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LATENT REFERENCES / TAG1

Wiener filter

This reference note belongs to Tag1 in Latent References, an archive curated by Keigo Yoshida. Its archive region is Worldmaking. The note preserves its source text and links so that readers can trace the material behind the 3D map.

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Tag1
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Worldmaking

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English translation of the archived note. JP shows the original text. Source links and literal code are retained; the translation does not update or independently verify the source claims.

https://scrapbox.io/files/69104f38d9f7ff67ac125d76.png https://scrapbox.io/files/69104f4c96c14a4ca10a99e8.png The goal of the Wiener filter is to compute a statistical estimate of an unknown signal using a related signal as an input and filtering it to produce the estimate. For example, the known signal might consist of an unknown signal of interest that has been corrupted by additive noise. The Wiener filter can be used to filter out the noise from the corrupted signal to provide an estimate of the underlying signal of interest. The Wiener filter is based on a statistical approach, and a more statistical account of the theory is given in the minimum mean square error (MMSE) estimator article.

Source updated 2025-11-09 · Snapshot 2026-10-08

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