Image processing method and apparatus

Details Image processing method and apparatus Image processing method and apparatus

1994-10-17

1995-07-11

Evans, Arthur G.

395115, G06F 1500

Patent

active

054328918

ABSTRACT:
A reduced image is enlarged, difference data representing the difference between the enlarged image and an original image is obtained, and the difference data is compressed. Image data is restored by enlarging the reduced image, and expanding the difference data. When compression cannot be performed to a data size equal to or smaller than a predetermined data size, compressed difference data is not stored.

REFERENCES:
patent: 4068224 (1978-01-01), Bochtle et al.
patent: 4903317 (1990-02-01), Nishihara et al.
patent: 5068805 (1991-11-01), Tsuzuki

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