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A mixing motion estimation method for video coding

A technology of hybrid motion and video coding, applied in the field of hybrid motion estimation of video coding, can solve problems such as inappropriateness, and achieve the effect of ensuring rapidity and accuracy

Inactive Publication Date: 2007-08-01
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It is very inappropriate to use them as prediction points for other motion vectors

Method used

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  • A mixing motion estimation method for video coding
  • A mixing motion estimation method for video coding

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Embodiment Construction

[0027] An embodiment of the present invention will be described below in conjunction with the latest international video compression standard MPEG-4 AVC / H.264 (hereinafter referred to as H.264).

[0028] H.264, like other well-known compression standards MPEG-2, MPEG-4, and H.263, is a video compression standard based on macroblocks. The present invention can also be applied to all other compression techniques based on macroblocks. H.264 adds 16×8, 8×16, 8×8 three sub-blocks and 8×4, 4×8, 4×4 three sub-blocks on the basis of macroblocks. Therefore, when H.264 performs motion estimation, it will perform the macroblock, different sub-blocks and different partitions separately.

[0029] The hybrid motion estimation method mentioned in the present invention, as shown in FIG. 5, is a schematic diagram of the principle of the hybrid motion estimation method of the present invention. That is, the first row adopts high-precision motion estimation, and the first column interval adopts high...

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Abstract

The mixed motion estimation method applied different macro block motion feature is to use high-precise motion estimation to all macro blocks in the first row and partial macro blocks in the first column, and simple motion estimation to other blocks. This invention integrates current two motion estimation methods to ensure both search speed and precision, and reduces complexity on both software and hardware greatly.

Description

Technical field [0001] The present invention belongs to the field of video coding in signal processing, and is a fast motion estimation method applicable to various current popular video coding standards, that is, a hybrid motion estimation method for video coding. While ensuring the efficiency and quality of video coding, the method of the present invention can greatly reduce the complexity of software and hardware calculations. Background technique [0002] With its clear image quality, MPEG-2 became the compression standard for the video part of the first-generation digital TV. However, with the continuous development of compression technology and the continuous improvement of the computing speed of hardware equipment, MPEG-2 has shown more and more deficiencies. There are three most likely to become the next generation of high-definition digital TV video compression standards. First, the MPEG-4AVC / H.264 standard jointly formulated by the MPEG working group of ISO and the VCEG...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26H04N7/32H04N7/30H04N7/50H04N19/176H04N19/51
Inventor 陆寄远朝红阳
Owner SUN YAT SEN UNIV