An adaptive variable length real-time coding method

A coding method and adaptive technology, applied in image communication, digital video signal modification, electrical components, etc., can solve the problems of inability to meet the requirements of video recording compression quality and compression speed, insufficient real-time performance of CAVLC, and low coding efficiency, etc. Achieve the effect of increasing the number of codes, improving work efficiency, and improving coding efficiency
CN108235010BActive Publication Date: 2020-09-11BEIJING MXTRONICS CORP +1
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING MXTRONICS CORP
Publication Date
2020-09-11

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Abstract

The invention discloses an adaptive variable length real-time encoder and encoding method. The encoder comprises a pre-processing module, an encoding module and a packaging module; the pre-processingmodule with two groups of coefficient storage space and the encoding module with serial-parallel combined entropy encoding are used for optimizing the structure of the encoder, the efficient encodingis realized, and the real-time encoding requirement is satisfied.
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Description

technical field

[0001] The invention relates to an adaptive variable length real-time encoder and an encoding method, belonging to the technical field of integrated circuit design. Background technique

[0002] H.264 / AVC is a new-generation video coding standard jointly issued by ITU and ISO\IEC. Compared with previous coding standards such as MPEG-4 and H.263, H.264 / AVC has higher coding efficiency and more Good network adaptability. It is widely used in the fields of digital TV, digital subscriber line video service, interactive storage medium (CD, etc.), real-time multimedia service (video conference, etc.), remote monitoring, etc. H.264 / AVC is a block-oriented codec standard based on motion compensation. Its codec process mainly includes five parts: inter prediction and intra prediction, transformation and inverse transformation, quantization and dequantization, loop Filtering, entropy coding. Among them, CAVLC is the last component of video coding processing, and it ...

Claims

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