| 发明名称 |
METHOD OF AND SYSTEM FOR ACTIVITY-BASED FREQUENCY WEIGHTING FOR FGS ENHANCEMENT LAYERS |
| 摘要 |
<p>The present invention provides methods and systems to determine the frequency weighting matrix that will provide the best image quality during MPEG4 FGS enhancement layer encoding, and to change this determination on a scene characteristics change basis, thereby optimizing the resulting output picture quality, especially in bandwidth-deprived applications.</p> |
| 申请公布号 |
EP1396152(A1) |
申请公布日期 |
2004.03.10 |
| 申请号 |
EP20020727914 |
申请日期 |
2002.05.15 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
PENG, SHAOMIN;VAN DER SCHAAR, MIHAELA |
| 分类号 |
H04N7/30;H03M7/30;H04N7/26;(IPC1-7):H04N7/26 |
主分类号 |
H04N7/30 |
| 代理机构 |
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