CN103176667A - Projection screen touch terminal device based on Android system - Google Patents
Projection screen touch terminal device based on Android system Download PDFInfo
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- CN103176667A CN103176667A CN2013100616108A CN201310061610A CN103176667A CN 103176667 A CN103176667 A CN 103176667A CN 2013100616108 A CN2013100616108 A CN 2013100616108A CN 201310061610 A CN201310061610 A CN 201310061610A CN 103176667 A CN103176667 A CN 103176667A
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Abstract
The invention discloses a projection screen touch terminal device based on an Android system. Functions such as projection of a mobile phone interface or a flat computer interface under the Android system and interactive operations between a user and a projection screen are achieved by utilizing hardware equipment such as a camera, an advanced RISC machine (ARM) processor and a projector and combining image processing techniques. The user can achieve the functions of man-machine interaction, multi-touch and gesture recognition on the projection screen directly and remotely by utilizing lasers or the fingers directly, the limitation of existing projective plane materials is solved, and the problem of bad performance of man-machine interaction is solved. The projection screen touch terminal device based on the Android system is suitable for usage of aspects of educational training, enterprises, government working, entertainment, display and demonstration industries and the like.
Description
Technical field
The present invention relates to a kind of tangibly projection screen more specifically, but relate to a kind of multiple point touching and the terminal device that carries out the projection screen of gesture identification based on the Android system.
Background technology
The continuous progress of society at any time, multimedia technology has also obtained developing rapidly and popularizing, and multimedia is used in education by people, and business is in the different industries such as exhibition.
But, 1, up to the present the interface that projects of projector can only rest on an interface, there is no other how abundant functions, and can't realize man-machine mutual when using projector, the improvement of projector at present is also just at volume, improvement on performance, and can't satisfy some specific (special) requirements of client; 2, in view of the development of present handset touch panel, present touch-screen has four kinds of touch manners, be respectively: resistive touch, capacitance touch, infrared-sensing type touch and the ultrasonic surface touch manner, except above-mentioned several touch manners, in existing touch manner, infrared touch and ultrasonic touch mode are also comparatively practical, the price of the material of the touch-screen of other touch manners is all higher, causes doing very large touch-screen, can not meet the requirement of modern's giant-screen.3. touch-screen can only operate in fixing place.
In view of above reason, the technology of modern multimedia can't satisfy people's needs, can't bring how better experience to the user.On the other hand, due to Android its opening of system and abundant characteristics such as hardware selection, the application on mobile device is more and more extensive.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention proposes a kind of projection screen touch terminal equipment based on the Android system.When this equipment can allow user's finger operate accordingly, show corresponding picture on projection screen on little touch-screen.
In order to realize such scheme, technical scheme of the present invention is:
A kind of projection screen touch terminal equipment based on the Android system comprises camera head, processor, with device and the projector of Android system,
Described camera head is used for obtaining scene image, gathers the position and the various gesture of identification that touch;
The image that described processor is used for institute's camera head is gathered carries out analyzing and processing, sends to device with the Android system thereby obtain its touch signal;
Device with the Android system is used for according to the corresponding projected image in touch signal instruction process place, and by the projector projection.
Adopt camera head to obtain scene image, making the super-large projection screen become touch-screen becomes possibility, and has guaranteed the cheap of cost.That has also broken people and equipment in the past is limited to situation at a little square frame interface alternately.Popularity owing to using with the equipment of Android system makes the present invention also with popularity
Preferably, described processor is arm processor.
Preferably, described processor comprises image processing module and gesture identification module,
Described image processing module is used for that the image that camera head gathers is carried out image to be processed, the concrete mode of processing is: obtain present image, the rgb format of the former figure of image is converted to the HSV form, image is carried out the binaryzation place, again bianry image is expanded, corrodes operation, calculate at last the XY coordinate of the target of looking for by the cumulative method of averaging of XY coordinate;
Described gesture identification module is used for the gesture that camera head gathers is identified, and specific implementation is: the two-dimentional gesture model of setting up the intensity-based image; The gesture that gathers is cut apart, and gesture and two-dimentional gesture model after cutting apart are analyzed, thus the gesture of identifying.
Preferably, described Hand Gesture Segmentation method is: threshold method.
Preferably, described camera head is infrared CMOS camera.
Preferably, described processor transmits by wireless transmission method with device with the Android system.
Preferably, described processor transmits by WIFI or Bluetooth transmission mode with device with the Android system.
Compared with prior art, beneficial effect of the present invention is:
1. make the super-large projection screen become touch-screen and become possibility
2. man-machine interaction, that breaks people and equipment in the past is limited to situation at a little square frame interface alternately.
3. the realization of multiple point touching and gesture identification function uses projector to bring huge convenience to people.
4. the popularity of Android system equipment application, make the present invention also with popularity.
5. compare with touch-screen, greatly reduce cost.
Description of drawings
Fig. 1 is the structural representation of the projection touch screen of Android system equipment of the present invention.
Fig. 2 is the theory diagram of gesture identification.
Fig. 3 is the flow process of implementation method of the projection touch screen of Android system equipment of the present invention.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing, but embodiments of the present invention are not limited to this.
As Fig. 1, a kind of projection screen touch terminal equipment based on the Android system comprises camera head, processor, with device and the projector of Android system,
Described camera head is used for obtaining scene image, gathers the position and the various gesture of identification that touch;
The image that described processor is used for institute's camera head is gathered carries out analyzing and processing, sends to device with the Android system thereby obtain its touch signal;
Device with the Android system is used for according to the corresponding projected image in touch signal instruction process place, and by the projector projection.
Adopt camera head to obtain scene image, making the super-large projection screen become touch-screen becomes possibility, and has guaranteed the cheap of cost.That has also broken people and equipment in the past is limited to situation at a little square frame interface alternately.Popularity owing to using with the equipment of Android system makes the present invention also with popularity
Wherein processor is arm processor in the present embodiment.
Processor comprises image processing module and gesture identification module,
Described image processing module is used for that the image that camera head gathers is carried out image to be processed, the concrete mode of processing is: obtain present image, the rgb format of the former figure of image is converted to the HSV form, image is carried out the binaryzation place, again bianry image is expanded, corrodes operation, calculate at last the XY coordinate of the target of looking for by the cumulative method of averaging of XY coordinate;
As described in Figure 2, described gesture identification module is used for the gesture that camera head gathers is identified, and specific implementation is: the two-dimentional gesture model of setting up the intensity-based image; The gesture that gathers is cut apart, and gesture and two-dimentional gesture model after cutting apart are analyzed, thus the gesture of identifying.Strengthen the effect of gesture identification by the method for skin color segmentation and large capacity gesture shape database.Be stained with coloured cover at middle finger and forefinger, when finger operated (double-click, slide, long press etc.) accordingly, camera got corresponding information.
Allow user's finger operate accordingly when (double-click, slide, long press etc.), can show on projection screen and can carry out multiple point touching with finger again by corresponding picture (open, close etc.), as when two fingers mutually near or away from the time, can display frame dwindle and amplify.Like this, not only can work as the super large touch-screen and use, save cost, and be widely used for the user in different industry (business, education, amusement, exhibition center etc.), accomplish man-machine interaction and bring more convenience and enjoyment to the user.
In the present embodiment, the Hand Gesture Segmentation method is: threshold method.
In the present embodiment, camera head is infrared CMOS camera, can carry out the multiple point touching mode by infrared CMOS camera track and localization, gesture identification supervisor, and the interface operation that projects at projector is quite analogous to the touch-screen effect.
After the position that camera collection touches and the various gesture of identification, arm processor will be processed (pseudo-colour filtering to the information that camera obtains, the technology such as image processing), by Wi-fi(or Bluetooth technology) to the appliance arrangement high-end devices transmitted signal with the Android system, then equipment has carried out corresponding processing.
Can carry out the multiple point touching mode by infrared CMOS camera track and localization, gesture identification supervisor, the interface operation that projects at projector is quite analogous to the touch-screen effect.
Above-described embodiments of the present invention do not consist of the restriction to protection domain of the present invention.Any modification of having done within spiritual principles of the present invention, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present invention.
Claims (7)
1. the projection screen touch terminal equipment based on the Android system, is characterized in that, comprises camera head, processor, with device and the projector of Android system,
Described camera head is used for obtaining scene image, gathers the position and the various gesture of identification that touch;
The image that described processor is used for institute's camera head is gathered carries out analyzing and processing, sends to device with the Android system thereby obtain its touch signal;
Device with the Android system is used for according to the corresponding projected image in touch signal instruction process place, and by the projector projection.
2. the projection screen touch terminal equipment based on the Android system according to claim 1, is characterized in that, described processor is arm processor.
3. the projection screen touch terminal equipment based on the Android system according to claim 1, is characterized in that, described processor comprises image processing module and gesture identification module,
Described image processing module is used for that the image that camera head gathers is carried out image to be processed, the concrete mode of processing is: obtain present image, the rgb format of the former figure of image is converted to the HSV form, image is carried out the binaryzation place, again bianry image is expanded, corrodes operation, calculate at last the XY coordinate of the target of looking for by the cumulative method of averaging of XY coordinate;
Described gesture identification module is used for the gesture that camera head gathers is identified, and specific implementation is: the two-dimentional gesture model of setting up the intensity-based image; The gesture that gathers is cut apart, and gesture and two-dimentional gesture model after cutting apart are analyzed, thus the gesture of identifying.
4. the projection screen touch terminal equipment based on the Android system according to claim 3, is characterized in that, described Hand Gesture Segmentation method is: threshold method.
5. the projection screen touch terminal equipment based on the Android system according to claim 1, is characterized in that, described camera head is infrared CMOS camera.
6. the projection screen touch terminal equipment based on the Android system according to claim 1, is characterized in that, described processor transmits by wireless transmission method with device with the Android system.
7. the projection screen touch terminal equipment based on the Android system according to claim 6, is characterized in that, described processor transmits by WIFI or Bluetooth transmission mode with device with the Android system.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559809A (en) * | 2013-11-06 | 2014-02-05 | 常州文武信息科技有限公司 | Computer-based on-site interaction demonstration system |
| CN104331193A (en) * | 2014-12-01 | 2015-02-04 | 湖北印象光电信息产业有限公司 | Infrared precise multi-point touch platform |
| CN104407746A (en) * | 2014-12-01 | 2015-03-11 | 湖北印象光电信息产业有限公司 | Infrared photoelectric technology based multi-point touch system |
| CN105260021A (en) * | 2015-10-15 | 2016-01-20 | 深圳市祈锦通信技术有限公司 | Intelligent interactive projection system |
| CN105530365A (en) * | 2014-12-26 | 2016-04-27 | 比亚迪股份有限公司 | Vehicle-mounted telephone system and vehicle containing same |
| CN105867624A (en) * | 2016-04-05 | 2016-08-17 | 深圳市祈锦通信技术有限公司 | Man-machine interaction projection system |
| CN105912113A (en) * | 2016-04-06 | 2016-08-31 | 四川东鼎里智信息技术有限责任公司 | Gesture-based remote control system |
| CN105929939A (en) * | 2016-04-06 | 2016-09-07 | 四川东鼎里智信息技术有限责任公司 | Remote gesture control terminal |
| CN106371608A (en) * | 2016-09-21 | 2017-02-01 | 努比亚技术有限公司 | Display control method and device for screen projection |
| CN107562210A (en) * | 2017-10-17 | 2018-01-09 | 极鱼（北京）科技有限公司 | interactive device and system |
| CN109656360A (en) * | 2018-12-07 | 2019-04-19 | 北京唐冠天朗科技开发有限公司 | It is a kind of based on cloud push corporate image presentation device, method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103559809A (en) * | 2013-11-06 | 2014-02-05 | 常州文武信息科技有限公司 | Computer-based on-site interaction demonstration system |
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| CN104331193A (en) * | 2014-12-01 | 2015-02-04 | 湖北印象光电信息产业有限公司 | Infrared precise multi-point touch platform |
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| CN106371608A (en) * | 2016-09-21 | 2017-02-01 | 努比亚技术有限公司 | Display control method and device for screen projection |
| CN107562210A (en) * | 2017-10-17 | 2018-01-09 | 极鱼（北京）科技有限公司 | interactive device and system |
| CN109656360A (en) * | 2018-12-07 | 2019-04-19 | 北京唐冠天朗科技开发有限公司 | It is a kind of based on cloud push corporate image presentation device, method and system |
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Application publication date: 20130626 |