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Proofreading matrix storage method and device based on LED screen

A technology for proofreading matrix and LED screen, applied in the field of signal processing, can solve problems such as high economic cost

Inactive Publication Date: 2014-11-19
GUANGDONG VTRON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a method and device for storing a proofreading matrix based on an LED screen, which is used to effectively reduce the storage space to store the proofreading matrix, and further solve the technical problem of high economic cost

Method used

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  • Proofreading matrix storage method and device based on LED screen
  • Proofreading matrix storage method and device based on LED screen
  • Proofreading matrix storage method and device based on LED screen

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Embodiment Construction

[0047] Embodiments of the present invention provide a storage method and device for a calibration matrix based on an LED screen, which are used to effectively reduce storage space to store the calibration matrix, and further solve the technical problem of high economic cost.

[0048] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0049] see figure 1 , an embodiment of a storage method for ...

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Abstract

The embodiment of the invention discloses a proofreading matrix storage method and device based on an LED screen. The proofreading matrix storage method and device based on the LED screen are used for effectively reducing proofreading matrix storage space so as to solve the technical problem of high economic cost. The method includes the steps that a first matrix data value corresponding to a compression element is obtained, wherein the compression element is at least one element located on the diagonal of a first element and a last element of a proofreading matrix; the first matrix data value is subtracted from a preset mean value to obtain a difference value; the compression element is compressed and stored according to the difference value and the bit number corresponding to the difference value; other unselected elements are compressed and stored according to the bit number corresponding to matrix data values of the other elements.

Description

technical field [0001] The invention relates to the technical field of signal processing, and in particular, to a storage method and device for a calibration matrix based on an LED screen. Background technique [0002] In computer graphics, a color gamut is some complete subset of colors. The most common application of color subsets is to accurately represent a given situation. For example, a given color space or the color rendering range of an output device. Usually, the color gamut of the LED display is 1.4 times that of the general display. Therefore, in order to display the correct color and brightness, the color signal of the color gamut needs to be corrected. [0003] The existing technology for calibrating the color signal of the color gamut usually requires a calibration matrix to convert the video input signal into the signal to be input into the LED after matrix correction processing, so that the LED display screen can display the correct color and brightness. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06F12/02
Inventor 许景翔陈和平黄竑旻
Owner GUANGDONG VTRON TECH CO LTD