发明授权
US06446060B1 System and method for sequential processing for content-based retrieval of composite objects
有权
用于基于内容的复合对象检索的顺序处理的系统和方法
- 专利标题: System and method for sequential processing for content-based retrieval of composite objects
- 专利标题(中): 用于基于内容的复合对象检索的顺序处理的系统和方法
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申请号: US09237734申请日: 1999-01-26
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公开(公告)号: US06446060B1公开(公告)日: 2002-09-03
- 发明人: Lawerence D. Bergman , Vittorio Castelli , Chung-Sheng Li , John R. Smith
- 申请人: Lawerence D. Bergman , Vittorio Castelli , Chung-Sheng Li , John R. Smith
- 主分类号: G06F1730
- IPC分类号: G06F1730
摘要:
Similarity measure has been one of the critical issues for successful content-based retrieval. Simple quadratic forms of distance is inadequate as it does not necessary correspond to perceived similarity nor is it adaptive to different applications. This patent application describes a new sequential query processing algorith for evaluating content-based composite object queries. The composite objects consist of spatial and temporal arrangements of simple objects. The simple objects are defined in terms of spatial, temporal, feature and semantic attributes. The query method defines a process for executing a best-first search for the matches to the query, while providing a flexible framework for broadening the search space as required. The query method guarantees that there are no false dismissals of the candidate composite objects.