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Line 1: '''Pyramids''' or ''''pyramid representation'''' is a type of [[Scale model\|multi-scale]] [[Signal (information theory)\|signal]] [[Knowledge representation\|representation]] developed by the [[computer vision]], [[image processing]] and [[signal processing]] communities in which a signal or an image is subject to repeated smoothing and subsampling. ~~Conceptually~~Historically, pyramid representation is a predecessor to [[scale-space\|scale-space representation]] and [[multiresolution analysis]]. ==References== * Burt, Peter and Adelson, Ted, "The Laplacian Pyramid as a Compact Image Code", IEEE Trans. Communications, 9:4, 532–540, 1983. [http://www-prima.inrialpes.fr/Prima/Homepages/jlc/papers/Crowley-Sanderson-PAMI87.pdf Crowley, J. L. and Sanderson, A. C. "Multiple resolution representation and probabilistic matching of 2-D gray-scale shape", IEEE Transactions on Pattern Analysis and Machine Intelligence, 9(1), pp 113-121, 1987.] [http://www-prima.inrialpes.fr/Prima/Homepages/jlc/papers/Crowley-ScaleSpace03.pdf Crowley, J, Riff O: Fast computation of scale normalised Gaussian receptive fields, Proc. Scale-Space'03, Isle of Skye, Scotland, Springer Lecture Notes in Computer Science, volume 2695, 2003.] [http://www.nada.kth.se/~tony/abstracts/Lin90-PAMI.html Lindeberg, T., "Scale-space for discrete signals," PAMI(12), No. 3, March 1990, pp. 234-254.] [http://www.nada.kth.se/~tony/book.html Lindeberg, Tony, Scale-Space Theory in Computer Vision, Kluwer Academic Publishers, 1994], ISBN 0-7923-9418-6 [http://www.nada.kth.se/cvap/abstracts/cvap279.html Lindeberg, T. and Bretzner, L.: Real-time scale selection in hybrid multi-scale representations, Proc. Scale-Space'03, Isle of Skye, Scotland, Springer Lecture Notes in Computer Science, volume 2695, pages 148-163, 2003.] [http://citeseer.ist.psu.edu/lowe04distinctive.html Lowe, D. G., “Distinctive image features from scale-invariant keypoints”, International Journal of Computer Vision, 60, 2, pp. 91-110, 2004.] ==See also== [[scale-space]] [[scale-space implementation] [[multiresolution analysis]] [[Category:Image processing]] [[Category:Computer vision]]

Pyramid (image processing): Difference between revisions