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Smoothing and Denoising

Savitzky-Golay smoothing, median filtering, detrending

Remove unwanted spikes and trends from a signal using medfilt1 and detrend, respectively. Smooth signals using Savitzky-Golay filters.

Functions

detrendRemove linear trends
filloutliersDetect and replace outliers in data
hampelOutlier removal using Hampel identifier
isoutlierFind outliers in data
medfilt11-D median filtering
movmadMoving median absolute deviation
movmedianMoving median
sgolaySavitzky-Golay filter design
sgolayfiltSavitzky-Golay filtering
smoothdataSmooth noisy data

Topics

Signal Smoothing

Discover important patterns in your data while leaving out noise, outliers, and other irrelevant information.

Eliminate Outliers Using Hampel Identifier

Detect and remove outliers using a simplified implementation of the Hampel algorithm.

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