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.

Date of Patent:
Jun. 10, 2003

Filed:

Jun. 18, 1999
Applicant:
Inventors:

Cheol Soo Park, Kyoungki-do, KR;

Joo Hee Moon, Seoul, KR;

Hae Kwang Kim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/23 ;
U.S. Cl.
CPC ...
H04N 5/23 ;
Abstract

An image chrominance signal filtering method and apparatus in which object chrominance information and background chrominance information are extracted in an image format conversion process, based on shape information of luminance signals, and then decimation-filtered or interpolation-filtered. In accordance with the method and apparatus of the present invention, it is possible to avoid a color bleeding phenomenon occurring at the boundaries of objects in an image. Accordingly, there is an advantage in that a degradation in picture quality is prevented.


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