Image processing apparatus

Details Image processing apparatus Image processing apparatus

1996-01-31

1998-05-12

Nguyen, Phu K.

G06F 1500

Patent

active

057519293

ABSTRACT:
An image processing apparatus is constructed by a C signal multi-level forming circuit, an M signal multi-level forming circuit, and a Y signal multi-level forming circuit for receiving multi-level color image data and multi-level black image data of a low resolution, converting the inputted multi-level color image data into data of at least three levels consisting of two bits, and converting into data of a higher resolution than the input data; a K signal binarization circuit and a smoothing processing unit for converting the inputted black image data into the binary data and converting into data of a higher resolution than the input data by a smoothing process, and a print unit for forming a color image on the basis of the binary C, M, Y and K data converted into the high resolution data. The multi-level color data and black image data are doubled and a multi-level memory to store the doubled data is unnecessary. The recording can be performed at a high resolution.

REFERENCES:
patent: 5469198 (1995-11-01), Kadonaga
patent: 5568597 (1996-10-01), Nakayama et al.

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