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A string matching approach for visual retrieval and classification
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International Multimedia Conference archive
Proceeding of the 1st ACM international conference on Multimedia information retrieval table of contents
Vancouver, British Columbia, Canada
SESSION: Image retrieval 1 table of contents
Pages 52-58  
Year of Publication: 2008
ISBN:978-1-60558-312-9
Authors
Mei-Chen Yeh  University of California, Santa Barbara, Santa Barbara, CA, USA
Kwang-Ting Cheng  University of California, Santa Barbara, Santa Barbara, CA, USA
Sponsors
SIGMULTIMEDIA: ACM Special Interest Group on Multimedia
ACM: Association for Computing Machinery
Publisher
ACM  New York, NY, USA
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ABSTRACT

We present an approach to measuring similarities between visual data based on approximate string matching. In this approach, an image is represented by an ordered list of feature descriptors. We show the extraction of local features sequences from two types of 2-D signals - scene and shape images. The similarity of these two images is then measured by 1) solving a correspondence problem between two ordered sets of features and 2) calculating similarities between matched features and dissimilarities between unmatched features. Our experimental study shows that such a globally ordered and locally unordered representation is more discriminative than a bag-of-features representation and the similarity measure based on string matching is effective. We illustrate the application of the proposed approach to scene classification and shape retrieval, and demonstrate superior performance to existing solutions.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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Collaborative Colleagues:
Mei-Chen Yeh: colleagues
Kwang-Ting Cheng: colleagues