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Subject: Re: Out of memory when I am doing 3D FFT
Date: Sun, 11 Jan 2009 19:51:01 +0000 (UTC)
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Hi, 
thanks for help, I belive that perform the 3D convolution by using three separate one dimensional kernel is good choice. As Bruno and Matt suggested, the use of 1D kernel avoid to calculating the FFT of the 3D smooth kernel which reduces the memory cost.