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Method and system for encoded video compression

A technology of encoding and code length, applied in the field of video compression and systems for encoding, and can solve problems such as consumption

Active Publication Date: 2010-06-23
NVIDIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Naturally, such intermediate transformations may require additional components or consume additional processing time to perform

Method used

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  • Method and system for encoded video compression
  • Method and system for encoded video compression
  • Method and system for encoded video compression

Examples

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Embodiment Construction

[0015] Reference will now be given in detail to some examples. While the subject matter is described in conjunction with alternative embodiments, it should be understood that they are not intended to limit the claimed subject matter to these embodiments. On the contrary, the claimed subject matter is intended to cover alternatives, modifications and equivalents, which may be included within the spirit and scope of the claimed subject matter as defined by the appended claims.

[0016] Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the claimed subject matter. However, it will be understood by those skilled in the art that these embodiments may be practiced without these specific details or with their equivalents. In other instances, well-known procedures, procedures, components and circuits have not been described in detail so as not to unnecessarily obscure aspects and features of the ...

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Abstract

Embodiments of the claimed subject matter provide a method and system for performing data compression by encoding input into Exp-Golomb code. In one embodiment, data compression of data input is achieved via encoding as unsigned Exp-Golomb code. The method is achieved by converting the input, determining the position of the most significant bit in the converted input having a non-zero value (MSB), deriving information from the position of the MSB and arithmetically encoding the information to derive a compressed output.

Description

Background technique [0001] Data compression is a well-known technique for reducing the amount (eg, number of bits) of data comprising a file or object. Applications of data compression are often used for transmission and storage purposes. In typical implementations, data compression is accomplished using algorithms that reduce or eliminate unnecessary duplication of data by encoding information used to represent the data into smaller and more efficient data volumes. [0002] Algorithms such as Variable Length Coding (VLC) or Context Adaptive Variable Length Coding (CAVLC) can be used to reduce the number of bits needed to represent an image. In a typical data compression scheme, a prefix code is used for integers, which maps positive integers to binary codewords. In general, most prefix codes for integers assign longer codewords to larger integers. This encoding can be used to efficiently deliver messages taken from the set of possible messages by simply sorting the set of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26H03M7/42H04N19/00
CPCH03M7/40H04N19/90
Inventor 翟智特·K.·拉达克里希南
Owner NVIDIA CORP