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A fast learning algorithm for Gabor transformation

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2 Author(s)
Ibrahim, A. ; Dept. of Electr. Eng., Colorado State Univ., Fort Collins, CO, USA ; Azimi-Sadjadi, M.R.

An adaptive learning approach for the computation of the coefficients of the generalized nonorthogonal 2-D Gabor (1946) transform representation is introduced. The algorithm uses a recursive least squares (RLS) type algorithm. The aim is to achieve minimum mean squared error for the reconstructed image from the set of the Gabor coefficients. The proposed RLS learning offers better accuracy and faster convergence behavior when compared with the least mean squares (LMS)-based algorithms. Applications of this scheme in image data reduction are also demonstrated

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Image Processing, IEEE Transactions on  (Volume:5 ,  Issue: 1 )