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Reference TypeConference Paper (Conference Proceedings)
Sitesibgrapi.sid.inpe.br
Identifier6qtX3pFwXQZeBBx/GLx7h
Repositorysid.inpe.br/banon/2005/07.15.17.57
Last Update2005:07.15.03.00.00 (UTC) administrator
Metadatasid.inpe.br/banon/2005/07.15.17.57.08
Metadata Last Update2020:02.19.03.19.19 (UTC) administrator
Citation KeyAyresRang:2005:PeAnOr
TitlePerformance analysis of oriented feature detectors
FormatOn-line
Year2005
Access Date2021, Dec. 07
Number of Files1
Size570 KiB
Context area
Author1 Ayres, Fábio José
2 Rangayyan, Rangaraj Mandayam
Affiliation1 Department of Electrical and Computer Engineering, University of Calgary, Calgary, Alberta, Canada
EditorRodrigues, Maria Andréia Formico
Frery, Alejandro César
e-Mail Addressfjayres@ucalgary.ca
Conference NameBrazilian Symposium on Computer Graphics and Image Processing, 18 (SIBGRAPI)
Conference LocationNatal
Date9-12 Oct. 2005
PublisherIEEE Computer Society
Publisher CityLos Alamitos
Book TitleProceedings
Tertiary TypeFull Paper
History (UTC)2005-07-15 17:57:09 :: fabio.ayres -> banon ::
2005-07-18 14:41:14 :: banon -> fabio.ayres ::
2008-07-17 14:11:01 :: fabio.ayres -> banon ::
2008-08-26 15:17:03 :: banon -> administrator ::
2009-08-13 20:37:55 :: administrator -> banon ::
2010-08-28 20:01:19 :: banon -> administrator ::
2020-02-19 03:19:19 :: administrator -> :: 2005
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Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
KeywordsOriented filters
Gabor filters
steerable filters
line detector
AbstractOriented feature detectors are fundamental tools in image understanding, as many images display relevant information in the form of oriented features. Several oriented feature detectors have been developed; some of the important families of oriented feature detectors are steerable filters and Gabor filters. In this work, a performance analysis is presented of the following oriented feature detectors: the Gaussian second-derivative steerable filter, the quadrature-pair Gaussian second-derivative steerable filter, the real Gabor filter, the complex Gabor filter, and a line operator that has been shown to outperform the Gaussian second-derivative steerable filter in the detection of linear structures in mammograms. The detectors are assessed in terms of their capability to detect the presence of oriented features, as well as their accuracy in the estimation of the angle of the oriented features present in the image. It is shown that the Gabor filters yield the best detection performance and angular accuracy, whereas the steerable filters have the best performance in terms of computational speed.
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data URLhttp://urlib.net/ibi/6qtX3pFwXQZeBBx/GLx7h
zipped data URLhttp://urlib.net/zip/6qtX3pFwXQZeBBx/GLx7h
Languageen
Target Fileayresf_oriented.pdf
User Groupfabio.ayres
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Host Collectionsid.inpe.br/banon/2001/03.30.15.38
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