Binarizing device and computer readable medium

Details Binarizing device and computer readable medium Binarizing device and computer readable medium

2008-12-24

2011-12-13

Wu, Jingge (Department: 2624)

Image analysis

Color image processing

Pattern recognition or classification using color

C382S173000

Reexamination Certificate

active

08077966

ABSTRACT:
A binarizing device includes: a difference vector calculation unit that calculates a difference vector between an average color in a peripheral pixel region and a current color of a current pixel; a selection unit that selects one of the average color and the current color as a significant color; and an output unit that, in a case where predetermined conditions are satisfied, outputs one of binary values, and that, in a case where at least one of the predetermined conditions is not satisfied, outputs the other of the binary values, wherein the selection unit calculates a run length of each of the average color and the current color in a plurality of directions in the peripheral pixel region, and selects one of the average color and the current color, which has a shorter run length, as the significant color.

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Japanese Office Action issued in Japanese Patent Application No. 2008-000618 on Jan. 6, 2010. (with translation).

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