifying device of image recognition technologyHave one or more case sensors, and be configured to carry out comprise multiple views and software application shouldBy the software application of state. But the defect of this kind of method is: image recognition information processing capacity is more,First piece image is needed to judge that hand gesture location (need to be to a large amount of unnecessary image information placesReason), the concrete action that continues opponent's gesture after acquisition hand gesture location makes a decision, and application software is according to judgementResult is exported corresponding control instruction, and then adopts this kind of method power consumption larger, and is unfavorable for portable movingThe design of moving terminal; The gesture identifying device that adopts ultrasonic technique, the ultrasonic wave that supersonic array sends, connectsReceiving apparatus receives hyperacoustic feedback information, judges gesture motion according to this feedback information, and this kind of method depositedDefect be, ultrasonic propagation loss large (ultrasonic frequency is higher, and its loss is also larger),Only use for in-plant gesture and differentiate, secondly ultrasonic wave in the time running into barrier, the standard of feedback informationReally rate is lower, and this kind of mode need to be installed supersonic array in addition, is also unfavorable for portable mobile termianl design.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of and judges system based on far gesture.
One judges system based on far gesture, is applied to mobile terminal, wherein, comprising:
Far infrared harvester, in order to Real-time Collection user's images of gestures, forms a plurality of suitable by the timeThe collection signal output that order is arranged;
Graphics processing unit, receives described collection signal, and described collection signal is done to image and process formationThe image signal output matching with described collection signal;
Control module, receives described picture signal, and according to described picture signal and a upper described imageSignal formation one control signal output.
Preferably, above-mentioned one judges system based on far gesture, and wherein, described image is processed singleUnit comprises:
Sharpening processing device, in order to read described collection signal, and does sharpening place to described collection signalReason is to obtain images of gestures signal;
Filter, in order to receive described images of gestures signal, and filters described images of gestures signalRipple processes to obtain images of gestures profile.
Preferably, above-mentioned one judges system based on far gesture, and wherein, described filter isHigh pass filtering device.
Preferably, above-mentioned one judges system based on far gesture, wherein, and described control signal bagDraw together the first control signal, the second control signal,
In the time that described picture signal changes with respect to a upper described picture signal displacement, described controlThe first control signal is exported in unit;
When described picture signal changes with respect to a upper described picture signal area, described control listUnit's output the second control signal.
Preferably, above-mentioned one judges system based on far gesture, wherein, and described control signal bagDraw together the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal,
In the time that described picture signal moves to right with respect to a upper described picture signal, described control module outputThe 3rd control signal;
In the time that described picture signal moves to left with respect to a upper described picture signal, described control module outputThe 4th control signal;
When described picture signal increases with respect to a upper described picture signal area, described control module is defeatedGo out the 5th control signal;
When described picture signal reduces with respect to a upper described picture signal area, described control module is defeatedGo out the 6th control signal.
A kind of mobile terminal, wherein, comprises,
Far infrared harvester, is arranged at the optional position of described mobile terminal, uses in order to Real-time CollectionThe images of gestures at family, forms a plurality of collection signal output of arranging in chronological order;
Graphics processing unit, receives described collection signal, and described collection signal is done to image and process shapeBecome the image signal output matching with described collection signal;
Control module, receives described picture signal, and according to described picture signal and a upper described figureImage signal forms a control signal output.
Compared with prior art, the utility model has the advantages that:
By far infrared harvester Real-time Collection user's images of gestures, form in chronological order a plurality ofThe collection signal output of arranging; Graphics processing unit receives described collection signal, and to described collection signalDo image processing and form the image signal output matching with described collection signal; Described in control module receivesPicture signal, and form a control signal output according to described picture signal and a upper described picture signal.Adopt the advantage of this kind of mode to be, (air borne loss for infrared propagate in air distantLittle), be conducive to far distance controlled; View data treating capacity is less, power consumption is less, only needs to process handGesture motion images can realize control object; One far infrared is only installed in addition on existing mobile terminalHarvester can be realized control, is conducive to the design of portable mobile termianl, and its production cost also in additionLower.
Brief description of the drawings
Fig. 1 is the structural representation that judges system in the utility model based on far gesture.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as this realityWith novel restriction.
Below in conjunction with the accompanying drawing in the utility model embodiment, to the technology in the utility model embodimentScheme is clearly and completely described, and obviously, described embodiment is only one of the utility modelDivide embodiment, instead of whole embodiment. Based on the embodiment in the utility model, this area is commonThe every other embodiment that technical staff obtains under the prerequisite of not making creative work, belongs toThe scope of the utility model protection.
It should be noted that, in the situation that not conflicting, in embodiment and embodiment in the utility modelFeature can mutually combine.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as this realityWith novel restriction.
As shown in Figure 1, one judges system based on far gesture, is applied to mobile terminal, wherein,Comprise:
Far infrared harvester, in order to Real-time Collection user's images of gestures, forms a plurality of suitable by the timeThe collection signal output that order is arranged;
Graphics processing unit, receives collection signal, and collection signal is done to image and process formation and gather letterThe image signal output number matching;
Control module, receives picture signal, and forms a control according to picture signal and a upper picture signalSignal output processed.
Human body is with respect to one of other static objects more important distinctive points, and human body has temperature,The application utilizes this distinguishing characteristics, provides a kind of and judges system based on far gesture, and it is concreteOperation principle is: far infrared harvester, Real-time Collection user's images of gestures, forms on time a plurality ofBetween the output of tactic collection signal; The collection signal now obtaining only comprises gesture motion image,Do not comprise that other ambient image are (because of the variation that the various article in current environment can not produce temperature, far awayInfrared collecting device cannot obtain the images of items that there is no temperature, and then the data place of the image greatly reducingReason amount), graphics processing unit does image processing to collection signal and forms the image letter matching with collection signalNumber output; Graphics processing unit processes images of gestures, obtains the profile information of images of gestures, through figureStill continue to arrange according to time sequencing as the image information after processing unit processes, control module is according to figureImage signal and a upper picture signal form a control signal output. Arrange according to time sequencing by image informationRow, control module compares the picture signal of two adjacent times, judges two adjacent temporal image lettersThe displacement of breath and/or the comparison of area information, and then according to this comparative result formation control signal output. AdoptBe by the advantage of this kind of mode, infrared distant (air borne loss is less) of propagating in air,Be conducive to far distance controlled; View data treating capacity is less, power consumption is less, only needs to process gesture movingMake image and can realize control object; One far infrared collection is only installed in addition on existing mobile terminalDevice can be realized control, is conducive to the design of portable mobile termianl, and its production cost is also lower in addition.
As further preferred embodiment, above-mentioned one judges system based on far gesture, wherein,Graphics processing unit comprises:
Sharpening processing device, in order to read collection signal, and does sharpening to collection signal and processes to obtainImages of gestures signal; Because collection signal comprises the fuzzy image of part of gesture and external environment, handBetween the color of the color of gesture image and external environment image, exist larger color range poor, by sharpening processingDevice extracts the image of the gesture (whole palm is all to have temperature) of whole palm.
Filter, in order to receive images of gestures signal, and does filtering to gesture picture signal and processes to obtainGet images of gestures profile. Further, filter is high pass filtering device. High-pass filtering is to whole handGesture image does filtering processing, by part filtering identical color range in images of gestures, only obtains images of gestures(color range of images of gestures is different from the color range of external environment condition, and filter only filtering is mutually homochromy for gesture profileExponent part, is retained different color range parts). By sharpening processing, high-pass filtering processing, extraction is adoptedGesture profile in collection signal,
As further preferred embodiment, above-mentioned one judges system based on far gesture, wherein,Control signal comprises the first control signal, the second control signal,
In the time that picture signal changes with respect to a upper picture signal displacement, control module output firstControl signal;
When picture signal changes with respect to a upper picture signal area, control module output the second controlSignal processed.
As further preferred embodiment, above-mentioned one judges system based on far gesture, wherein,Control signal comprises the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal,
In the time that picture signal moves to right with respect to a upper picture signal, letter is controlled in control module output the 3rdNumber;
In the time that picture signal moves to left with respect to a upper picture signal, letter is controlled in control module output the 4thNumber;
When picture signal increases with respect to a upper picture signal area, letter is controlled in control module output the 5thNumber;
When picture signal reduces with respect to a upper picture signal area, letter is controlled in control module output the 6thNumber.
Gesture motion at least can comprise gesture change in displacement, gesture area (in two dimensional image for area,In three dimensions, be volume) change, further gesture change in displacement at least comprises to left dislocation and to the rightDisplacement, the area change of gesture at least comprises that area increases and area reduces, according to four kinds of above-mentioned variations,Can at least be provided with four control commands, particularly, in picture signal with respect to a upper picture signalWhile moving to right, control module output the 3rd control signal; In picture signal with respect to a upper picture signal left sideWhile moving, control module output the 4th control signal; Picture signal increases with respect to a upper picture signal areaWhen large, control module output the 5th control signal; Picture signal subtracts with respect to a upper picture signal areaHour, control module output the 6th control signal. In actual application, above-mentioned control signal rootCan comprise " amplification ", " dwindling ", " moving to left ", " moving to right ", " determining ", " get according to different application scenariosDisappear " etc., be only a kind of way of example herein, not to further restriction of the present utility model.
A kind of mobile terminal, wherein, comprises,
Far infrared harvester, is arranged at the optional position of mobile terminal, in order to Real-time Collection user'sImages of gestures, forms a plurality of collection signal output of arranging in chronological order;
Graphics processing unit, receives collection signal, and collection signal is done to image and process formation and gatherThe image signal output that signal matches;
Control module, receives picture signal, and forms one according to picture signal and a upper picture signalControl signal output.
Above-mentioned mobile terminal comprises and above-mentioned judges system based on far gesture, its operation principle withAbove-mentioned judges that based on far gesture system is identical, does not repeat herein.
These are only the utility model preferred embodiment, not thereby limit enforcement side of the present utility modelFormula and protection domain, to those skilled in the art, should recognize that all this practicalities of utilization are newWhat type description and diagramatic content had been done be equal to replaces and scheme that apparent variation obtains, equalShould be included in protection domain of the present utility model.
Claims (6)
1. judge a system based on far gesture, be applied to mobile terminal, it is characterized in that, comprising:
Far infrared harvester, in order to Real-time Collection user's images of gestures, forms a plurality of suitable by the timeThe collection signal output that order is arranged;
Graphics processing unit, receives described collection signal, and described collection signal is done to image and process formationThe image signal output matching with described collection signal;
Control module, receives described picture signal, and according to described picture signal and a upper described imageSignal formation one control signal output.
2. one judges system based on far gesture according to claim 1, it is characterized in that,Described graphics processing unit comprises:
Sharpening processing device, in order to read described collection signal, and does sharpening place to described collection signalReason is to obtain images of gestures signal;
Filter, in order to receive described images of gestures signal, and filters described images of gestures signalRipple processes to obtain images of gestures profile.
3. one judges system based on far gesture according to claim 2, it is characterized in that,Described filter is high pass filtering device.
4. one judges system based on far gesture according to claim 1, it is characterized in that,Described control signal comprises the first control signal, the second control signal,
In the time that described picture signal changes with respect to a upper described picture signal displacement, described controlThe first control signal is exported in unit;
When described picture signal changes with respect to a upper described picture signal area, described control listUnit's output the second control signal.
5. one judges system based on far gesture according to claim 1, it is characterized in that,Described control signal comprises the 3rd control signal, the 4th control signal, the 5th control signal, the 6th controlSignal,
In the time that described picture signal moves to right with respect to a upper described picture signal, described control module outputThe 3rd control signal;
In the time that described picture signal moves to left with respect to a upper described picture signal, described control module outputThe 4th control signal;
When described picture signal increases with respect to a upper described picture signal area, described control module is defeatedGo out the 5th control signal;
When described picture signal reduces with respect to a upper described picture signal area, described control module is defeatedGo out the 6th control signal.
6. a mobile terminal, is characterized in that, comprises,
Far infrared harvester, is arranged at the optional position of described mobile terminal, uses in order to Real-time CollectionThe images of gestures at family, forms a plurality of collection signal output of arranging in chronological order;
Graphics processing unit, receives described collection signal, and described collection signal is done to image and process shapeBecome the image signal output matching with described collection signal;
Control module, receives described picture signal, and according to described picture signal and a upper described figureImage signal forms a control signal output.
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| CN201520908108.0U CN205247404U (en) | 2015-11-13 | 2015-11-13 | System is judged to gesture based on far infrared |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106709403A (en) * | 2015-11-13 | 2017-05-24 | 钰太芯微电子科技（上海）有限公司 | Gesture discrimination system and method based on far infrared light |
| CN114690976A (en) * | 2021-04-22 | 2022-07-01 | 广州创知科技有限公司 | System home page interface interactive operation method and device based on elastic waves |
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2015
- 2015-11-13 CN CN201520908108.0U patent/CN205247404U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106709403A (en) * | 2015-11-13 | 2017-05-24 | 钰太芯微电子科技（上海）有限公司 | Gesture discrimination system and method based on far infrared light |
| CN114690976A (en) * | 2021-04-22 | 2022-07-01 | 广州创知科技有限公司 | System home page interface interactive operation method and device based on elastic waves |
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