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-rw-r--r--getFeatureExt.m63
1 files changed, 63 insertions, 0 deletions
diff --git a/getFeatureExt.m b/getFeatureExt.m
new file mode 100644
index 0000000..791a7aa
--- /dev/null
+++ b/getFeatureExt.m
@@ -0,0 +1,63 @@
+function [ minc,maxc ] = getFeatureExt( img )
+ ncnls = 8;
+ secs = 6;
+ cnls = zeros(size(img,1), size(img,2),ncnls);
+ cnls(:,:,1:3) = img;
+ cnls(:,:,4:6) = rgb2ycbcr(img);
+ hsv = rgb2hsv(img);
+ cnls(:,:,7:8) = hsv(:,:,1:2);
+ for i=1:ncnls
+ cnls(:,:,i) = histeq(cnls(:,:,i));
+ end
+ % Schmid
+ scVec=[
+ 1,2;
+ 1,4;
+ 2,4;
+ 1,6;
+ 2,6;
+ 3,6;
+ 1,8;
+ 2,8;
+ 3,8;
+ 1,10;
+ 2,10;
+ 3,10;
+ 4,10];
+ gbVec = [
+ 0.3,0,4,2;
+ 0.3,0,8,2;
+ 0.4,0,4,1;
+ 0.4,0,8,2;
+ 0.3,pi/2,4,2;
+ 0.3,pi/2,8,2;
+ 0.4,pi/2,4,1;
+ 0.4,pi/2,8,2;];
+ gb = length(gbVec);
+ sc = length(scVec);
+ minc = [];
+ maxc = [];
+ for i = 1:sc
+ for cnl = 1:ncnls
+ for sec = 1:secs
+ filt = schmidFilter(scVec(i,1),scVec(i,2));
+ section = getSection(cnls(:,:,cnl),sec,secs);
+ res = imfilter(section, filt, 'symmetric');
+ minc = cat(2,minc,min(min(res)));
+ maxc = cat(2,maxc,max(max(res)));
+ end
+ end
+ end
+ for i = 1:gb
+ for cnl = 1:ncnls
+ for sec = 1:secs
+ filt = gaborFilter(gbVec(i,1),gbVec(i,2),gbVec(i,3),gbVec(i,4));
+ section = getSection(cnls(:,:,cnl),sec,secs);
+ res = imfilter(section, filt, 'symmetric');
+ minc = cat(2,minc,min(min(res)));
+ maxc = cat(2,maxc,max(max(res)));
+ end
+ end
+ end
+end
+