Image data processing apparatus

Details Image data processing apparatus Image data processing apparatus

1990-07-09

1991-12-17

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

358429, 358457, 358459, G06K 936

Patent

active

050739662

ABSTRACT:
An image data processing apparatus comprises output means for outputting image data for each pixel and compression means for compressing the image data supplied from the output means to image data of a predetermined number of bits. The compression means compresses the image data in accordance with a dot pattern having a predetermined number of tone levels.

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Stoffel, et al., "A Survey of Electronic Techniques for Pictoral Image Reproduction", IEEE Transactions on Communications, vol. COM-29, No. 12, Dec. 1981, pp. 1898-1925.

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