Electronic parts recognition method and apparatus therefore

Details Electronic parts recognition method and apparatus therefore Electronic parts recognition method and apparatus therefore

1987-11-10

1989-07-11

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 22, 358101, 364490, G06K 900, G06K 934

Patent

active

048479110

ABSTRACT:
Image of an electronic part is subdivided into a plurality of segments and is taken in a picture area of a video camera, and picture area is shifted in a predetermined direction along a circumference portion or boundary; a characteristic portion positioned on an end portion of the picture area is also included in the beginning part of a successive picture area, and then the positions and shapes of the respective characteristic portions in the successive picture area are detected on the basis of the image data of characterisitc portion at the end portion of the previous picture area.

REFERENCES:
patent: 4604648 (1986-08-01), Kley
patent: 4651203 (1987-03-01), Peterson
patent: 4686565 (1987-08-01), Ando
patent: 4701859 (1987-10-01), Matsuyama et al.
patent: 4772125 (1988-09-01), Yoshimura et al.
patent: 4783826 (1988-11-01), Koso
patent: 4799268 (1989-01-01), McLean et al.

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