Image analysis – Image transformation or preprocessing – Image storage or retrieval
Patent
1994-10-17
1998-09-08
Couso, Jose L.
Image analysis
Image transformation or preprocessing
Image storage or retrieval
382190, 382236, 348642, G06K 954
Patent
active
058057463
ABSTRACT:
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.
REFERENCES:
patent: 4000510 (1976-12-01), Cheney et al.
patent: 4305131 (1981-12-01), Best
patent: 4924303 (1990-05-01), Brandon et al.
patent: 5014125 (1991-05-01), Pocock et al.
patent: 5412773 (1995-05-01), Carlucci et al.
Ikezawa Mitsuru
Miyatake Takafumi
Nagasaka Akio
Sumino Shigeo
Taniguchi Katsumi
Couso Jose L.
Do Anh Hong
Hitachi , Ltd.
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