Scene change detection is the main part and basis of content based video retrieval, and it can works on uncompressed domain and compressed domain.
镜头边界的检测则是基于内容视频检索的基础和重要步骤,它可以在解压域和压缩域两个方面进行。
参考来源 - 基于内容的视频检索中镜头边界检测方法的研究与应用·2,447,543篇论文数据,部分数据来源于NoteExpress
研究了解压域镜头探测技术,实现了利用直方图差值探测镜头和基于像素域探测镜头两种方法。
Various shot detection methods in decompressed domain are studied. We realize shot detection based on two methods, such as color histogram difference and pixel-based domain.
这些函数从JPEG图像离散余弦变换(DCT)域及其解压图像所在空域中提取易变特征。
Variable characteristics were captured in discrete cosine transform (DCT) domain of JPEG images and from their decompressed versions with these functions.
用同一块数据进行压缩解压缩成像实验并与已有的方法进行比较,实验结果表明该文提出的方法在数据域和图像域的性能都优于已有的方法。
The same raw data is experimented with this method and the existing methods. The experiments results show that this method outperforms the existing methods in raw data domain and SAR image domain.
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