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function output=fun_transform_data_rgbfeatures(img_data,param) |
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output.transformed_image=[]; |
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output.mnsv=[]; |
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output.maxsv=[]; |
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output.ipvsz=[]; |
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image_size=param.image_size; |
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img_x_dim=image_size(1); |
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img_y_dim=image_size(1); |
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compute_decimal_place=param.compute_decimal_place; |
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feature_RGB=param.feature_RGB; |
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[nmb_of_colors,~]=size(feature_RGB); |
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[data_size,~]=size(img_data); |
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reshaped_images=zeros(data_size,img_x_dim,img_y_dim,3); |
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for m=1:data_size |
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aa=double(img_data(m,:)); |
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reshaped_images(m,:,:,:)=reshape(aa,img_x_dim,img_y_dim,3); |
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end |
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if param.dwnsz_on==1 |
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x_trim=param.x_trim; |
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y_trim=param.y_trim; |
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downsizing=param.downsizing; |
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x_dwnsz_dim=fix(img_x_dim/downsizing); |
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y_dwnsz_dim=fix(img_y_dim/downsizing); |
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ipvsz=(x_dwnsz_dim-2*x_trim)*(y_dwnsz_dim-2*y_trim); |
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xsq=1:downsizing; |
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ysq=1:downsizing; |
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output.transformed_image=zeros(ipvsz,data_size,nmb_of_colors); |
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output.mnsv=zeros(data_size,nmb_of_colors); |
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output.maxsv=zeros(data_size,nmb_of_colors); |
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output.ipvsz=ipvsz; |
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temp_img=zeros(ipvsz,3); |
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for m=1:data_size |
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img=squeeze(reshaped_images(m,:,:,:)); |
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for color=1:3 |
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img1=squeeze(img(:,:,color)); |
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aa=zeros(ipvsz,1); |
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for ii=(1+x_trim):(x_dwnsz_dim-x_trim) |
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for jj=(1+y_trim):(y_dwnsz_dim-y_trim) |
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aa((jj-y_trim)+((ii-x_trim)-1)*(y_dwnsz_dim-2*y_trim),1)=mean(img1(xsq+2*(ii-1),ysq+2*(jj-1)),'all'); |
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end |
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end |
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temp_img(:,color)=aa; |
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end |
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for color=1:nmb_of_colors |
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c1=feature_RGB(color,1); |
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c2=feature_RGB(color,2); |
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c3=feature_RGB(color,3); |
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aa=c1*temp_img(:,1)+c2*temp_img(:,2)+c3*temp_img(:,3); |
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mnsv=mean(aa); |
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aa=aa-mnsv; |
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maxsv=max(abs(aa)); |
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output.transformed_image(:,m,color)=round(aa/maxsv*10^compute_decimal_place)*10^(-compute_decimal_place); |
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output.mnsv(m,color)=mnsv; |
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output.maxsv(m,color)=maxsv; |
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end |
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end |
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else |
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temp_img=zeros(img_x_dim*img_y_dim,3); |
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ipvsz=img_x_dim*img_y_dim; |
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output.ipvsz=ipvsz; |
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for m=1:data_size |
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img=squeeze(reshaped_images(m,:,:,:)); |
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for color=1:3 |
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aa=img(:,:,color); |
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aa=aa(:); |
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temp_img(:,color)=aa; |
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end |
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for color=1:nmb_of_colors |
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c1=feature_RGB(color,1); |
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c2=feature_RGB(color,2); |
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c3=feature_RGB(color,3); |
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aa=c1*temp_img(:,1)+c2*temp_img(:,2)+c3*temp_img(:,3); |
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mnsv=mean(aa); |
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aa=aa-mnsv; |
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maxsv=max(abs(aa)); |
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output.transformed_image(:,m,color)=round(aa/maxsv*10^compute_decimal_place)*10^(-compute_decimal_place); |
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output.mnsv(m,color)=mnsv; |
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output.maxsv(m,color)=maxsv; |
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end |
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end |
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end |
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if data_size==1 |
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output.transformed_image=squeeze(output.transformed_image); |
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end |
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end |
