Image processing method for system employing pattern matching

Details Image processing method for system employing pattern matching Image processing method for system employing pattern matching

1998-06-08

2000-07-11

Au, Amelia

Image analysis

Pattern recognition

Template matching

382 22, 382278, 382283, 36472803, G06K 962, G06K 968, G06K 964, G06K 936, G06F 1715

Patent

active

060884835

ABSTRACT:
Provided are an image processing method employing pattern matching, whereby the number of calculations for a normalized correlation factor can be reduced and processing speed can be increased in a pattern matching process, and an image processing system therefor. In the pattern matching processing when an insensitive region is set in a template image, values (the sum and the squared sum) obtained during a previous operation for a prior search target sub-image are employed to perform calculations for a current search target sub-image, relative to coordinate sequence code that indicates the start point and the end point of a sequence of pixels having values of "1."

REFERENCES:
patent: 5751286 (1998-05-01), Barber et al.
patent: 5790702 (1998-08-01), Yoshimura
patent: 5805727 (1998-09-01), Nakano
patent: 5809171 (1998-09-01), Neff et al.
patent: 5943442 (1999-08-01), Tanaka et al.

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