Hierarchical coding algorithm for medical video based on H.265/HEVC - 文章详情页

作者：

Liu, P.Y. (Liu, P.Y..) | Wu, Y.Y. (Wu, Y.Y..) | Gao, Y. (Gao, Y..) | Jia, K.B. (Jia, K.B..) (学者：贾克斌)

收录：

Scopus

摘要：

In　modern　medical　communication　systems,　the　high-efficiency　video　compression　technology　is　of　great　significance　to　the　storage　and　transmission　of　digital　medical　videos.　To　further　improve　the　compression　performance　of　the　medical　ultra-　sound　videos,　two　innovative　technologies　based　on　diagnostic　region-of-interest　(ROI)　extraction　with　the　High　Efficiency　Video　Coding　(H.265/HEVC)　standard　are　proposed　in　the　paper.　First,　an　image-texture-feature　based　ROI　extraction　algorithm　is　proposed　to　strengthen　the　applicability　of　the　ROI　detection　results　in　the　H.265/HEVC　quad-tree　coding　structure.　Second,　a　hierarchical　coding　algorithm　based　on　the　adaptive　transform　coefficient　adjustment　and　the　quantization　parameter　selection　process　is　designed　to　implement　the　otherness　encoding　for　ROI　and　non-ROI.　Experimental　results　show　that　the　proposed　method　can　improve　the　coding　performance　by　achieving　BD-BR　savings　of　13.52%　on　average　compared　to　H.265/HEVC　(HM15.0).　©　2016,　Ubiquitous　International.　All　Rights　Reserved.

关键词：

H.265/HEVC; Medical video coding; Quad-tree structure; ROI extraction

作者机构：

[ 1 ] [Liu, P.Y.]Beijing Advanced Innovation Center for Future Internet Technology, Beijing University of Technology, Beijing, China
[ 2 ] [Liu, P.Y.]Beijing Laboratory of Advanced Information Networks, Beijing, China
[ 3 ] [Liu, P.Y.]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing, China
[ 4 ] [Wu, Y.Y.]Beijing Advanced Innovation Center for Future Internet Technology, Beijing University of Technology, Beijing, China
[ 5 ] [Wu, Y.Y.]Beijing Laboratory of Advanced Information Networks, Beijing, China
[ 6 ] [Wu, Y.Y.]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing, China
[ 7 ] [Gao, Y.]Beijing Advanced Innovation Center for Future Internet Technology, Beijing University of Technology, Beijing, China
[ 8 ] [Gao, Y.]Beijing Laboratory of Advanced Information Networks, Beijing, China
[ 9 ] [Gao, Y.]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing, China
[ 10 ] [Jia, K.B.]Beijing Advanced Innovation Center for Future Internet Technology, Beijing University of Technology, Beijing, China
[ 11 ] [Jia, K.B.]Beijing Laboratory of Advanced Information Networks, Beijing, China
[ 12 ] [Jia, K.B.]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing, China

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