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. 2023 Feb 22;23(5):2411. doi: 10.3390/s23052411

Table 7.

Description of filters used in the mentioned papers.

Filter and Function Description
IIR The infinite impulse response (IIR) filter is a recursive filter in that the output from the filter is computed by using the current and previous inputs and previous outputs.
CWT Continuous Wavelet Transform (CWT) is a technique for analyzing signals. It uses inner products to measure the similarity between a signal.
Kalman filter It is an algorithm that provides estimates of some unknown variables given the measurements observed over time.
BlockJS This method is based on determining an optimal block size and threshold of a signal. More information can be found in [61].
LevelIndependent This method estimates the variance of the noise based on the finest-scale (highest-resolution) wavelet coefficients [61].
Hampel The Hampel Filter block detects and removes the outliers of the input signal [62].
Haar, sym2 Valid built-in orthogonal wavelet family for denoising. More information can be found in [61].