Commenced in January 2007
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Building Gabor Filters from Retinal Responses

Authors: Christian Mayr, René Schüffny, Johannes Partzsch

Abstract:

Starting from a biologically inspired framework, Gabor filters were built up from retinal filters via LMSE algorithms. Asubset of retinal filter kernels was chosen to form a particular Gabor filter by using a weighted sum. One-dimensional optimization approaches were shown to be inappropriate for the problem. All model parameters were fixed with biological or image processing constraints. Detailed analysis of the optimization procedure led to the introduction of a minimization constraint. Finally, quantization of weighting factors was investigated. This resulted in an optimized cascaded structure of a Gabor filter bank implementation with lower computational cost.

Keywords: Image Processing, Optimization, Gabor filter

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1074627

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References:


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