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image processing - Is 2D circular cross-correlation with FFT done as described in this source? - Signal Processing Stack Exchange
![image processing - Is 2D circular cross-correlation with FFT done as described in this source? - Signal Processing Stack Exchange image processing - Is 2D circular cross-correlation with FFT done as described in this source? - Signal Processing Stack Exchange](https://i.stack.imgur.com/hdcYy.png)
image processing - Is 2D circular cross-correlation with FFT done as described in this source? - Signal Processing Stack Exchange
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