ͨ¹ýÑ»·µÃµ½ÁË20·ùͼreal£¨gabout)
for i = 1:4
for j = 1:5
[G,gabout] = gaborfilter(I,Sx,Sy,f(i),theta(j)) ;
subplot(4,5,(i-1)*5+j);
imshow(real(gabout),[]);
end
end
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