Image analysis – Image enhancement or restoration – Variable threshold – gain – or slice level
Patent
1994-10-20
1998-01-27
Couso, Jose L.
Image analysis
Image enhancement or restoration
Variable threshold, gain, or slice level
G06K 938
Patent
active
057129290
ABSTRACT:
An image processing apparatus comprises an input device for inputting an image data, a first converter circuit for converting the input image signal to an analog image output and a second converter circuit for converting the input image data to a digital image output. The first converter circuit controls the analog image output in accordance with the output of the second converter circuit. The second converter circuit produces different digital signals in accordance with the input image data and has a threshold matrix to be compared with the input image data.
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Kadowaki Hidejiro
Kawamura Naoto
Canon Kabushiki Kaisha
Couso Jose L.
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