Apparatus for binarizing image signals

Details Apparatus for binarizing image signals Apparatus for binarizing image signals

1990-05-14

1992-11-24

Mancuso, Joseph

Image analysis

Histogram processing

For setting a threshold

358466, 382 18, G06K 938

Patent

active

051669862

ABSTRACT:
An apparatus for converting image signals into binary signals is disclosed. The apparatus comprises: a binarizing section for binarizing image signals; a connectivity distribution section for obtaining connectivities between pixels from binary signals and for producing a connectivity distribution; and a judging section for, from connectivity distributions obtained with different binary levels, judging the level at which the frequencies of maximum and minimum connectivities are highest and the sum of the frequencies of intermediate connectivities is minimal.

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"Relation of Binary Image Complexity to Gray-Scaled Image Thresholding" by Taniguchi et al., pp. 91-100, 1987.

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