发明名称 Invariant, Eigenvalue based, non-degenerate data structure characterization, storage and retrieval indexing method
摘要 Disclosed is a method for enabling easy characterization, storage and retrieval of multi-dimensional data structures involving use of a translation, rotation and scaling invariant index which results from concatenating a series of Eigenvalue calculation mediated index elements determined at a plurality of hierarchical data depth levels.
申请公布号 US6332037(B1) 申请公布日期 2001.12.18
申请号 US19990287961 申请日期 1999.04.09
申请人 BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA 发明人 ZHU QIUMING
分类号 G06F17/30;G06K9/52;(IPC1-7):G06K9/34 主分类号 G06F17/30
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