In the video you show a 2D mask to blur diagonal lines. How is that mask applied... | Hacker News

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		brad0 60 days ago \| parent \| context \| favorite \| on: An Interactive Guide to the Fourier Transform In the video you show a 2D mask to blur diagonal lines. How is that mask applied to the DFT? Is the mask also converted to a DFT and the two signals get combined?

seam_carver 60 days ago [–]

Just remove anything under the mask basically, similar to a low pass filter.

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