Method for determining the relation between movement characteristics and high efficient coding mode in pixel-domain video transcoding
A coding mode and motion feature technology, applied in digital video signal modification, television, image analysis, etc., can solve problems that no one has given, and achieve the effect of improving transcoding performance and simplifying the solution process
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[0034] The method for determining the relationship between motion features and high-efficiency coding modes in pixel domain video transcoding is: during the video transcoding process from the source video in the first format to the target video in the second format through the pixel domain, by analyzing the typical feature video The transcoding performance data under various mode combinations of the two-format encoder obtains the relationship between the motion vector feature in the source video of the first encoding format and the optimal encoding mode of the encoder of the second encoding format.
[0035] see figure 1 , the method includes the following steps: first select a video sequence with typical motion characteristics at a specific resolution, and analyze the histogram of the motion vector amplitude by video frame; The video quality of transcoding under various combinations of modes; then stepwise regression method is used to select the most effective coding mode; the...
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