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can i get the same colored image after applying dct & idct on it.

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tawheed jan
tawheed jan el 13 de Nov. de 2013
In my problem, i have taken a colored image and converted it to double & then converted to grayscale & after that i performed dct &idct on it.Now i want the colored image back.can i get it.If i am wrong plz tell me.

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