Presentation 2005-06-16
Fast image retrieval based on saliency-weighted interest point matching
Akisato KIMURA, Takahito KAWANISHI, Kazuhiro OHTSUKA, Kunio KASHINO,
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Abstract(in English) We present a new method for content-based image retrieval (CBIR). Region-based approach would be effective to tackle with various kinds of fluctuation such as scale, viewpoint, and foreground-background changes. Many algorithms to extract interest points or regions have been proposed for removing such fluctuations. In this report, we propose a new concept of CBIR. The proposed method utilizes saliency for weighting, not for extracting interest regions. That is, interest points are weighted by neighboring saliency. Saliency-weighted sililarity measure is used for feature matching. One of the problems in the proposed framework is that applying weighted similarity to existing indexing methods is difficult. We also propose a new indexing method called two-stage index search. The first stage is based on saliency and the second one is based on (non-weighted) similarity. Two-stage index search enables us to quickly detect all point features such that saliency-weighted similariry value exceeds a predefined threshold.
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Keyword(in English) content-based image retrieval / interest points / saliency / weighted silimarity / two-stage index search
Paper # DE2005-2,PRMU2005-23
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Conference Information
Committee PRMU
Conference Date 2005/6/9(1days)
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Registration To Pattern Recognition and Media Understanding (PRMU)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Fast image retrieval based on saliency-weighted interest point matching
Sub Title (in English)
Keyword(1) content-based image retrieval
Keyword(2) interest points
Keyword(3) saliency
Keyword(4) weighted silimarity
Keyword(5) two-stage index search
1st Author's Name Akisato KIMURA
1st Author's Affiliation NTT Communication Science Laboratories, NTT Corporation()
2nd Author's Name Takahito KAWANISHI
2nd Author's Affiliation Plala Networks Inc.
3rd Author's Name Kazuhiro OHTSUKA
3rd Author's Affiliation NTT Communication Science Laboratories, NTT Corporation
4th Author's Name Kunio KASHINO
4th Author's Affiliation NTT Communication Science Laboratories, NTT Corporation
Date 2005-06-16
Paper # DE2005-2,PRMU2005-23
Volume (vol) vol.105
Number (no) 118
Page pp.pp.-
#Pages 6
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