drow a image only by a matrix

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Fatima prv 2012-7-9

If I have a image's matrix( for example a matrix 300*400) , how do I drow this matrix as a image? Also depends on the type of photo?

Thomas 2012-7-9

Maybe imshow will help

eg:

 c=rand(300,400);    % generate random matrix data
 imshow(c)

Ryan 2012-7-9

编辑：Ryan 2012-7-9

What is the result of unique(image_matrix)? Does imshow(image_matrix,[]) work?

Fatima prv 2012-7-9

no , this command show all of number that used in image matrix as a vector.

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