Image processing apparatus, image processing method and network

Details Image processing apparatus, image processing method and network Image processing apparatus, image processing method and network

1995-12-28

1998-09-08

Shin, Christopher B.

395893, 395894, G06F 1300

Patent

active

058059334

ABSTRACT:
A series of arrangements from a CCD sensor to an input masking unit output image data obtained by reading an original image. A JPEG-I/F receives JPEG or MPEG image data from an ATM network. The input JPEG or MPEG data is temporarily stored in a page memory, and is read out from the page memory in synchronism with the image formation timings. The readout data is decoded by a JPEG (or MPEG) expansion unit. A bus selector selects the image data output from the input masking unit or the JPEG (or MPEG) expansion unit, and the selected image data is supplied to a compression unit via a color space conversion unit and a zooming unit. The memory size can be reduced using a common coding unit and high-quality image data can be output independently of whether or not input image data is coded.

REFERENCES:
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patent: 5461681 (1995-10-01), Sato
patent: 5461682 (1995-10-01), Nomura
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patent: 5519499 (1996-05-01), Saito
patent: 5644366 (1997-07-01), Ushida et al.
patent: 5650861 (1997-07-01), Nakajima et al.

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