over / under flow of image

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Aseel H
Aseel H il 15 Feb 2013
I use Integer Wavelet Transform in some my projects using the function: lwt2(), but I have a question: if in my code some processes that may be make over/ under flow in values of coefficients, do this problem solved automatically in inverse of Integer Wavelet Transform using the function: ilwt2 () or not solved???

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Walter Roberson
Walter Roberson il 15 Feb 2013
If you are using integer data types, then No, the inverse routines will not fix the overflow. If you are using double precision data type, then the inverse routines might be okay with the overflow, but you should not count on it.

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