Device for displaying video in real time based on DSC compression algorithm

A real-time display and compression algorithm technology, which is applied in digital video signal modification, electrical components, image communication, etc., can solve the problem of large data volume in ultra-high frame rate video display, and achieve reduced throughput, high practicability, and improved computing speed effect

Inactive Publication Date: 2018-12-07
WUHAN JINGCE ELECTRONICS GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the huge amount of data that needs to be processed for ultra-high frame rate video display requires the use of compression methods with better display effects, higher-speed transmission channels and higher-performance display interfaces in the display system.

Method used

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  • Device for displaying video in real time based on DSC compression algorithm
  • Device for displaying video in real time based on DSC compression algorithm
  • Device for displaying video in real time based on DSC compression algorithm

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Embodiment Construction

[0029] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0030] A device designed by the present invention to realize video real-time display based on DSC compression algorithm, such as figure 1 and 2 As shown, it includes an image original data transmission interface 1, a DSC compression processing module 2 and an image display interface 3, and the DSC compression processing module 2 includes an image segmentation module 2.1, a pixel value prediction module 2.2, a residual and pixel reconstruction module 2.3 , entropy coding module 2.4, code rate control module 2.5, multi-channel stream recombination module 2.6;

[0031] The original image data transmission interface 1 is used to transmit the received original image data to the image segmentation module 2.1;

[0032] The image segmentation module 2.1 is used to divide the original image into multiple sub-images by slices, and each row of pixels in ...

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Abstract

The invention discloses a device for displaying a video in real time based on a DSC compression algorithm. An image segmentation module is used for segmenting an original image into a plurality of sub-images. A pixel value prediction module is used for performing parallel pixel value prediction on each pixel in each pixel group of each sub-image. A residual and pixel reconstruction module quantizes and reconstructs the residual of each pixel. An entropy coding module entropy codes each sub-image with pixels reconstructed. A code rate control module calculates the quantization coefficient of each sub-image during the entropy coding to dynamically adjust the number of bytes required for entropy coding of the pixels of each sub-image. A multichannel code stream recombination module performs multichannel code stream recombination on the DSC compressed image data corresponding to each sub-image, and transmits an obtained recombined code stream to a liquid crystal module for display. The device enables a module originally operating in a series mode to operate in a parallel mode, and increases calculation speed.

Description

technical field [0001] The invention relates to the technical field of liquid crystal module display and testing, in particular to a device and method for real-time video display based on a DSC (Displaystream compression, display stream compression) compression algorithm. technical background [0002] With the increasing maturity of ultra-high-definition display technology, people are no longer satisfied with the video display effect of 30 frames and 720P, and the requirements for video display with a frame rate of 60 frames and above are becoming more and more intense. However, the huge amount of data that needs to be processed for ultra-high frame rate video display requires the use of compression methods with better display effects, higher-speed transmission channels, and higher-performance display interfaces in the display system. In order to solve these problems, the VESA Association proposed the DSC compression algorithm, which has low complexity, does not affect the v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/124H04N19/13H04N19/172H04N19/182H04N19/42H04N19/59H04N19/70H04N19/91
CPCH04N19/124H04N19/13H04N19/172H04N19/182H04N19/42H04N19/59H04N19/70H04N19/91
Inventor 阳芬许恩邓志习艳妮
Owner WUHAN JINGCE ELECTRONICS GRP CO LTD
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