https://hackerpaper.kaipfister.de/p/1701.09037/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=28666145urn:hackerpapers:mention:1701.09037:28666145Mon, 27 Sep 2021 01:17:41 GMT<p>The article doesn&#x27;t say, but te method described in the article is called a notch filter. Here are some links on it, [0], [1], [2], [4]. Instead of cutting a sharp edge on the frequency domain, it&#x27;s better that the filter blur the edge to avoid introducing too much artifacts, and this is called a Gaussian notch filter. Anyway here is another method, that also targets peak regions on frequency domain for removal but is based on a median filter instead, [5] [0] Removal of Moiré Patterns in Frequency Domain, https://ijournals.in/wp-content/uploads/2017/07/5.3106-Khanj... [1] Periodic Noise…</p><p><a href="https://hackerpaper.kaipfister.de/p/1701.09037/">Paper and discussion history</a>. A mention is not an endorsement.</p>cs.CV