Local energy-based shape histogram: Difference between revisions

Revision as of 17:17, 19 February 2009

Revision as of 17:07, 18 March 2009

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'''LESH (Local Energy based Shape Histogram)''' is a recently proposed [[image descriptor]] in [[computer vision]]. It can be used to get a description of the underlying shape. The LESH feature descriptor is built on local energy model of feature perception, see e.g. [[phase congruency]] for more details. It encodes the underlying shape by accumulating local energy of the underlying signal along several filter orientations, several local [[histograms]] from different parts of the image/patch are generated and concatenated together into a 128-dimensional compact spatial histogram. It is designed to be [[scale invariant]]. The LESH features can be used in applications like shape-based image retrieval, object detection, pose estimation etc.

'''LESH''' (hindu name) meaning shine, sparkle, glow, shimmer.

== See also ==

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*[http://www.cv.tu-berlin.de/publications/ Sarfraz, S., Hellwich, O.:"Head Pose Estimation in Face Recognition across Pose Scenarios", Proceedings of VISAPP 2008, Int. conference on Computer Vision Theory and Applications, Madeira, Portugal, pp. 235-242, January 2008 (Best Student Paper Award).]

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[[Category:Computer vision]]