--- a
+++ b/Image features calculation code/Not Working/shape.m
@@ -0,0 +1,77 @@
+tic
+files = dir('segmented_nodules/*.dcm');
+count = 0;
+fid = fopen ('nodules_features.txt', 'wt');
+fid2 = fopen ('nodules_many_regions.txt', 'wt');
+fprintf(fid,'%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s \n','ImageName','Area','ConvexArea','Circularity','Perimeter','ConvexPerimeter','Roughness','EquivDiameter','MajorAxisLength','MinorAxisLength','Elongation','Compactness','Eccentricity','Solidity','Extent','RadialDistanceSD','MinIntensity','MaxIntensity','MeanIntensity','SDIntensity','MinIntensityBG','MaxIntensityBG','MeanIntensityBG','SDIntensityBG','IntesityDifference');
+fprintf(fid2,'%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s \n','ImageName','Area','ConvexArea','Circularity','Perimeter','ConvexPerimeter','Roughness','EquivDiameter','MajorAxisLength','MinorAxisLength','Elongation','Compactness','Eccentricity','Solidity','Extent','RadialDistanceSD','MinIntensity','MaxIntensity','MeanIntensity','SDIntensity','MinIntensityBG','MaxIntensityBG','MeanIntensityBG','SDIntensityBG','IntesityDifference');
+for i = 1:size(files,1)
+    fn = sprintf('%s/%s', 'segmented_nodules', char(files(i).name));
+    fn2 = sprintf('%s/%s', 'segmented_background', char(files(i).name));
+    info = dicominfo(fn);
+    info4 = dicominfo(fn2);
+    I = dicomread(info);
+    I4 = dicomread(info4);
+    BW = (I~=-2000);
+    L = bwlabel(BW);
+    a = L;
+    flag = 0;
+    if (nanmax(a(:)) > 1)
+        flag = 1;
+    end
+    a(a~=0 & a~=1) = 0;
+    STATS = regionprops (a,'Area', 'Extent', 'Perimeter', 'Centroid', 'ConvexArea', 'ConvexImage', 'Solidity', 'Eccentricity', 'MajorAxisLength', 'EquivDiameter', 'MinorAxisLength');
+    STATS.ConvexPerimeter = 2 * (sqrt(pi*STATS.ConvexArea));
+    STATS.Circularity = (4*pi*STATS.Area)/(STATS.ConvexPerimeter .^ 2);
+    STATS.Elongation = STATS.MajorAxisLength/STATS.MinorAxisLength;
+    b = double(I);
+    b(b==-2000) = NaN;
+    b4 = double(I4);
+    b4(b4==-2000) = NaN;
+    STATS.MinIntensity = nanmin(b(:));
+    STATS.MaxIntensity = nanmax(b(:));
+    STATS.MeanIntensity = nanmean(b(:));
+    STATS.SDIntensity = nanstd(b(:));
+    STATS.MinIntensityBG = nanmin(b4(:));
+    STATS.MaxIntensityBG = nanmax(b4(:));
+    STATS.SDIntensityBG = nanstd(b4(:));    
+    STATS.MeanIntensityBG = nanmean(b4(:));
+    STATS.IntensityDifference = abs(STATS.MeanIntensity - STATS.MeanIntensityBG);
+    fprintf(files(i).name,',',STATS(1).Area,',', STATS(1).Extent,',', STATS(1).Perimeter,'\n');
+    count = count+1
+    fn2 = sprintf('%s/%s', 'contours', char(files(i).name));
+    info2 = dicominfo(fn2);
+    I2 = dicomread(info2);
+    d = NaN;
+    j = 0;
+    for r = 1:size(I2,1)
+        for c = 1:size(I2,2)
+            if (I2(r,c) == 1)
+                j = j + 1;
+                d(j) = sqrt(double((c-(STATS.Centroid(1)^2))+(r-(STATS.Centroid(2)^2))));
+            end
+        end
+    end
+    STATS.RadialDistanceSD = nanstd(d(:));
+    STATS.Perimeter = j;
+    I3 = bwperim(STATS.ConvexImage);
+    j = 0;
+    for r = 1:size(I3,1)
+        for c = 1:size(I3,2)
+            if (I3(r,c) == 1)
+                j = j + 1;
+            end
+        end
+    end
+    STATS.ConvexPerimeter = j;
+    STATS.Roughness = STATS.ConvexPerimeter/STATS.Perimeter;
+    STATS.Compactness = STATS.Perimeter^2/(4*pi*STATS.Area);
+    if (flag == 0)
+        fprintf(fid,'%s,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f \n',files(i).name,STATS.Area,STATS.ConvexArea,STATS.Circularity,STATS.Perimeter,STATS.ConvexPerimeter,STATS.Roughness,STATS.EquivDiameter,STATS.MajorAxisLength,STATS.MinorAxisLength,STATS.Elongation,STATS.Compactness,STATS.Eccentricity,STATS.Solidity,STATS.Extent,STATS.RadialDistanceSD,STATS.MinIntensity,STATS.MaxIntensity,STATS.MeanIntensity,STATS.SDIntensity,STATS.MinIntensityBG,STATS.MaxIntensityBG,STATS.MeanIntensityBG,STATS.SDIntensityBG,STATS.IntensityDifference);
+    else
+        fprintf(fid2,'%s,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f \n',files(i).name,STATS.Area,STATS.ConvexArea,STATS.Circularity,STATS.Perimeter,STATS.ConvexPerimeter,STATS.Roughness,STATS.EquivDiameter,STATS.MajorAxisLength,STATS.MinorAxisLength,STATS.Elongation,STATS.Compactness,STATS.Eccentricity,STATS.Solidity,STATS.Extent,STATS.RadialDistanceSD,STATS.MinIntensity,STATS.MaxIntensity,STATS.MeanIntensity,STATS.SDIntensity,STATS.MinIntensityBG,STATS.MaxIntensityBG,STATS.MeanIntensityBG,STATS.SDIntensityBG,STATS.IntensityDifference);
+    end
+end
+fclose(fid);
+fclose(fid2);
+toc
\ No newline at end of file