Finally, we do some discussion in key frame extraction and shot cluster.
最后，对关键帧提取和镜头聚类等方面做了一定的探讨。
During key frame extraction, the concept of image entropy is used after shot being segmented into sub-shots.
在关键帧提取阶段，将镜头分割为子镜头后，引入图像熵的概念提取关键帧。
The pixel-matching two-difference algorithm and two histogram comparison are used for shot detection, a method of extraction shot key frame based on distance of adjacent frame is presented.
首先使用改进了的像素匹配二次差分法结合双阈值法进行镜头突变和渐变的检测，然后对镜头内的帧间距离进行判断来提取关键帧；
The study and design of a key frame extraction system based on shot attribute is described in this paper.
研究并设计了一种基于镜头属性的关键帧提取系统。
Then key frame extraction will be carried out after shot segmentation to describe main content of shot.
视频分割为镜头后，下一步的工作就是进行关键帧提取，用以描述镜头的主要内容。
The framework of video abstraction system in compressed domain is described, and main algorithms such as shot change detection, key-frame extraction and face detection are discussed.
给出了压缩域视频摘要系统的结构框架，并对其中的压缩域视频镜头变换检测、关键帧提取和压缩域人脸检测等主要算法进行了讨论。
This paper proposes a novel shot boundary detection and key-frame extraction algorithm, and a anchor person detection technique as well.
本文提出了一种新的通用镜头边界检测及关键帧提取算法，以及针对新闻中固定不变的一类镜头——口播镜头的识别算法。
This system mainly include three parts-image pre-processing, extracting image features, shot boundaries detection and key-frame extraction.
该视频镜头边界检测系统主要包括三个部分——图像预处理、图像特征提取、镜头边界检测及关键帧提取。
This system mainly include three parts-image pre-processing, extracting image features, shot boundaries detection and key-frame extraction.
该视频镜头边界检测系统主要包括三个部分——图像预处理、图像特征提取、镜头边界检测及关键帧提取。
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