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|Title:||A fast implementation of the discrete 2-D Gabor transform||Authors:||Srinivasan, V.
|Issue Date:||Mar-1993||Citation:||Srinivasan, V.,Bhatia, P.,Ong, S.H. (1993-03). A fast implementation of the discrete 2-D Gabor transform. Signal Processing 31 (2) : 229-233. ScholarBank@NUS Repository.||Abstract:||An FFT-based gradient descent method for computing the non-orthogonal Gabor transform of a two-dimensional discrete signal I[x,y] is described. When operating on images consisting of P × Q pixels divided into sub-images with M × N pixels, the estimated gain in computational speed over a neural network method proposed by Daugman is by a factor of kMN, where k = 10/[3 log2(4MN) +4]. © 1993.||Source Title:||Signal Processing||URI:||http://scholarbank.nus.edu.sg/handle/10635/80272||ISSN:||01651684|
|Appears in Collections:||Staff Publications|
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