发明名称 |
Video retrieval method and apparatus |
摘要 |
There is provided a video retrieval method, and apparatus, capable of fast matching a feature of a target video with a feature of an enquiry video without conducting work of providing keywords for video retrieval. As for the target video, both a video which is being broadcasted and a video included in a data base can be dealt with. A retrieval method includes the steps of providing a representative frame image specified by a user with a code or a code string as a name thereof, and registering beforehand code strings of a plurality of representative frame images as enquiry video names; inputting a target video; extracting a representative frame image from the video; calculating one feature or a plurality of features from a whole or a part of the frame image; assigning a corresponding code to the feature or each of the features; providing the frame image with the code or a code string arranged in a predetermined order as a name thereof, and producing a video name for the video in a form of a frame name string corresponding to a string of the frames; and matching the enquiry video names with the video name by using the frame name string and outputting a result.
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申请公布号 |
US5805746(A) |
申请公布日期 |
1998.09.08 |
申请号 |
US19940323866 |
申请日期 |
1994.10.17 |
申请人 |
HITACHI, LTD. |
发明人 |
MIYATAKE, TAKAFUMI;SUMINO, SHIGEO;TANIGUCHI, KATSUMI;NAGASAKA, AKIO;IKEZAWA, MITSURU;UEDA, HIROTADA |
分类号 |
G06F7/00;G06F17/30;G06K9/46;G06K9/54;G11B27/10;G11B27/28;G11B31/00;H04H60/37;H04H60/48;H04H60/59;H04N5/14;(IPC1-7):G06K9/54 |
主分类号 |
G06F7/00 |
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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