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Sport evaluating device and method with optimized complication degree

A technology of computational complexity and motion, applied in television, electrical components, digital video signal modification, etc., can solve the problem of not being able to increase the overall rate

Inactive Publication Date: 2005-10-05
CS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even if the time period required for texture encoding is shortened, if the time period required for ME is not shortened according to the pipeline structure shown in Figure 2, the overall rate cannot be increased

Method used

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  • Sport evaluating device and method with optimized complication degree
  • Sport evaluating device and method with optimized complication degree
  • Sport evaluating device and method with optimized complication degree

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Embodiment Construction

[0057] Before giving a detailed description of the present invention, technical terms used in the present invention are described.

[0058] A macroblock is a unit of 16×16 pixels. Divide a frame into multiple macroblocks. Each macroblock is divided into 4 luma blocks and 2 chrominance blocks. Each block consists of 8x8 pixels.

[0059] Intra mode is a coding mode that only uses the current frame without considering the previous frame.

[0060] The intermediate mode is a mode for encoding a difference between a previous frame and a current frame and a motion vector (MV). Divide intermediate patterns into 1MV and 4MV patterns.

[0061] The 1MV mode is a mode in which there is one MV per macroblock in the middle mode.

[0062] The 4MV mode is a mode in which each luma block has one MV in the middle mode. 4MV mode has a total of 4 MVs in a macroblock.

[0063] Embodiments of the present invention will be described below with reference to the drawings.

[0064] Figure 5 is...

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Abstract

A motion evaluating device and method with optimized complication degree. Disclosed is a motion evaluating (ME) device and method using a motion vector (MV) fast searching algorithm, which can significantly reduce calculation amount by using the fast searching algorithm rather than a traditional global search algorithm, and which will allows the user to define the complexity level of the calculation. The MV fast search algorithm induces about 0.5 dB of image degradation at most, but can significantly reduce the calculation amount. As the calculation amount of the ME circuit can be adjusted by inputing the calculation complexity parameters, it make a pipeline arrangement taking a parallel approach to implement the texture coding in it, have a highest efficiency.

Description

technical field [0001] The present invention generally relates to motion estimation (ME) devices and methods. More particularly, the present invention relates to an ME device and method using a fast search algorithm of a motion vector (MV), which can significantly reduce the amount of computation by utilizing the fast search algorithm instead of a conventional global search algorithm, and allows the user The level of computational complexity is set such that the ME apparatus and method can be readily used in various applications. Background technique [0002] Motion Estimation (ME) techniques are used to achieve high compression efficiency by removing temporal redundancy in video. Video is compressed or encoded using ME technology with international standards such as Moving Picture Experts Group (MPEG), H.263, and the like. [0003] Because the ME operation requires a lot of computation in the video compression process, it seriously affects the overall performance of the v...

Claims

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Application Information

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IPC IPC(8): H04N19/51
Inventor 边铉一
Owner CS TECH CO LTD
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