发明名称 |
ERKENNUNG UND GENAUE SKALIERUNG BEWEGTER BEREICHE MIT ZEILENSPRUNG IN MPEG-2 KOMPRIMIERTEM VIDEO |
摘要 |
The present invention provides a method of and system for determining whether a local area of a compressed video stream represented by a plurality of DCT encoded blocks subject to decoding and filtering/scaling is a stationary area or an interlaced moving area. Further, given such information, the invention relates to dynamically switching between frame- or field-based operations in a smart way, thus optimizing the output picture quality. Also, a DCT-domain-filtering scheme for field-based filtering/scaling of frame-DCT data is provided herein. |
申请公布号 |
DE60214837(D1) |
申请公布日期 |
2006.11.02 |
申请号 |
DE2002614837 |
申请日期 |
2002.04.02 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
ZHONG, ZHUN;LAN, TSE-HUA;CHEN, YINGWEI |
分类号 |
H04N7/32;H04N7/50;G06T9/00;H03M7/30;H04N7/36 |
主分类号 |
H04N7/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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