Data retrieving method
专利汇可以提供Data retrieving method专利检索，专利查询，专利分析的服务。并且PURPOSE: To provide the vectors of a tree structure and vectors which are arranged in parallel and to properly use them according to the purpose by a system which makes a similarity comparison between an unknown vector and a previously registered vector.
CONSTITUTION: When elements of the previously given standard vector V
0 and an observed vector V are denoted as (V
1 , V
2 , V
3 and V
4 ), the respective elements have values within some fixed range according to the purpose of utilization and the vectors are retrieved by different systems when the variable V varies continuously so that -1(white)≤V≤1(black) and when not. Namely, when the number of states that the variable has is small, tree type retrieval is better and when the variable varies continuously, templete matching (where the distances of all vectors to the standard vector are calculated to select the one having the shortest distance) is utilized. Thus, the quantity of objective vectors is judged and only when the quality is good, the tree type retrieval is carried out to speed up the processing.
COPYRIGHT: (C)1987,JPO&Japio，下面是Data retrieving method专利的具体信息内容。
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