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A comment on Image Scrubber: tool for anonymizing photographs taken at protests. Parent comment

Re:Image Scrubber: tool for anonymizing photographs taken at... by radarsat1 on Sunday May 31, 2020 @02:53PM (#23371670)
> The high frequency information is gone

diminished in power.

It's only gone if it goes below the quantization threshold. Depends on the filter.

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Re:Image Scrubber: tool for anonymizing photographs taken at... by okamiueru on Monday June 01, 2020 @11:56AM (#23379888)
True. I think the reasonable assumption would be a low-pass filter that removes high frequencies altogether. A gaussian filter wouldn't be a particularly good idea.
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