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Authors: Priyadarshi Bhattacharya and Marina L. Gavrilova

Affiliation: University of Calgary, Canada

Keyword(s): Recognition, Part-based Match, Dense Sampling, Interest Regions.

Abstract: One of the most popular approaches for object recognition is bag-of-words which represents an image as a histogram of the frequency of occurrence of visual words. But it has some disadvantages. Besides requiring computationally expensive geometric verification to compensate for the lack of spatial information in the representation, it is particularly unsuitable for sub-image retrieval problems because any noise, background clutter or other objects in vicinity influence the histogram representation. In our previous work, we addressed this issue by developing a novel part-based image matching framework that utilizes spatial layout of dense features within interest regions to vastly improve recognition rates for landmarks. In this paper, we improve upon the previously published recognition results by more than 12% and achieve significant reductions in computation time. A region of interest (ROI) selection strategy is proposed along with a new voting mechanism for ROIs. Also, inverse doc ument frequency weighting is introduced in our image matching framework for both ROIs and dense features inside the ROIs. We provide experimental results for various vocabulary sizes on the benchmark Oxford 5K and INRIA Holidays datasets. (More)

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Paper citation in several formats:
Bhattacharya, P. and Gavrilova, M. (2014). Combining Dense Features with Interest Regions for Efficient Part-based Image Matching. In Proceedings of the 9th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2014) - Volume 1: VISAPP; ISBN 978-989-758-004-8; ISSN 2184-4321, SciTePress, pages 68-75. DOI: 10.5220/0004684000680075

@conference{visapp14,
author={Priyadarshi Bhattacharya. and Marina L. Gavrilova.},
title={Combining Dense Features with Interest Regions for Efficient Part-based Image Matching},
booktitle={Proceedings of the 9th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2014) - Volume 1: VISAPP},
year={2014},
pages={68-75},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004684000680075},
isbn={978-989-758-004-8},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 9th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2014) - Volume 1: VISAPP
TI - Combining Dense Features with Interest Regions for Efficient Part-based Image Matching
SN - 978-989-758-004-8
IS - 2184-4321
AU - Bhattacharya, P.
AU - Gavrilova, M.
PY - 2014
SP - 68
EP - 75
DO - 10.5220/0004684000680075
PB - SciTePress

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