%GFPLOTFILTERSF Plot 1-D normalized Gabor filters in the frequency domain.%%   GFPLOTFILTERS(F0,GAMMA,N) creates a normalized Gabor%   filters 1..K for parameters (F0(1),GAMMA(1))...(F0(K),GAMMA(K))%   and of size N and plots the filters in the frequency domain.%%   Examples%%   See also GFCREATEFILTERF, GFCHECKFILTER.%% References:%   [1] Kamarainen, J.-K., Kyrki, V., Kalviainen, H., Gabor%       Features for Invariant Object Recognition, Research%       report 79, Department of Information Technology,%       Lappeenranta University of Technology %% Author(s):%    Joni Kamarainen <Joni.Kamarainen@lut.fi>%    Ville Kyrki <Ville.Kyrki@lut.fi>%% Copyright:%%   The Gabor Features in Signal and Image Processing Toolbox is%   Copyright (C) 2000 by Joni Kamarainen and Ville Kyrki.%function []=gfplotfiltersf(f0,gamma,N)% Creating the bankn = -N:1:N;nyqf = 0.5; % Nyquist frequency u = n/N; % frequencies that bank containsfor ind = 1:length(f0)  g = gfcreatefilterf(f0(ind), gamma(ind), N);  plot(g);  hold on;end;hold off;%% plot frequencies in more nicer form%xticks = [];%for i = 0:N/10:N%  xticks = [xticks; sprintf('%5d/%5d\n', i, N)];%end;%set(gca, 'XTickLabel',xticks)   %yticks = [];%for i = 30:20:200%  yticks = [yticks; sprintf('1/%3d\n', i)];%end;%set(gca, 'YTickLabel',yticks)   xlabel('discrete frequency  [u]');ylabel('magnitude');