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. |
申请公布号 |
EP1532812(A2) |
申请公布日期 |
2005.05.25 |
申请号 |
EP20030724229 |
申请日期 |
2003.04.25 |
申请人 |
THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK;ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
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;(IPC1-7):H04N7/12 |
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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