Improving fNIRS Signal Quality Using Smoothing Filtering

Aleksandra Kawala-Sterniuk,Dariusz Mikołajewski,Luis A. Leiva,Tuukka Ruotsalo,Adam Lysiak,Barbara Grochowicz, Edward Jacek Gorzeńariczyk,Adrian Luckiewicz,Anna Wieczorek,Mariusz Pelc

2023 Progress in Applied Electrical Engineering (PAEE)（2023）

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摘要

Biomedical signals are extremely difficult to analyze, mainly due to the non-stationary nature of these signals. Filtering does not always bring the desired results, because often the desired information is filtered out. In the case of EEG signals, smoothing filters gave very good results. In this paper, various types of smoothing filters for the analysis of infrared spectroscopy signals were compared.

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关键词

functional near-infrared spectroscopy,preprocessing,filtering,smoothing filtering,brain signals

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