Image encoding system, image decoding system and methods...

Details Image encoding system, image decoding system and methods... Image encoding system, image decoding system and methods...

2005-03-29

2005-03-29

Mariam, Daniel (Department: 2621)

Image analysis

Image compression or coding

Predictive coding

C348S394100, C348S411100

Reexamination Certificate

active

06873737

ABSTRACT:
A system and method are provided for realizing high speed and high efficiency in compression of image data having periodicity. The present invention includes the following: an image input unit to input image signal; a first predictive converter which converts relation between the pixel value of a target pixel in the image signal inputted through the image input part and that of another pixel into a first prediction value; a first encoder which generates intermediate data by encoding the first prediction value output from the first predictive converter; a second predictive converter which converts relation between a target symbol among symbols making up the intermediate data generated by the first encoder and another symbol into a second prediction value; and a second encoder which generates an encoded signal by encoding the second prediction value output from the second predictive converter.

REFERENCES:
patent: 4144547 (1979-03-01), Stoffel
patent: 4215374 (1980-07-01), Mizuno
patent: 4633325 (1986-12-01), Usubuchi
patent: 5134478 (1992-07-01), Golin
patent: 5991449 (1999-11-01), Kimura et al.
patent: 6028963 (2000-02-01), Kajiwara
patent: 9-224253 (1997-08-01), None
Takagi and Shimoda, “Handbook Of Image Analysis”, University of Tokyo Press, 1991, pp. 497-498.

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