发明名称 |
Method and apparatus for filtering chrominance signals of image |
摘要 |
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.
|
申请公布号 |
US6577352(B1) |
申请公布日期 |
2003.06.10 |
申请号 |
US19990335636 |
申请日期 |
1999.06.18 |
申请人 |
HYUNDAI ELECTRONICS IND. CO., LTD |
发明人 |
PARK CHEOL SOO;MOON JOO HEE;KIM HAE KWANG |
分类号 |
H04N11/04;H04N7/26;H04N7/32;H04N9/64;H04N9/77;(IPC1-7):H04N5/23 |
主分类号 |
H04N11/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|