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Method and system for increasing image frame rate, optical imaging touch screen system

An image frame and image technology, which is applied in the field of optical imaging touch screen system, can solve the problems of difficulty in implementation and increase in cost, and achieve the effect of easy implementation, cost saving and image frame rate improvement.

Active Publication Date: 2017-06-16
GUANGZHOU SHIRUI ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For optical imaging touch screens, the higher the frame rate of the image, the faster the response speed of touch recognition, and the higher the performance of the touch screen. In the prior art, improvements are generally made on the hardware to increase the frame rate of the image, such as improving the camera. etc., which will greatly increase the cost and is not easy to implement

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  • Method and system for increasing image frame rate, optical imaging touch screen system
  • Method and system for increasing image frame rate, optical imaging touch screen system
  • Method and system for increasing image frame rate, optical imaging touch screen system

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0023] see figure 1 As shown, it is a schematic flowchart of Embodiment 1 of the method for increasing the image frame rate of the present invention. Such as figure 1 As shown, the method for improving the image frame rate in this embodiment includes the following steps:

[0024] Step S101: Receive row image data, enter step S102;

[0025] Each frame of image data collected by the camera tool can be transmitted line by line through the standard DCMI interface, and each time a line of image data is received, the process is executed once;

[0026] Step S102: Detect whether the row number corresponding to the row of image data is within the preset limited range, if yes, go to step S103, if not, go to step S104;

[0027] According to the actual situation, the setting or determination ...

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Abstract

The present invention provides a method and system for increasing the image frame rate, and an optical imaging touch screen system. The method includes the steps of: receiving line image data, and detecting whether the line number corresponding to the line image data is within a preset limit range; If it is within the limited range, copy the image data of the line to the corresponding line of the image buffer, if not within the limited range, discard the image data of the current line and receive the image data of the next line; determine whether the collection has been completed Line image data within the limited range; if it has been collected, restart the imaging tool to take the next frame of image; if it has not been collected, then receive the next line of image data, the present invention shortens the transmission time and improves the image frame rate , so as to improve the response speed of recognizing the touch, improve the performance of the touch screen, and save the cost at the same time.

Description

technical field [0001] The invention relates to the technical field of touch screens, in particular to a method for increasing image frame rate, a system for increasing image frame rate and an optical imaging touch screen system including the system for increasing image frame rate. Background technique [0002] As a new type of computer input device, the touch screen is currently the simplest, most convenient and natural way of human-computer interaction. It endows multimedia with a new look and is a very attractive new multimedia interactive device. Mainly used in public information inquiry, leadership office, industrial control, military command, electronic games, ordering songs and dishes, multimedia teaching, real estate pre-sale, etc. [0003] Wherein, in the optical imaging touch screen system, it is necessary to identify the touch point by collecting the image of the camera. If the pixel resolution of the camera is 480*640 and the data transmission rate is 24MHz, it...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/042
Inventor 黄斐铨
Owner GUANGZHOU SHIRUI ELECTRONICS