Image data processing apparatus having pixel quantity conversion

Details Image data processing apparatus having pixel quantity conversion Image data processing apparatus having pixel quantity conversion

1997-07-08

2000-01-18

Lee, Thomas D.

Image analysis

Image transformation or preprocessing

Changing the image coordinates

382252, 358448, 358456, G06K 932

Patent

active

060163704

ABSTRACT:
An image data processing apparatus is described that prevents the quality of image data from being degraded by pixel quantity conversion. The apparatus includes an analog processor, a quantity converter and a binarization converter. The analog processor quantizes each of the analog element data to generate multiple-state element data, The quantity converter changes the number of plural pieces of multiple-state element data in one line to generate quantity-converted element data. The quantity converter averages at least two adjacent pieces of multiple-state element data to generate an average value as one piece of new multiple-state element data. The quantity converter further selectively outputs the new multiple-state element data and original multiple-state element data as the quantity-converted element data. The binarization converter binarizes the quantity-converted element data to generate binary element data.

REFERENCES:
patent: 5727086 (1998-03-01), Yoshida
patent: 5764816 (1998-06-01), Kohno et al.

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