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Method, device, device, and computer-readable storage medium for coordinate anti-shake on screen

A coordinate and screen technology, applied in the field of intelligent interaction, can solve the problems of shaking of touch points and affecting the accuracy of touch, and achieve the effect of small amount of calculation, accurate anti-shake processing, and precise touch operation.

Active Publication Date: 2019-09-24
北京仁光科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the existing long-distance laser remote control interaction, with the increase of the distance between the laser remote control and the screen, the slight shaking of the hand will cause the touch point to shake violently on the screen, thus affecting the accuracy of touch control

Method used

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  • Method, device, device, and computer-readable storage medium for coordinate anti-shake on screen

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments.

[0031] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0032] Such as figure 1 as shown, figure 1 It is a schematic flow diagram of a part of the method for anti-shaking of coordinates on the screen according to an embodiment of the present invention. This embodiment uses the anti-shaking of touch points on the sc...

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Abstract

The invention discloses a method, device and equipment for preventing coordinates on screens from shake and a computer readable storage medium. The method comprises the following steps of: obtaining an image, comprising touch points, on a screen; processing the image to obtain touch data, wherein the touch data comprises a touch coordinate; calculating a distance between a touch coordinate in thecurrent frame of image and an average coordinate of touch coordinates in preset frames of images before the current frame; comparing the distance with a preset threshold value; if the distance is greater than the preset threshold value, outputting the touch coordinate in the current frame of image as a coordinate of the touch point; and if the distance is smaller than the preset threshold value, outputting the average coordinate as the coordinate of the touch point so as to carry out anti-shake processing. According to the method, anti-shake processing of coordinates can be realized through simple numeric comparison, and the calculated amount is small, so that the operation of determining practical coordinates on screens is higher in speed and higher in efficiency.

Description

technical field [0001] The present invention relates to the field of intelligent interaction technology, in particular to a method, device, equipment and computer-readable storage medium for coordinate anti-shake on a screen. Background technique [0002] In order that more people can see the content of the demonstration at a longer distance, generally the files to be displayed are converted into optical signals and then projected onto the screen. In the general demonstration process, there needs to be an interactive function between the demonstration content and the presenter. For this reason, the current method of laser interaction and the method of human-computer interaction are gradually emerging. [0003] Through DLP or projector, the image to be displayed is converted into an optical signal and projected onto the display screen to form an enlarged projection image. The laser remote control emits a laser beam from a long distance to irradiate the touch point on the sc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041G06F3/042
Inventor 谭登峰邱虎
Owner 北京仁光科技有限公司
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