Position recognizing method and apparatus therefor

Details Position recognizing method and apparatus therefor Position recognizing method and apparatus therefor

1991-03-06

1992-08-04

Razavi, Michael

Image analysis

Histogram processing

For setting a threshold

382 30, 382 51, G06K 946

Patent

active

051366614

ABSTRACT:
In a position recognizing method and an apparatus, an edge is detected by scanning a one-dimensional model including an edge to be recognized and one-dimensional edge detecting data of an image obtained via a camera so as to determine the difference between the density of the pixel of the one-dimensional model and the density of the corresponding pixel of the one-dimensional edge detecting data and the geometric balance therebetween. Then, the amount of data for detecting the edge becomes smaller and the pattern or parts can be recognized without controlling the binary level and at a high speed.

REFERENCES:
patent: 4635293 (1987-01-01), Watanabe
patent: 4868884 (1989-09-01), Miyazaki et al.
patent: 4972499 (1990-11-01), Kurosawa
patent: 5003616 (1991-03-01), Orita et al.

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