Method and device for detecting SKIP macro block
A detection method and macroblock technology, applied in the computer field, can solve problems such as large amount of calculation, and achieve the effect of reducing the amount of calculation
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[0064] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0065] Generally speaking, SKIP macroblocks are macroblocks with no pixel residuals and no motion vector residuals (ie, MVD=0). Especially in the case of static scenes or moving backgrounds, the proportion of SKIP macroblocks is very In the process of encoding, in order to reduce the code rate to a large extent, if the macroblock is known to be a SKIP macroblock, it is not necessary to perform DCT transformation or quantization on the SKIP macroblock, but only mark the SKIP macroblock , when decoding, just copy the corresponding macroblock from the reference frame directly according to the mark. It can be seen from this that the judgment of SKIP macroblocks is very important to improve the encoding effect and reduce the code rate. The ...
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