发明名称 |
Method and Apparatus for Compensating for Chrominance Saturation |
摘要 |
<p>A method of colour saturation compensation in a video signal is disclosed. The method includes the steps of: processing a luminance signal component of the video signal; determining whether the processing of the luminance signal results in a change in chrominance saturation; if the step of determining reveals that the chrominance saturation has changed, applying a chrominance compensation signal to the chrominance signals to counteract the effects of chrominance saturation, wherein said step of applying a compensation signal include the steps of: generating a compensation signal which is dependent on hue and luminance ratio (output luminance signal / input luminance signal). Apparatus for performing the method is also disclosed. <IMAGE></p> |
申请公布号 |
EP1480468(A2) |
申请公布日期 |
2004.11.24 |
申请号 |
EP20040102111 |
申请日期 |
2004.05.13 |
申请人 |
STMICROELECTRONICS ASIA PACIFIC PTE LTD |
发明人 |
HUANG, YONG;CHIANG, PATRICIA WEI YIN, MS.;HUI, LUCAS Y.W.;GOH, KWONG HUANG |
分类号 |
H04N5/20;H04N9/77;H04N5/52;H04N9/64;H04N9/68;(IPC1-7):H04N9/64 |
主分类号 |
H04N5/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|