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:
Oct. 26, 1999
Filed:
Feb. 25, 1997
Applicant:
Inventor:
Sang-uk Kim, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Kyungki-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358455 ; 358456 ; 358457 ; 382252 ;
Abstract
A half-tone processing method includes the steps of generating a half-tone processed pixel value h(u,v) determined by comparing a pixel value f'(u,v) with the dither matrix g(u,v) having the corresponding threshold values, computing an error value e(u,v) between a half-tone processed pixel value h(u,v) and an original pixel value f(u,v), and recomputing a pixel value f'(u+m,v+n) by diffusing the error value e (u,v) to the adjacent pixel f(u+m,v+n) of the original pixel value f(u,v) corresponding to f'(u,v).