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Implementation method and system of vc-1 codec insc

A technology of VC-1 and implementation method, which is applied in the field of video codec, can solve the problems of high complexity of operation and implementation, and achieve the effect of reducing time, operation and storage bandwidth

Active Publication Date: 2018-08-10
ALLWINNER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problem of high algorithm operation and implementation complexity in the existing VC-1 codec, the present invention provides a method for realizing VC-1 codec INSC without increasing storage space, without increasing storage bandwidth and without increasing operation. system

Method used

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  • Implementation method and system of vc-1 codec insc
  • Implementation method and system of vc-1 codec insc
  • Implementation method and system of vc-1 codec insc

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] see figure 2 , image 3 As shown, it is a schematic structural flow diagram of a method for implementing VC-1 encoding / decoding INSC according to the present invention and a schematic flow diagram of INSC operation processing. The present invention provides a method for implementing VC-1 encoding and decoding INSC, including step S200, INSC arithmetic processing, and the specific steps are as follows:

[0060] S210, select the pixel component of the input original reference frame or the output result obtained after applying the corresponding correct INSC operation processing as the input of the INSC operation;

[0061] S220, select the parameter input corresponding to the INSC operation;

[0062] S230, perform INSC operation processing to realize INSC.

[0063] like image 3 As shown, the function of INSC operation processing is realized, and the pixel components of the input original reference frame are subjected to INSC operation processing to obtain the output r...

Embodiment approach

[0074] As an embodiment, the INSC operation processing is a multi-level INSC operation processing;

[0075] Input the pixel components required by the MC obtained from the original reference frame, perform the first corresponding correct INSC operation processing, and obtain the output result as the reference pixel value of the first frame MC;

[0076] If the second frame is the same as the original reference frame referenced by the first frame, input the saved output result of the first INSC operation and the corresponding parameters, perform the second corresponding correct INSC operation, and the obtained output result is used as The reference pixel value of the second frame MC;

[0077] If the third frame is the same as the original reference frame referenced by the first frame, input the saved output result of the second INSC operation and the corresponding parameters, perform the third corresponding correct INSC operation, and the obtained output result is used as The r...

Embodiment 2

[0090] Based on the same inventive concept, the present invention also provides a system for implementing VC-1 encoding and decoding INSC. Since the principle of this system for solving problems is similar to the aforementioned method for implementing VC-1 encoding and decoding INSC, the implementation of the system is Reference may be made to the implementation of the foregoing method, and repeated details will not be repeated.

[0091] The present invention provides a system for implementing VC-1 encoding and decoding INSC, refer to Figure 4 As shown, it includes an INSC operation processing module 200;

[0092] The INSC operation processing module 200 includes a first selection input unit 210, a second selection input unit 220, an INSC operation unit 230 and an MC reference pixel value unit 240, wherein:

[0093] The first selection input unit 210 is used to select the pixel component of the input original reference frame or the output result obtained after applying the c...

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Abstract

The invention provides a method and a system for implementing VC-1 coding and decoding INSC (Intensity Compensation). The method includes the following steps of: selecting the pixel component of an input original reference frame or an output result obtained after corresponding correct INSC operation treatment as the input of INSC operation, selecting the corresponding parameter of the INSC operation and inputting, performing INSC operation treatment, and thereby implementing INSC. According to the method and the system, each pixel component of the original reference frame does not need to be mapped with each pixel component of the output result of the corresponding last INSC operation, the process of generating an INSC reference frame is completely removed, and thereby the storage space and the storage bandwidth for accessing the storage space are reduced, and time and operation consumed in the whole coding and decoding processes of the INSC operation are also reduced.

Description

technical field [0001] The present invention relates to the field of video coding and decoding, in particular to a method and system for implementing VC-1 coding and decoding INSC (intensity compensation, intensity compensation). Background technique [0002] In most video coding standards, motion compensation (MC for short) is an important link. The usual practice is to extract the reference block from the reference frame according to the motion vector for interpolation, and the interpolation result is used as the current block. Predictive value. VC-1 (Video Codec-1, video decoding format-1) is a widely used video encoding and decoding standard, which contains many new algorithms, which effectively improves the compression rate of encoding, but also increases the complexity of operation and implementation. SUMMARY OF THE INVENTION [0003] Aiming at the problem of high complexity of algorithm operation and implementation in the existing VC-1 encoding and decoding, the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/51
Inventor 谢成兴原顺
Owner ALLWINNER TECH CO LTD