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DFT of an Image Help !

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Michael Jernigan
Michael Jernigan 2019 年 4 月 4 日
How do I perform the following steps in MATLAB:
- Covert Image to Gray
- Resize image to 1024 by 1024
- Find the DFT of image
- Plot phase angle of the transform
- Plot spectrum of the transform
- Reconstruct original image using only phase information
i.e. set F(u,v)=1 and then find the IDFT
- Reconstruct original image using only spectrum information
i.e. set the exponential term to 1 (or theta=0)

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