An image processing apparatus for detecting the boundary of an o

Details An image processing apparatus for detecting the boundary of an o An image processing apparatus for detecting the boundary of an o

1990-12-18

1993-01-19

Couso, Jose

Image analysis

Histogram processing

For setting a threshold

382 22, 382 25, 358452, 358453, G06K 920

Patent

active

051812614

ABSTRACT:
A method and apparatus for processing an image composed of pixels having actual values is used in image processing applications for images picturing an object having a boundary. A group of pixels making up the image is designated, and the designated group of pixels includes the pixels which form the image of the object. The pixels in the designated group of pixels are labeled with label values, and one of the labeled pixels in the designated group is randomly marked. The label value of the marked pixel is altered, and the altered label value is dependent upon the acutal value and the label value of the marked pixel and the actual value and the label value of at least one other pixel.

REFERENCES:
patent: 4783829 (1988-11-01), Miyakawa et al.
patent: 4965678 (1990-10-01), Yamada

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