（Clustering）7，8，二是边界为主分割 法（Boundary-based segmentation）9， 以 及 区 块 为 主 分 割 法 （ Region-based segmentation）1。
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Automatic video segmentation, which is based on SBD (shot boundary detection), is one necessary step in establishing video databases.
视频自动分割是实现视频数据库检索必不可少的一个过程，其基础是镜头边界检测。
Common methods of image segmentation can be summarized as follow: methods based on boundary detection and edge linking, methods based on region, methods based on special theory.
常见的图像分割方法归纳为基于边界检测和边缘连接的方法、基于区域的分割方法和结合特定理论工具的分割方法三大类。
The image threshold segmentation algorithm based on the Particle Swarm Optimization (PSO) combined with the rough entropy based on boundary region is presented.
提出一种基于微粒群优化(PSO)的边界区域粗糙熵的阈值图像分割算法。
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