发明授权
- 专利标题: Methods and apparatus for incremental approximate nearest neighbor searching
- 专利标题(中): 增量近似最近邻搜索的方法和装置
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申请号: US12058976申请日: 2008-03-31
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公开(公告)号: US07894627B2公开(公告)日: 2011-02-22
- 发明人: Christian A. Lang , Min Wang
- 申请人: Christian A. Lang , Min Wang
- 申请人地址: US NY Armonk
- 专利权人: International Business Machines Corporation
- 当前专利权人: International Business Machines Corporation
- 当前专利权人地址: US NY Armonk
- 代理机构: Ryan, Mason & Lewis, LLP
- 主分类号: G06K9/00
- IPC分类号: G06K9/00
摘要:
Methods and apparatus are provided for incremental approximate nearest neighbor searching. An approximate nearest neighbor is incrementally retrieved from a data set having a plurality of objects and cells of objects in a hierarchical organization based on a query object. The present invention maintains an object priority queue to organize the objects based on a distance to the query object and a cell priority queue to organize the cells of objects based on a distance to the query object. The next approximate nearest neighbor is incrementally retrieved based on a state of one or more of the object priority queue and the cell priority queue.