Method and apparatus for pattern matching

Details Method and apparatus for pattern matching Method and apparatus for pattern matching

1993-01-08

1994-12-13

Mancuso, Joseph

Image analysis

Histogram processing

For setting a threshold

382 56, G06K 968, G06K 936

Patent

active

053735676

ABSTRACT:
In the pattern matching method, when a reference pattern is extracted from the reference picture, check search is carried out repeatedly a plural number of times while conducting picture compressions on the reference picture with the compression start position being changed to obtain correlation values between the reference picture and the reference pattern. Based on the correlation values obtained by the check search, the number of times of search to be done actually and the picture compression ratio for the actual search are determined.

REFERENCES:
patent: 3289164 (1966-11-01), Rabinow
patent: 3827025 (1974-07-01), Mauch et al.
patent: 3829831 (1974-08-01), Yamamoto et al.
patent: 4072928 (1978-02-01), Wilder
patent: 4742556 (1988-05-01), Davis, Jr. et al.
patent: 4893346 (1990-01-01), Bishop

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