Intel® oneAPI Math Kernel Library
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Problem with scale factor in 2d fft

flexwang
Beginner
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I am using mkl to do a 2d image fft. First, I used mkl to compute forward the 2d fft of the initial image and I computed backward. I think it should get a image where every pixel gray scale is scaled by the factor (imagewidth*imageheight). However, only the right half of the image is scaled, and the other half is just the original image. How did that happen!

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VipinKumar_E_Intel
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Can you attach a testcase that reproduced this?

--Vipin

 

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