Method and apparatus for processing digitized images

Details Method and apparatus for processing digitized images Method and apparatus for processing digitized images

1988-03-07

1990-09-11

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

382 68, 358443, G06K 936

Patent

active

049568744

ABSTRACT:
Apparatus for processing digitized images, the apparatus being of the type comprising a matrix memory (104) of pixels (106) organized as N lines (108) by P columns (110), together with processing means (130) for determining which pixels (106) are in the excited state by reading the memory (104). The processing means (130) operate by determining and storing the address of an excited pixel (106) that occupies an extreme position in a line or a column position, by switching said pixel (106) to a non-excited state, and by reiterating these operations until none of the pixels (106) is excited.

REFERENCES:
patent: 3987412 (1976-10-01), Morrin
patent: 4288816 (1981-09-01), Kashioka et al.
patent: 4365273 (1982-12-01), Yamada et al.
patent: 4426731 (1984-01-01), Edlund et al.
patent: 4566128 (1986-01-01), Araki
patent: 4783834 (1988-11-01), Anderson et al.
patent: 4791680 (1988-12-01), Yokoe et al.
IBM Technical Disclosure Bulletin, vol. 19, No. 3, Aug. 1976, pp. 1094-1095, New York, U.S., T. H. Morrin: Contour Coding of Black/White Images without Recursion, p. 1094, lines 1-15.

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