相位分割；
The method consists of three steps. Firstly, image segmentation is achieved by watershed transform based on phase congruency gradient and foreground marking to extract image objects.
首先， 利用基于相位一致梯度与前景标记的分水岭变换进行影 像分割， 提取图像斑块；
The major work includes:1 Propose an improved Chinese word segmentation algorithm for large-scale Chinese information processing, which is the basic phase of the building of Chinese search engine.
其中主要的工作包括：1大规模中文信息处理是构建中文搜索引擎的基本环节，为了实现大规模中文信息处理，本文提出了一种改进的中文分词算法。
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