The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 1992
Filed:
Dec. 19, 1991
Applicant:
Inventors:
Steven M Blonstein, San Jose, CA (US);
James D Allen, Santa Cruz, CA (US);
Kevin P Corcoran, Fremont, CA (US);
Assignees:
Ricoh Corporation, Menlo Park, CA (US);
Ricoh, Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
3582613 ; 358426 ; 358458 ; 358 75 ; 382 56 ;
Abstract
A color image compression system and method provides an improved technique of combining various image processing techniques to obtain high quality color image compression. The present invention provides color image compression, especially high quality original images that require up to 24 bits of data per pixel. The present invention utilizes a delta quantizing technique between an array of pixels to provide an improved color image compression aspect.