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Title: A fast quadtree normalization algorithm
Authors: Ang, C.-H. 
Samet, H.
Keywords: image processing
Quadtree normalization
region representation
Issue Date: Jan-1994
Citation: Ang, C.-H.,Samet, H. (1994-01). A fast quadtree normalization algorithm. Pattern Recognition Letters 15 (1) : 57-63. ScholarBank@NUS Repository.
Abstract: A region quadtree representation of an image can be normalized thereby yielding a quadtree that contains the least number of nodes in O (s2 log2 s) time where s is the length of the grid. A new algorithm is proposed whose asymptotic time bound is the same but whose first part only takes O (s2). It is shown empirically to be able to produce the normalized quadtrees for a number of images in real applications. © 1994.
Source Title: Pattern Recognition Letters
ISSN: 01678655
Appears in Collections:Staff Publications

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