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Device and method for identifying gestures

A gesture recognition and gesture information technology, applied in the input/output process of data processing, instruments, electrical and digital data processing, etc., can solve the problem of difficult multi-contact touch detection, etc., and achieve good precise positioning performance and fast gesture information. Effect

Inactive Publication Date: 2011-02-02
BEIJING TOUCO TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The problem to be solved by the present invention is to provide a gesture recognition device and method to overcome the defect that it is difficult to realize multi-touch detection in the prior art

Method used

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  • Device and method for identifying gestures
  • Device and method for identifying gestures
  • Device and method for identifying gestures

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Embodiment Construction

[0024] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] The structure of a gesture recognition device of the present invention is as follows: figure 1 As shown, it includes laser emitter light sources 11 and 12 (laser emitters in this embodiment), a two-dimensional optical sensor 15 and a data processing module 16 . The laser emitter emits a linear laser in a direction parallel to the screen. When the user's finger touches or an object touches the laser surface 14, the contact point 13 reflects the laser light to the back of the screen, and the signal received by the two-dimensional optical sensor placed behind the screen is generated. Variety.

[0026] The structure of another gesture recognition device of the present...

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Abstract

The invention discloses a device for identifying gestures, which comprises a light source, a two-dimensional optical sensor and a data processing module, wherein the light source is used for transmitting light with special wavelength to an input area to be touched; the two-dimensional optical sensor is used for receiving light reflected from the input area to be touched and forming two-dimensional image signals according to the received light; and the data processing module is used for obtaining screen coordinates of each touch input point according to the two-dimensional image signals and identifying inputted gesture information according to the screen coordinates of the touch input points of a plurality of frames. The invention also discloses a method for identifying gestures. The invention has exact tracing orbit and very good precisely-locating property in dealing with the distortion effect of images, supports more touch spots in real time and quickly obtains more exact gesture information on the basis of supporting no less than 512 points of real-time orbit tracing under the imaging condition of 60 frames to a maximum extent.

Description

technical field [0001] The invention relates to the technical field of touch input, in particular to a gesture recognition device and method. Background technique [0002] Gesture recognition is a technology based on behavior classification of finger movement trajectories, and gesture recognition based on multi-point input is a development trend. There are two main types of devices that can provide multi-point motion trajectories on the market: [0003] One is a multi-point touch screen based on a transparent sensing medium. This touch screen mainly relies on embedding a capacitive sensor matrix in a glass material. The cost of materials and processes is very high, and it is not suitable for large-screen display. [0004] The other is a multi-point touch screen based on an infrared emitting / scanning device. The touch screen mainly relies on several pairs of infrared emitting and receiving elements installed around the screen surface in a certain order. Turn on each pair of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/042
Inventor 惠轶
Owner BEIJING TOUCO TECH
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