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Transform encoding system and method

A technology for transform coding and transform coefficients, which is applied in the field of transform coding systems and can solve the problems of increasing the size of video encoder chips.

Active Publication Date: 2020-10-16
北京博雅慧视技术有限公司
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Problems solved by technology

Since the traditional encoding method uses four similar modules for encoding, latches are used for data buffering during buffering, thereby increasing the chip size of the video encoder

Method used

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  • Transform encoding system and method

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Embodiment Construction

[0040] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them.

[0041] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. 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.

[0042] When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0043] In the descriptio...

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Abstract

The invention discloses a transform encoding system and method, which are applied to video coding and decoding, and the system comprises an input transform module, a judgment module and an output module, wherein the judgment module is connected with the input transform module and the output module; the input transform module comprises a plurality of first caches (ram) and a plurality of second caches (ram), and the plurality of first caches (ram) are used for caching a one-dimensional DCT transform result in the X direction; the plurality of second caches (ram) are used for caching a one-dimensional IDCT transform result in the Y direction. Therefore, with the adoption of the embodiment of the invention, the plurality of first caches (ram) and the plurality of second caches (ram) are usedin the input transform module for caching the transform result, so that the chip size of the video encoder is reduced.

Description

technical field [0001] The invention relates to the technical field of video encoder chip implementation, in particular to a transformation coding system and method. Background technique [0002] In recent years, with the popularity of high-definition and ultra-high-definition video, the amount of original video data has increased sharply, which has brought huge pressure on storage and transmission. How to further improve the compression efficiency of video coding is a crucial issue. When compressing efficiency, the first thing to consider is how to efficiently encode the pixel blocks in the video. [0003] In the current traditional implementation of encoding pixel blocks in video, four independent encoding modules are used to encode pixel blocks in video, one for each luminance block of a 32-dot x 32-dot 1024-dot pixel image. Encoding module is realized, the luminance block of a 16-point x 16-point 256-pixel image is realized by one coding module, the chrominance block of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/122H04N19/176H04N19/186H04N19/625
CPCH04N19/625H04N19/122H04N19/176H04N19/186
Inventor 东健慧向国庆文湘鄂宋磊
Owner 北京博雅慧视技术有限公司
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