首页> 中文期刊> 《先进制造进展:英文版》 >Edge Oriented Compression Coding on Image Sequence

Edge Oriented Compression Coding on Image Sequence

         

摘要

An edge oriented image sequence coding scheme is presented. On the basis of edge detecting, an image could be divided into the sensitized region and the smooth region. In this scheme, the architecture of sensitized region is approximated with linear type of segments. Then a rectangle belt is constructed for each segment. Finally, the gray value distribution in the region is fitted by normal forms polynomials. The model matching and motion analysis are also based on the architecture of sensitized region. For the smooth region we use the run length scanning and linear approximating. By means of normal forms polynomial fitting and motion prediction by matching, the images are compressed. It is shown throughthe simulations that the subjective quality of reconstructed picture is excellent at 0.0075 bit per pel.

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