CN102981617A - Gesture recognition system and gesture recognition method - Google Patents
Gesture recognition system and gesture recognition method Download PDFInfo
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- CN102981617A CN102981617A CN2012104567661A CN201210456766A CN102981617A CN 102981617 A CN102981617 A CN 102981617A CN 2012104567661 A CN2012104567661 A CN 2012104567661A CN 201210456766 A CN201210456766 A CN 201210456766A CN 102981617 A CN102981617 A CN 102981617A
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Abstract
Disclosed is a gesture recognition system. The gesture recognition system comprises an image acquisition module, an image analyzing module, a judgment module and a determining module. The image acquisition module is used for obtaining a plane image in front of an electronic device from an image device, wherein the plane image is shot by the image device, and the image device and a light source which shoots light toward the plane are respectively arranged on different sides of the electronic device. The image analyzing module is used for judging whether two objects with similar characteristics exist in the obtained image. The judgment module is used for judging whether points of the same position exist in two obtained images when the two objects with the similar characteristics exist in the obtained image. The determining module is used for determining the plane in the front of the electronic device to be touched and determining points with the same position as a touched position. The invention further provides a gesture recognition method which can determine whether the plane is touched or not.
Description
Technical field
The present invention relates to gesture recognition system and gesture identification method, particularly a kind of gesture recognition system and the gesture identification method that can determine whether the plane is touched.
Background technology
As shown in Figure 1, present gesture identification is by the motions of a camera 100 picked-up object 200 on a plane 300, and the symbol on the plane 300 of determining to be touched according to this image, and carries out the corresponding operation of this symbol.But present gesture identification is that the symbol on the corresponding plane 300, position that stops by object 200 is determined the symbol that is touched, and in fact object 200 may not have the symbol of contact plane 300 and caused erroneous judgement to be broken this moment.
Summary of the invention
In view of above content, be necessary to provide a kind of gesture recognition system and gesture identification method, can determine whether object has touched the plane.
A kind of gesture recognition system, this gesture recognition system comprises: an image acquiring module, be used for obtaining from a camera head image on a plane of the electronic installation front that this camera head absorbs, wherein, this camera head and a light source to this planar projective light are arranged at respectively the not homonymy of this electronic installation; One image analysing computer module is used for judging whether this image that obtains exists two objects with similar features point; One judge module when the image existence that is used for obtaining when this has two objects of similar features point, is judged the point that whether these two objects have same position in this image that obtains; And a determination module, being used for when these two objects have the point of same position, the plane of determining this electronic installation front is touched and the point of definite this same position is the position that is touched.
A kind of gesture identification method, this gesture identification method comprises: the image that obtains a plane of the electronic installation front that this camera head absorbs from a camera head, wherein, this camera head and a light source to this planar projective light are arranged at respectively the not homonymy of this electronic installation; Judge and whether have two objects with similar features point in this image that obtains; When existence in the image that this obtains has two objects of similar features point, judge the point that whether these two objects have same position in this image that obtains; And when have the point of same position in two objects, the plane of determining this electronic installation front is touched and the point of definite this same position is the position that is touched.
The present invention is by the image on a plane of the electronic installation front that obtains this camera head absorb from a camera head, and in the image that this obtains, there are two objects with similar features point, and when these two objects have the point of same position, the plane of determining this electronic installation front is touched, thereby can determine whether object has touched the plane.
Description of drawings
Fig. 1 is the synoptic diagram that existing gesture identification is identified the symbol that is touched.
Fig. 2 is the block diagram of gesture recognition system in an embodiment of the present invention.
Fig. 3 is the synoptic diagram of gesture recognition system identification as shown in Figure 1.
Fig. 4 is the process flow diagram of gesture identification method in an embodiment of the present invention.
The main element symbol description
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| The plane | 4 |
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| Image acquiring module | 11 |
| The image analysing computer module | 12 |
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Following embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
Embodiment
See also Fig. 2, be the block diagram of the gesture recognition system 10 of an embodiment of the present invention.In the present embodiment, this gesture recognition system 10 is installed and is run in the electronic installation 1.This electronic installation 1 is connected with a light source 2 and a camera head 3.This gesture recognition system 10 obtains the image on a plane 4 of this electronic installation 1 front of this camera head 3 picked-ups, determines a symbol that is touched according to the image of these camera head 3 picked-ups, and carries out corresponding operation.This electronic installation 1 also comprises a central processing unit (Central Processing Unit, CPU) 20 and one storer 30.
In the first embodiment of the present invention, this light source 2 is only for generation of light, and the plane 4 of this electronic installation 1 front is for being placed with the plane 4 of a physical keyboard, wherein, this physical keyboard can be keyboard of drawing on physical keyboard or the paper etc., and can be placed on the desktop plane or on the wall plane.In the second embodiment of the present invention, this plane 4 is a projection plane, and this light source 2 is a projection arrangement, this projection arrangement be used for to the plane 4 emission projected light of this electronic installation 1 front and on this plane 4 projection generate a dummy keyboard.When the light of these light source 2 generations is blocked by the object of these 4 fronts, plane, can form a shadow on the plane 4 of this electronic installation 1 front, this shadow has similar shape with corresponding object, only this shadow and corresponding object is in different size, and namely this shadow has similar unique point with corresponding object.
This camera head 3 is used for the image on the plane 4 of this electronic installation 1 front of picked-up.This light source 2 and this camera head 3 are arranged at respectively the not homonymy of this electronic installation 1, thereby so that the formed shadow of this object and this object all can be by these camera head 3 picked-ups, and when this object contact plane 4, in the image that this camera head 3 absorbs, the point that this object and the shadow of this object on plane 4 have same position; And when this object does not touch plane 4, in the image that this camera head 3 absorbs, the point that this object and the shadow of this object on plane 4 do not have same position.As shown in Figure 3, when this object X contacted this plane 4, the shadow b that this end a that this object X contacts this plane 4 and this end a are corresponding had identical position.Wherein, this position represents by two-dimensional coordinate on image, and the shadow of this object and this object is in the same coordinate system, then when the shadow of this object and this object has the point of same coordinate, determines that the shadow of this object and this object has the point of same position.In the present embodiment, this light source 2 and this camera head 3 are arranged at respectively the left and right sides or the right left both sides on the top of this electronic installation 1.In other embodiments, this light source 2 and this camera head 3 are arranged at respectively the first half of the right and left of this electronic installation 1 or the first half on right left both sides.
In the present embodiment, this gesture recognition system 10 comprises an image acquiring module 11, an image analysing computer module 12, a judge module 13 and a determination module 14.The alleged module of the present invention refers to a kind of can be by the central processing unit 20 of this electronic installation 1 performed and can finish the series of computation machine program block of specific function, and it is stored in the storer 30 of this electronic installation 1.Also store several Character mother plates in this storer 30, wherein, this Character mother plate can be 1,2 ..., A, B ..., F1, F2 ..., Enter etc.
This image acquiring module 11 is used for obtaining the image that this camera head 3 absorbs from this camera head 3.
This image analysing computer module 12 is used for judging whether this image that obtains exists two objects with similar features point.
When existence in the image that this obtains had two objects of similar features point, this judge module 13 was judged the point whether these two objects have same position.
When these two objects had the point of same position, this determination module 14 was determined that the plane 4 of this electronic installation 1 front is touched and is determined that the point of this same position is the position that is touched.
In the present embodiment, this gesture recognition system 10 also comprises an execution module 15.This determination module 14 is also determined this corresponding picture material in position that is touched in the image that this obtains, and this picture material of determining and several Character mother plates of this storage are compared, and judges whether this picture material of determining mates with a Character mother plate.This execution module 15 is used for determining that this picture material is the corresponding character of this Character mother plate, and carrying out the corresponding operation of character that this is determined when determination module 14 is determined this picture material and Character mother plate coupling.Wherein, this picture material of determining and this Character mother plate coupling refer to that the similarity of picture material that this is definite and this Character mother plate is greater than a predetermined value.For example, when execution module 15 is determined the Character mother plate coupling of this picture material and a space bar, determine that this picture material is this space bar, and carry out function corresponding to space bar.
Please refer to Fig. 4, be the process flow diagram of the gesture identification method of an embodiment of the present invention.
In step S401, this image acquiring module 11 is obtained the image that this camera head 3 absorbs from this camera head 3.
In step S402, this image analysing computer module 12 judges whether there are two objects with similar features point in this image that obtains.When existence in the image that this obtains has two objects of similar features point, execution in step S403.When not having two objects with similar features point in the image that this obtains, execution in step S401.
In step S403, this judge module 13 is judged the point whether these two objects have same position.When these two objects have the point of same position, execution in step S404.When these two objects do not have the point of same position, return step S401.
In step S404, this determination module 14 is determined that the plane 4 of this electronic installation 1 front is touched and is determined that the point of this same position is the position that is touched.
In the present embodiment, behind step S404, this gesture identification method also comprises step:
This determination module 14 is determined this corresponding picture material in position that is touched in the image that this obtains, and this picture material of determining and several Character mother plates of this storage are compared, and judges whether this picture material of determining mates with a Character mother plate.This execution module 15 is determined that this picture material is the corresponding character of this Character mother plate, and is carried out the corresponding operation of symbol that this is determined when these determination module 14 definite picture materials that this is determined and Character mother plate coupling.Wherein, when this picture material of determining and arbitrary Character mother plate are all not identical, continuation execution in step S401.
To those skilled in the art, can make other corresponding changes or adjustment in conjunction with the actual needs of producing according to invention scheme of the present invention and inventive concept, and these changes and adjustment all should belong to the protection domain of claim of the present invention.
Claims (8)
1. a gesture recognition system is characterized in that, this gesture recognition system comprises:
One image acquiring module is used for obtaining from a camera head image on a plane of the electronic installation front that this camera head absorbs, and wherein, this camera head and a light source to this planar projective light are arranged at respectively the not homonymy of this electronic installation;
One image analysing computer module is used for judging whether this image that obtains exists two objects with similar features point;
One judge module when the image existence that is used for obtaining when this has two objects of similar features point, is judged the point that whether these two objects have same position in this image that obtains; And
One determination module is used for when these two objects have the point of same position, and the plane of determining this electronic installation front is touched and the point of definite this same position is the position that is touched.
2. gesture recognition system as claimed in claim 1 is characterized in that: this plane is one to be placed with the plane of a physical keyboard or to be the projecting plane that a projection has dummy keyboard.
3. gesture recognition system as claimed in claim 2, it is characterized in that: this gesture recognition system also comprises an execution module, this determination module also is used for determining in the corresponding picture material of this this touch location of image that obtains, a plurality of Character mother plates of this picture material of determining and a storage are compared, judge whether this picture material of determining mates with a Character mother plate of storing, this execution module is used for when this determination module is determined the Character mother plate coupling of this picture material and a storage, determine that this picture material is the corresponding character of this Character mother plate, and carry out the corresponding operation of character that this is determined.
4. gesture recognition system as claimed in claim 1, it is characterized in that: this position is represented by two-dimensional coordinate on image, and these two objects are in the same coordinate system in this image that obtains.
5. a gesture identification method is characterized in that, this gesture identification method comprises:
Obtain the image on a plane of the electronic installation front that this camera head absorbs from a camera head, wherein, this camera head and a light source to this planar projective light are arranged at respectively the not homonymy of this electronic installation;
Judge and whether have two objects with similar features point in this image that obtains;
When existence in the image that this obtains has two objects of similar features point, judge the point that whether these two objects have same position in this image that obtains; And
When having the point of same position in two objects, the plane of determining this electronic installation front is touched and determines that the point of this same position is the position that is touched.
6. gesture identification method as claimed in claim 5 is characterized in that: this plane is one to be placed with the plane of a physical keyboard or to be the projecting plane that a projection has dummy keyboard.
7. gesture identification method as claimed in claim 6 is characterized in that, this gesture identification method also comprises:
Determine the corresponding picture material of this touch location in the image that this obtains, this picture material of determining and a plurality of Character mother plates of storing are compared, judge whether this picture material of determining mates with a Character mother plate of storing; And
When the Character mother plate coupling of this picture material of determining and a storage, determine that this picture material is the corresponding character of this Character mother plate, and carry out the corresponding operation of symbol that this is determined.
8. gesture identification method as claimed in claim 5, it is characterized in that: this position is represented by two-dimensional coordinate on image, and these two objects are in the same coordinate system in this image that obtains.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104567661A CN102981617A (en) | 2012-11-14 | 2012-11-14 | Gesture recognition system and gesture recognition method |
| TW101143814A TW201419050A (en) | 2012-11-14 | 2012-11-22 | Gesture recognition system and gesture recognition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104567661A CN102981617A (en) | 2012-11-14 | 2012-11-14 | Gesture recognition system and gesture recognition method |
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| CN102981617A true CN102981617A (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104567661A Pending CN102981617A (en) | 2012-11-14 | 2012-11-14 | Gesture recognition system and gesture recognition method |
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| CN (1) | CN102981617A (en) |
| TW (1) | TW201419050A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336583A (en) * | 2013-06-18 | 2013-10-02 | 中国联合网络通信集团有限公司 | Projection keyboard and character code determining method of projection keyboard |
| CN104850330A (en) * | 2014-02-18 | 2015-08-19 | 联想(北京)有限公司 | Information processing method, information processing system and electronic equipment |
| CN104850215A (en) * | 2014-02-18 | 2015-08-19 | 联想(北京)有限公司 | Information processing method and system, and electronic equipment |
| CN105528086A (en) * | 2014-09-29 | 2016-04-27 | 百辰光电股份有限公司 | Virtual keyboard input device and input method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI697827B (en) * | 2019-03-08 | 2020-07-01 | 點點滴滴科技股份有限公司 | Control system and control method thereof |
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| CN101877067A (en) * | 2009-11-16 | 2010-11-03 | 北京中星微电子有限公司 | Method and system for hand input based on camera device |
| JP2012068690A (en) * | 2010-09-21 | 2012-04-05 | Univ Of Tsukuba | Finger gesture detection device |
| CN102609153A (en) * | 2012-01-29 | 2012-07-25 | 胡世曦 | Device for calculating contact position between object and working plane |
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2012
- 2012-11-14 CN CN2012104567661A patent/CN102981617A/en active Pending
- 2012-11-22 TW TW101143814A patent/TW201419050A/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877067A (en) * | 2009-11-16 | 2010-11-03 | 北京中星微电子有限公司 | Method and system for hand input based on camera device |
| JP2012068690A (en) * | 2010-09-21 | 2012-04-05 | Univ Of Tsukuba | Finger gesture detection device |
| CN102609153A (en) * | 2012-01-29 | 2012-07-25 | 胡世曦 | Device for calculating contact position between object and working plane |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336583A (en) * | 2013-06-18 | 2013-10-02 | 中国联合网络通信集团有限公司 | Projection keyboard and character code determining method of projection keyboard |
| CN103336583B (en) * | 2013-06-18 | 2016-08-24 | 中国联合网络通信集团有限公司 | Projected keyboard and projected keyboard character code determine method |
| CN104850330A (en) * | 2014-02-18 | 2015-08-19 | 联想(北京)有限公司 | Information processing method, information processing system and electronic equipment |
| CN104850215A (en) * | 2014-02-18 | 2015-08-19 | 联想(北京)有限公司 | Information processing method and system, and electronic equipment |
| CN104850330B (en) * | 2014-02-18 | 2018-12-14 | 联想(北京)有限公司 | Information processing method, system and electronic equipment |
| CN105528086A (en) * | 2014-09-29 | 2016-04-27 | 百辰光电股份有限公司 | Virtual keyboard input device and input method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201419050A (en) | 2014-05-16 |
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Application publication date: 20130320 |