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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F03%3A03091302%21RIV%2F2004%2FMSM%2F212304%2FN
rdf:type
skos:Concept n6:Vysledek
dcterms:description
An image retrieval system based on local affine frames is introduced. The system provides highly discriminative retrieval of rigid objects under a very wide range of viewing and illumination conditions, and is robust to occlusion and background clutter. Distinguished regions of data dependent shape are detected, and local affine frames (coordinate systems) are obtained. Photometrically and geometrically normalised image patches are extracted and used for matching. Local correspondences are formed either by direct comparison of photometrically normalised colour intensities in the normalised patches, or by comparison of DCT (discrete cosine transform) coefficients of the patches. Experimental results are presented on a publicly available database of real outdoor images of buildings. We demonstrate the effect of the number of DCT coefficients that are used for the matching. Using the DCT, excellent results with a retrieval performance of 100% in rank 1 are achieved, and memory usage is re An image retrieval system based on local affine frames is introduced. The system provides highly discriminative retrieval of rigid objects under a very wide range of viewing and illumination conditions, and is robust to occlusion and background clutter. Distinguished regions of data dependent shape are detected, and local affine frames (coordinate systems) are obtained. Photometrically and geometrically normalised image patches are extracted and used for matching. Local correspondences are formed either by direct comparison of photometrically normalised colour intensities in the normalised patches, or by comparison of DCT (discrete cosine transform) coefficients of the patches. Experimental results are presented on a publicly available database of real outdoor images of buildings. We demonstrate the effect of the number of DCT coefficients that are used for the matching. Using the DCT, excellent results with a retrieval performance of 100% in rank 1 are achieved, and memory usage is re
dcterms:title
Image Retrieval Using Local Compact DCT-Based Representation Image Retrieval Using Local Compact DCT-Based Representation
skos:prefLabel
Image Retrieval Using Local Compact DCT-Based Representation Image Retrieval Using Local Compact DCT-Based Representation
skos:notation
RIV/68407700:21230/03:03091302!RIV/2004/MSM/212304/N
n4:strany
490 ; 497
n4:aktivita
n11:P
n4:aktivity
P(LN00B096)
n4:dodaniDat
n7:2004
n4:domaciTvurceVysledku
n9:1711326 n9:2734621
n4:druhVysledku
n8:D
n4:duvernostUdaju
n17:S
n4:entitaPredkladatele
n14:predkladatel
n4:idSjednocenehoVysledku
609793
n4:idVysledku
RIV/68407700:21230/03:03091302
n4:jazykVysledku
n5:eng
n4:klicovaSlova
Not available
n4:klicoveSlovo
n10:Not%20available
n4:kontrolniKodProRIV
[CE1DB788CF52]
n4:mistoKonaniAkce
Magdeburg
n4:mistoVydani
Berlin
n4:nazevZdroje
DAGM 2003: Proceedings of the 25th DAGM Symposium
n4:obor
n16:JD
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:projekt
n19:LN00B096
n4:rokUplatneniVysledku
n7:2003
n4:tvurceVysledku
Obdržálek, Štěpán Matas, Jiří
n4:typAkce
n20:WRD
n4:zahajeniAkce
2003-09-10+02:00
s:numberOfPages
8
n18:hasPublisher
Springer-Verlag
n12:isbn
3-540-40861-4
n15:organizacniJednotka
21230