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- W2351820565 abstract "Aiming at the problem that traditional flags coding methods cost too much and the mass surveillance video is hard to browse,this paper proposes an efficient object flags coding algorithm supporting video retrieval. The algorithm generates the object flags to store the surveillance video based on object area information and semantic information. The object region information and semantic information can be generated according to the result of video coding and video analysis. In order to reduce the airspace redundant,a novel region information coding algorithm based on intra-frame region growing is proposed. And inter-frame object flags coding algorithm which is based on motion estimation eliminates the temporal redundancy further with sub-pixel precision. Then it writes the encoded object area information,semantic information into original video stream. Experimental results show that,compared with the coding algorithm based on Euclidean distance,the proposed intra-frame object flags coding algorithm makes the coding cost reduced by4%~ 14%,and inter-frame algorithm is reduced by28%~ 48%. Video decoding based on object flags can improve the efficiency of the user to browse by generating user interested video." @default.
- W2351820565 created "2016-06-24" @default.
- W2351820565 creator A5003859680 @default.
- W2351820565 date "2014-01-01" @default.
- W2351820565 modified "2023-09-23" @default.
- W2351820565 title "An Object Flags Encoding Algorithm Supporting Video Retrieval" @default.
- W2351820565 hasPublicationYear "2014" @default.
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