converting array to image??

2013 7 4
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I have a array say like 64414 23345 .... . can i save the array as image on my desktop and again when i read back in matlab get 64414 23345...(original array)?? if so could u plz let me know how to do
I tried by displaying the array and saving the image displayed but the values in it are changing when i read back..

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Image Analyst
Image Analyst 2013-7-4

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It already is an image. Any 2D array, or 3D for that matter, can be considered as an image. Why do you think your 2D array is not?

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nayana
nayana 2013-7-8
i meant, when i save 2d array in matlab ,as an image onto desktop and again read it back, my values are changing.
I would like to know if i can save the array to an image without the, numbers above some particular value being converted to that particular value...Thanks in advance

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Walter Roberson
Walter Roberson 2013-7-4

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h = image(uint16(YourArray));
fetched = get(h, 'CData');
%now see how much they differ
max(YourArray(:) - fetched(:))

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nayana
nayana
2013-7-4

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