Image data processing apparatus

Image analysis – Image enhancement or restoration – Variable threshold – gain – or slice level

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Details

382276, 348578, 364731, 708442, G06K 938

Patent

active

060185988

ABSTRACT:
An image data processing apparatus for adding a special effect to an input image data, which is provided with function data generating circuit for generating function data in accordance with positions of pixel data for each pixel data forming the image data, random number generating circuit for generating different random numbers for each pixel data, and output circuit for judging based on the function data and the random number data if the corresponding pixel data is valid data or invalid data, outputting the pixel data only when valid data.

REFERENCES:
patent: 5051734 (1991-09-01), Lake, Jr.
patent: 5150428 (1992-09-01), Leone et al.
patent: 5225824 (1993-07-01), Yamamoto et al.
patent: 5751864 (1998-05-01), Moriwake et al.

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