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Steerable Filters from Erlang Functions
1998
Procedings of the British Machine Vision Conference 1998
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Scale and orientation steerable 2D filters are constructed using a frame of Erlang functions in the Fourier domain. Erlang forms for the radial frequency characteristic are shown to provide complex quadrature filters which can be steered in a scale parameter, «. Oriented, spatial domain filters are constructed by imposing an appropriate angular selectivity in the frequency domain. A filter bank is designed, and outputs of the filters of the bank are steered to construct an oriented scale-space
doi:10.5244/c.12.15
dblp:conf/bmvc/Bharath98
fatcat:haiupy5evbfrdazjlygkv6oli4