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@inproceedings{990923, author = {Lokoč, Jakub and Novák, David and Batko, Michal and Skopal, Tomáš}, address = {Berlin / Heidelberg}, booktitle = {Similarity Search and Applications}, doi = {http://dx.doi.org/10.1007/978-3-642-32153-5_13}, editor = {Navarro, Gonzalo and Pestov, Vladimir}, keywords = {similarity search; CBIR; global visual descriptors; visual signatures; SQFD}, howpublished = {tištěná verze "print"}, language = {eng}, location = {Berlin / Heidelberg}, isbn = {978-3-642-32152-8}, pages = {177-191}, publisher = {Springer}, title = {Visual Image Search: Feature Signatures or/and Global Descriptors}, url = {http://www.springerlink.com/content/g61n208277656084/}, year = {2012} }
TY - JOUR ID - 990923 AU - Lokoč, Jakub - Novák, David - Batko, Michal - Skopal, Tomáš PY - 2012 TI - Visual Image Search: Feature Signatures or/and Global Descriptors PB - Springer CY - Berlin / Heidelberg SN - 9783642321528 KW - similarity search KW - CBIR KW - global visual descriptors KW - visual signatures KW - SQFD UR - http://www.springerlink.com/content/g61n208277656084/ L2 - http://www.springerlink.com/content/g61n208277656084/ N2 - The success of content-based retrieval systems stands or falls with the quality of the utilized similarity model. In the case of having no additional keywords or annotations provided with the multimedia data, the hard task is to guarantee the highest possible retrieval precision using only content-based retrieval techniques. In this paper we push the visual image search a step further by testing effective combination of two orthogonal approaches – the MPEG-7 global visual descriptors and the feature signatures equipped by the Signature Quadratic Form Distance. We investigate various ways of descriptor combinations and evaluate the overall effectiveness of the search on three different image collections. Moreover, we introduce a new image collection, TWIC, designed as a larger realistic image collection providing ground truth. In all the experiments, the combination of descriptors proved its superior performance on all tested collections. Furthermore, we propose a re-ranking variant guaranteeing efficient yet effective image retrieval. ER -
LOKOČ, Jakub, David NOVÁK, Michal BATKO a Tomáš SKOPAL. Visual Image Search: Feature Signatures or/and Global Descriptors. In Navarro, Gonzalo and Pestov, Vladimir. \textit{Similarity Search and Applications}. Berlin / Heidelberg: Springer, 2012, s.~177-191. ISBN~978-3-642-32152-8. Dostupné z: https://dx.doi.org/10.1007/978-3-642-32153-5\_{}13.
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