Method and system for compressing display image

A technology for displaying images and compression methods, applied in image communication, digital video signal modification, electrical components, etc., can solve the problems of uneven image compression quality and complexity, and achieve the effect of improving the overall compression quality

Active Publication Date: 2017-04-05
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] According to the problems existing in the prior art, a technical solution of a display image compression method and system is now provided, aiming at solving the problem of uneven image compression quality caused by inconsistency in the complexity of different positions in the image;

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  • Method and system for compressing display image
  • Method and system for compressing display image
  • Method and system for compressing display image

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Embodiment Construction

[0078] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0079] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0080] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0081] In a preferred embodiment of the present invention, based on the above-mentioned problems in the prior ar...

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Abstract

The invention discloses a method and a system for compressing a display image, which belong to the technical field of image compression. The method comprises steps: S1, a plurality of coding units whose number is matched with that of pixel pages are provided to carry out coding compression processing on the multiple pixel pages respectively; S2, in each coding unit, the coding information is transmitted to a code rate allocation unit in real time; S3, the code rate allocation unit adopts a preset strategy to calculate the current target code rate of each pixel page in real time, and the current target code rate is sent to the plurality of coding units; S4, the plurality of coding units use the current target code rate respectively to carry out coding compression processing on the multiple pixel pages, whether the coding compression processing is over is judged, if not, the step 2 is returned, and if yes, exiting is carried out. The system comprises a dividing unit, the coding units and the code rate allocation unit. The above technical scheme has the beneficial effects that the problem that the image compression quality is not uniform is solved, and the overall compression quality of the display image is enhanced.

Description

technical field [0001] The invention relates to the technical field of image compression, in particular to a display image compression method and system. Background technique [0002] In the prior art, for the encoding and compression of display images, one frame of display images is usually divided into multiple slices (Slices), and each slice is independently encoded and decoded, which can greatly improve the display image The parallelism of encoding and compression improves the efficiency of image compression. [0003] However, for some images with relatively high complexity, the pixel density and chromaticity included in different parts of the image may be quite different. In the compression process of a frame display image, it must be ensured that the compression rate of each segment is consistent with the compression rate of the entire frame image, which may cause uneven image compression quality and reduce image compression quality. Contents of the invention [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/146H04N19/182
Inventor 徐晶明林福辉韦虎李荣袁野吴晟蒋斌雍雅琴
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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