Video retrieval method and apparatus

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United States of America Patent

PATENT NO 6021231
SERIAL NO

08908072

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
HITACHI MAXELL LTD1-88 USHITORA 1-CHOME IBARAKI-SHI OSAKA 5678567 ?5678567

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikezawa, Mitsuru Kodaira, JP 31 870
Miyatake, Takafumi Hachioji, JP 119 3008
Nagasaka, Akio Kokubunji, JP 101 2422
Sumino, Shigeo Chofu, JP 18 334
Taniguchi, Katsumi Hachioji, JP 77 1028
Ueda, Hirotada Kokubunji, JP 74 2975

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