while converting a gray scale image to tif file for edge detection ;it is showing that the dimension of tif file has changed .how can i make a tif file to 2d image

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aravapalli bhavya sri
回答： Nut 2016-5-26
colormap(gray)
I = imread('grayimage.tif');
imshow(I)
in this the size of colormap(gray) showing 2d image while size(I) showing 3d image

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Nut
Nut 2016-5-26
Hi,
try with "rgb2gray":
http://it.mathworks.com/help/matlab/ref/rgb2gray.html
Example for your case:
colormap(gray)
I = imread('grayimage.tif');
I = rgb2gray(I);
imshow(I)

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