This paper examines retrieval methods of plan in the plan library for plan recognition system, based on the state indexing is emphatically discussed.
探讨了在规划识别系统中检索规划库内规划的方法，着重研究基于态势索引的检索问题。
To fulfill the application requirement to retrieve logos in automatic processing document image, a logo recognition and retrieval algorithm based on projective features was presented.
针对文本图像自动处理中对图标图形识别检索的应用需求，提出一种基于投影特征的图标图形识别检索方法。
Contour grouping is used to identify desired structure from noisy image, and very important to many advanced visual problems, such as target recognition and content-based image retrieval.
轮廓编组可以用来在噪声图像中识别显著结构，在许多高级视觉问题中，如目标识别和基于内容的图像检索等，有很重要的作用。
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