Image processing apparatus using neural network

Details Image processing apparatus using neural network Image processing apparatus using neural network

1991-06-11

1994-05-03

Couso, Jose L.

Image analysis

Histogram processing

For setting a threshold

382 14, 382 15, G06K 938, G06K 962

Patent

active

053095251

ABSTRACT:
Disclosed is an image processing apparatus having an input device for inputting binary image data comprising a plurality of pixels which include a pixel of interest that is to be subjected to multivalued conversion, the plurality of pixels being contained in an area that is asymmetrical with respect to the position of the pixel of interest, and an multivalued converting device for executing processing, by a neural network, to restore the input binary image data to multivalued image data for the pixel of interest, whereby multivalued image data is estimated from binarized image data. It is possible to reduce the number of pixels referred to in arithmetic operations performed in the neural network.

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The Sixth International Congress on Advances in Non-Impact Printing Technologies. Oct. 21, 1990, Orlando, USA, pp. 791-802, Y. Shimomura et al., "High quality multi-level image restoration from bi-level image".
Electronics & Communications in Japan, Part I--Communications, vol. 71, No. 7, Jul. 1988, New York, US, pp. 88-99, H. Ibaraki et al. "New image processing method for halftone pictures".
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