https://scholars.lib.ntu.edu.tw/handle/123456789/154780
標題: | Fast video segmentation algorithm with shadow cancellation, global motion compensation, and adaptive threshold techniques | 作者: | SHAO-YI CHIEN Huang, Yu-Wen Hsieh, Bing-Yu Ma, Shyh-Yih LIANG-GEE CHEN |
關鍵字: | Adaptive threshold; Background registration; Global motion compensation; MPEG-4 camera systems; Object extraction; Shadow cancellation; Video segmentation | 公開日期: | 2004 | 卷: | 6 | 期: | 5 | 起(迄)頁: | 732-748 | 來源出版物: | IEEE Transactions on Multimedia | 摘要: | Automatic video segmentation plays an important role in real-time MPEG-4 encoding systems. Several video segmentation algorithms have been proposed; however, most of them are not suitable for real-time applications because of high computation load and many parameters needed to be set in advance. This paper presents a fast video segmentation algorithm for MPEG-4 camera systems. With change detection and background registration techniques, this algorithm can give satisfying segmentation results with low computation load. The processing speed of 40 QCIF frames per second can be achieved on a personal computer with an 800 MHz Pentium-III processor. Besides, it has shadow cancellation mode, which can deal with light changing effect and shadow effect. A fast global motion compensation algorithm is also included in this algorithm to make it applicable in slight moving camera situations. Furthermore, the required parameters can be decided automatically, which can enhance the proposed algorithm to have adaptive threshold ability. It can be integrated into MPEG-4 videophone systems and digital cameras. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-4744339883&doi=10.1109%2fTMM.2004.834868&partnerID=40&md5=5e8cc0fc22584b6d3b6429946704e7f4 http://scholars.lib.ntu.edu.tw/handle/123456789/309285 http://ntur.lib.ntu.edu.tw/bitstream/246246/141441/1/26.pdf |
ISSN: | 15209210 | DOI: | 10.1109/TMM.2004.834868 | SDG/關鍵字: | Algorithms; Cameras; Image coding; Image segmentation; Mathematical models; Multimedia systems; Program processors; Adaptive threshold; Background registration; Global motion compensation (GMC); MPEG-4 camera systems; Object extraction; Shadow cancellation; Video segmentation; Video signal processing |
顯示於: | 電機工程學系 |
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