comp.lang.idl-pvwave archive: archive » When using FFT to simulate Fresnel diffraction of a image, the background values are changed wrongly too. why? how to keep original values except for edge-enhancemented areas?

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When using FFT to simulate Fresnel diffraction of a image, the background values are changed wrongly too. why? how to keep original values except for edge-enhancemented areas? [message #84057]

Thu, 25 April 2013 18:16

huiqiang.liu.37
Messages: 19
Registered: April 2013

Junior Member

Thanks for replying.

Liu

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