FFT結果の重心を求める

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Keito Endo on 4 Oct 2021

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Commented: Hernia Baby on 4 Oct 2021

Accepted Answer: Hernia Baby

画像はある音ファイルをFFTしてｙ＝0~1に正規化したものです。

この結果の重心を求めたいです。(できればx,y値両方)

解決策お願いします。

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Hernia Baby on 4 Oct 2021

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spectralcentroidはいかがですか？

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Hernia Baby on 4 Oct 2021

結果から重心求める場合は定義から

gx = sum(x.*y)/sum(y)

ですかね

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