English: This takes an image (
Image:Barns grand tetons.jpg) and displays the red, green and blue elements extracted from it.
Note that the white snow is composed of strong red, green and blue; the brown barn is composed of strong red and green with little blue; the dark green grass is composed of strong green with little red or blue; and the light blue sky is composed of strong blue and moderately strong red and green.
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
RGBimage = imread('barns_grand_tetons.jpg');
[height,width,depth]=size(RGBimage);
% Newer versions of matlab need outputimage=zeros(height*4,width,depth,'uint8');
outputimage=uint8(zeros(height*4,width,depth));
for w=1:width,
for h=1:height,
outputimage(h,w,1) = RGBimage(h,w,1); %Copy R, G and B for normal image
outputimage(h,w,2) = RGBimage(h,w,2);
outputimage(h,w,3) = RGBimage(h,w,3);
outputimage(h+height,w,1) = RGBimage(h,w,1); %Copy R only for first component
outputimage(h+(2*height),w,2) = RGBimage(h,w,2); %G only for second component
outputimage(h+(3*height),w,3) = RGBimage(h,w,3); %B only for third component
end
end
image(outputimage);
imwrite(outputimage,'rgb_separation.jpg','jpeg');
Original upload log
The original description page was
here. All following user names refer to en.wikipedia.
2006-06-02 12:33
Mike1024 1600×4780×8 (1082316 bytes) ==Summary== This takes an image ([[:Image:Barns grand tetons.jpg|Image:Barns grand tetons.jpg]]) and displays the red, green and blue elements extracted from it. Note that the white snow is comprised of strong red, green and blue; the brown barn is compr
Information
Captions
Add a one-line explanation of what this file represents
{{Information |Description={{en|This takes an image ([[:en::Image:Barns grand tetons.jpg|Image:Barns grand tetons.jpg]]) and displays the red, green and blue elements extracted from it. Note that the white snow is composed of strong red, green and blue;
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):