Image compression device, image compression method,...

Details Image compression device, image compression method,... Image compression device, image compression method,...

2006-08-15

2006-08-15

Dang, Duy M. (Department: 2624)

Image analysis

Image compression or coding

Adaptive coding

C382S166000, C382S232000, C382S251000

Reexamination Certificate

active

07092577

ABSTRACT:
An image compression device includes a transformation part for subjecting image data to frequency decomposition and for determining transformation coefficients, a coefficient adjustment part for altering the transformation coefficients according to imaging conditions for obtaining the image data, and an encoding part for encoding the altered transformation coefficients.

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patent: 5845011 (1998-12-01), Miyamoto et al.
patent: 5907642 (1999-05-01), Ito
patent: 6049630 (2000-04-01), Wang et al.

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