发明名称 |
Method and system for optimal video transcoding based on utility function descriptors |
摘要 |
Techniques for generating utility-based descriptors from compressed multimedia information are disclosed. A preferred method includes the steps of receiving least a segment of compressed multimedia information, determining two or more portions of utility based descriptor information based on one or more adaptation operations, each corresponding to a unique target rate, adapting the compressed multimedia segment by each the portions of utility based descriptor information to generate adapted multimedia segments, using a quality management method to generate measurement for each adapted multimedia segment, and generating a utility based descriptors based on the portions of utility based descriptor information and corresponding quality measurements.
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申请公布号 |
US8218617(B2) |
申请公布日期 |
2012.07.10 |
申请号 |
US20040965040 |
申请日期 |
2004.10.14 |
申请人 |
KIM JAE-GON;WANG YONG;CHANG SHIH-FU;KANG KYEONGOK;KIM JINWOONG;THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK |
发明人 |
KIM JAE-GON;WANG YONG;CHANG SHIH-FU;KANG KYEONGOK;KIM JINWOONG |
分类号 |
G06F15/16;H04N7/12;G06F17/00;H03M7/30;H04N7/26;H04N7/46;H04N7/50;H04N11/02;H04N11/04 |
主分类号 |
G06F15/16 |
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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