机构地区: 武汉大学计算机学院
出 处: 《计算机辅助设计与图形学学报》 2003年第12期1457-1462,共6页
摘 要: 根据使用的压缩域上的信息将当前国内外的视频分段技术划分为 5种类型 ,介绍了各种研究方法的特点及其不足之处 ,分析了当前视频分段技术的研究现状和存在问题 。 An overview of existing techniques for video segmentation in the compressed domain, including their relative advantages and limitations is presented According to the main contents of information used, these methods for video segmentation were classified into five types, namely: using DCT coefficients, DC terms, motion vectors(MV), DC terms and MV, macro block coding and MV In addition, recent research status in this area and the existing problems were also described Finally, the research prospect was discussed