Image analysis – Histogram processing – For setting a threshold
Patent
1992-06-08
1994-09-06
Moore, David K.
Image analysis
Histogram processing
For setting a threshold
382 42, 358451, G06K 940, G06K 942
Patent
active
053455177
ABSTRACT:
An image reduction apparatus includes a smoothing unit for smoothing binary image data, a binarization unit for binarizing an output from the smoothing unit, a detection unit for detecting an attribute of the binary image data smoothed by the smoothing unit, a plurality of correction units corresponding to a plurality of attributes, and a selector for selecting one of the correction units in accordance with the attribute detected by the detection unit. An output from the binarization unit is corrected by the correction unit selected by the selector.
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Digital Image Processing, by Gonzalez et al., Addison-Wesley 1992.
Hirabayashi Yasuji
Katayama Akihiro
Maeda Mitsuru
Yoshida Tadashi
Cammarata Michael
Canon Kabushiki Kaisha
Moore David K.
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