CN104699328A - Infrared interaction identification method - Google Patents
Infrared interaction identification method Download PDFInfo
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- CN104699328A CN104699328A CN201310665800.0A CN201310665800A CN104699328A CN 104699328 A CN104699328 A CN 104699328A CN 201310665800 A CN201310665800 A CN 201310665800A CN 104699328 A CN104699328 A CN 104699328A
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Abstract
The invention discloses an infrared interaction identification method which comprises the steps that contact information transmitted by a scanning circuit is received according to infrared laser; corresponding motion and a corresponding command are executed; a plurality of position parameters are obtained according to a change condition after an output value of each infrared laser receiving element is compared with an inclination initialization value; a relation between actual coordinates X and Y of each touch point is determined; calculated coordinate values of the touch points are substituted into formulae determined by the position parameters for checking calculation; position coordinates of the touch points are determined; and coordinate data is transmitted to a computer for processing. When a user touches the surface, a generated infrared source camera transmits original touch information or graphic information, and an image and a video stream can be directly processed. The method can allow a touch screen to realize no touch, dust prevention, electromagnetic interference prevention and scratch prevention; and any object can be used for multi-point touch positioning operation on the screen.
Description
Technical field
The present invention relates to a kind of infrared interactive recognition methods.
Background technology
Multipoint-touch-technology refers to a touch-screen (screen, desktop, wall etc.) or Trackpad, can both accept the man-machine interactive operation of carrying out computing machine from point multiple on screen simultaneously.Common multipoint-touch-technology is mainly used in touch-screen mobile phone or computing machine, and user touches by both hands, also can to click, to double-click, translation, pressing, the different gesture touch screen such as rolling and rotation, realize indiscriminately ad. as one wishes manipulating.When touch-screen is more than 60 cun, then can be called touch-control video wall, be mainly used in large-scale activity, meeting and product introduction, thus help people to understand the correlated characteristic (word, video recording, picture, defend the information such as sheet, three-dimensional simulation) of object better and more comprehensively.International sports event, as large-scale activity, also brings into use touch-control video wall gradually.Global famous touch-control product work room SENSORY-MINDS in 2009, German Niu Bailin racing track is helped to establish the whole world maximum, foremost stadiums multi-point touch video wall---" RingWall ", its overall length is 45 meters, be highly 2 meters, overall resolution is 28800 × 1200, can support that 80 users operate simultaneously, make Niu Bailin racing track large in global reputation.And at home, there is not been reported for the stadiums of use super large touch video wall.In existing touch-screen field, product technology is various, mainly contain the technology such as ultrasound wave, resistance-type, infrared ray or surface capacitance type, but majority only supports single-point touch.Surface acoustic wave touch screen is only applicable to any non-outdoor use occasion, is particularly suitable for the occasion that environment is comparatively clean, dust is few.The induction medium of surface acoustic wave touch screen be finger (non-nail, wear gloves also can), article that can fit like a glove with glass that rubber etc. is softer.Resistor pressure touch-screen defect is afraid of to scratch, and be only applicable to oneself and know that the fixed personnel of object operates use, resistor pressure touch-screen can not by sharp and sharp object manipulation.Capacitance induction touch panel is not suitable for be had the interference of electromagnetic field and is requiring that accurate occasion uses, and can only use finger (non-nail) and flesh contact operation.Infrared induction touch-screen is only suitable for multiple non-outdoor occasion.Nearly all touch screen technology all needs contact screen, is pointed the screen fleckiness put, not only easy breed bacteria.Even a certain position owing to asking touch time long, also can cause touch-screen herein penetrability obviously reduce or top layer Zou is soft, bubble.At this moment only have the touch key-press changed and touch software, make touch key-press leave this position.Namely existing techniques in realizing above-mentioned super large touch-screen has very large difficulty.
Summary of the invention
The present invention is directed to the proposition of above problem, and a kind of infrared interactive recognition methods of development.The technological means that the present invention adopts is as follows:
A kind of infrared interactive recognition methods, is characterized in that comprising the steps:
1) the Infrared laser emission element of touch-surface, infrared laser receiving element, controller, processor and software is started, first initialization just right infrared laser receiving element vertical with infrared laser product radiated element, reinitialize relative infrared laser receiving element, records the inclination initialization value of each infrared laser receiving element and vertical initialization value respectively;
2) output valve of Infrared laser emission element is read and perpendicular initialization value compares;
3) infrared laser data are passed to infrared laser receiving element by Infrared laser emission element;
4) image display on the touch surface;
5) the original infrared laser data on touch-surface deliver to the processor of the execution instruction of computing machine;
6) after comparing with initialization value according to each infrared laser receiving element output valve, the situation of change of gained, calculates the position coordinates that each touch point is possible;
7) processor that the touch data captured is delivered to the execution instruction of computing machine by infrared laser receiving element compares present image and original image by the driver in software, to identify touch point, define the position of several contact and each point, displacement;
8) situation of change of gained after comparing with inclination initialization value according to each infrared laser receiving element output valve, obtain multiple location parameter, determine the relation between touch point actual coordinate X and Y, substitute in the formula determined by each location parameter check calculating multiple touch point coordinate values, determine multiple touch point position coordinates, and coordinate data is delivered to computer disposal;
9) application program in software performs the check and correction action of corresponding screen coordinate and order according to the contact information that driver transmits;
10) according to step 2) to step 9) method, start new circulation.
The optical principle that native system mainly adopts " back projection type laser plane Lighting Design ".No touch, dust-proof, anti-electromagnetic interference (EMI), anti-scratch multi-point touch positioning action can be carried out with any object on screen can be realized.Compared with the touch-screen product of other kind, this project has high, corresponding quick, the high many-sided advantage of Antiskid dustproof, precision of touch resolution.Therefore, with the obvious advantage in product market competition.
Embodiment
Corresponding action and order is performed according to the contact information that infrared laser reception sweep circuit transmits, the situation of change of gained after each infrared laser receiving element output valve compares with inclination initialization value, obtain multiple location parameter, determine the relation between touch point actual coordinate X and Y, substitute in the formula determined by each location parameter check calculating multiple touch point coordinate values, determine multiple touch point position coordinates, and coordinate data is delivered to computer disposal.By user's touch-surface, the infrared light supply camera produced transmits these original touch information, or graphical information, can directly process image and video flowing, can real-time tracing touch point very accurately, when a touch point is found, disappear or movement time, the relevant information (position, ID, region, figure etc.) of these contacts all can cross with the form of event before the agreement of formulation be sent in the protocol port of specifying.Multiple point touching framework, this framework is based on Microsoft state-of-the-art technology WPF application development, based on .net3.5 Development of Framework, receive the data in the agreement of specifying and port sent, and process data and carry out gesture identification and event action, this framework can develop the application program solution of each different industries.
A kind of infrared interactive recognition methods comprises the steps: 1) start the Infrared laser emission element of touch-surface, infrared laser receiving element, controller, processor and software, first initialization just right infrared laser receiving element vertical with infrared laser product radiated element, reinitialize relative infrared laser receiving element, records the inclination initialization value of each infrared laser receiving element and vertical initialization value respectively;
2) output valve of Infrared laser emission element is read and perpendicular initialization value compares;
3) infrared laser data are passed to infrared laser receiving element by Infrared laser emission element;
4) image display on the touch surface;
5) the original infrared laser data on touch-surface deliver to the processor of the execution instruction of computing machine;
6) after comparing with initialization value according to each infrared laser receiving element output valve, the situation of change of gained, calculates the position coordinates that each touch point is possible;
7) processor that the touch data captured is delivered to the execution instruction of computing machine by infrared laser receiving element compares present image and original image by the driver in software, to identify touch point, define the position of several contact and each point, displacement;
8) situation of change of gained after comparing with inclination initialization value according to each infrared laser receiving element output valve, obtain multiple location parameter, determine the relation between touch point actual coordinate X and Y, substitute in the formula determined by each location parameter check calculating multiple touch point coordinate values, determine multiple touch point position coordinates, and coordinate data is delivered to computer disposal;
9) application program in software performs the check and correction action of corresponding screen coordinate and order according to the contact information that driver transmits;
10) according to step 2) to step 9) method, start new circulation.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (1)
1. an infrared interactive recognition methods, is characterized in that comprising the steps:
1) the Infrared laser emission element of touch-surface, infrared laser receiving element, controller, processor and software is started, first initialization just right infrared laser receiving element vertical with infrared laser product radiated element, reinitialize relative infrared laser receiving element, records the inclination initialization value of each infrared laser receiving element and vertical initialization value respectively;
2) output valve of Infrared laser emission element is read and perpendicular initialization value compares;
3) infrared laser data are passed to infrared laser receiving element by Infrared laser emission element;
4) image display on the touch surface;
5) the original infrared laser data on touch-surface deliver to the processor of the execution instruction of computing machine;
6) after comparing with initialization value according to each infrared laser receiving element output valve, the situation of change of gained, calculates the position coordinates that each touch point is possible;
7) processor that the touch data captured is delivered to the execution instruction of computing machine by infrared laser receiving element compares present image and original image by the driver in software, to identify touch point, define the position of several contact and each point, displacement;
8) situation of change of gained after comparing with inclination initialization value according to each infrared laser receiving element output valve, obtain multiple location parameter, determine the relation between touch point actual coordinate X and Y, substitute in the formula determined by each location parameter check calculating multiple touch point coordinate values, determine multiple touch point position coordinates, and coordinate data is delivered to computer disposal;
9) application program in software performs the check and correction action of corresponding screen coordinate and order according to the contact information that driver transmits;
10) according to step 2) to step 9) method, start new circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310665800.0A CN104699328A (en) | 2013-12-06 | 2013-12-06 | Infrared interaction identification method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310665800.0A CN104699328A (en) | 2013-12-06 | 2013-12-06 | Infrared interaction identification method |
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| CN104699328A true CN104699328A (en) | 2015-06-10 |
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| CN201310665800.0A Pending CN104699328A (en) | 2013-12-06 | 2013-12-06 | Infrared interaction identification method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415655A (en) * | 2018-02-08 | 2018-08-17 | 广州华欣电子科技有限公司 | Method, apparatus, all-in-one machine and the storage medium of touch data processing |
| CN110012329A (en) * | 2019-03-19 | 2019-07-12 | 青岛海信电器股份有限公司 | The response method of touch event and display equipment in a kind of display equipment |
-
2013
- 2013-12-06 CN CN201310665800.0A patent/CN104699328A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415655A (en) * | 2018-02-08 | 2018-08-17 | 广州华欣电子科技有限公司 | Method, apparatus, all-in-one machine and the storage medium of touch data processing |
| CN110012329A (en) * | 2019-03-19 | 2019-07-12 | 青岛海信电器股份有限公司 | The response method of touch event and display equipment in a kind of display equipment |
| CN110012329B (en) * | 2019-03-19 | 2021-06-04 | 海信视像科技股份有限公司 | Response method of touch event in display equipment and display equipment |
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Application publication date: 20150610 |