2022
DOI: 10.11591/ijece.v12i2.pp1530-1539
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A nonlinearities inverse distance weighting spatial interpolation approach applied to the surface electromyography signal

Abstract: Spatial interpolation of a surface electromyography (sEMG) signal from a set of signals recorded from a multi-electrode array is a challenge in biomedical signal processing. Consequently, it could be useful to increase the electrodes' density in detecting the skeletal muscles' motor units under detection's vacancy. This paper used two types of spatial interpolation methods for estimation: Inverse distance weighted (IDW) and Kriging. Furthermore, a new technique is proposed using a modified nonlinearity formula… Show more

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“…Inverse distance weighting (IDW) and Kriging interpolation are examples of widely used spatial interpolation methods. In some cases, the performance of the Kriging technique outperforms that of the IDW [21]- [23], so we will use Kriging interpolation in this research for evaluation. For each region, the test was applied in several scenarios: daily, monthly, three-month period, and six-month period.…”
Section: Methodsmentioning
confidence: 99%
“…Inverse distance weighting (IDW) and Kriging interpolation are examples of widely used spatial interpolation methods. In some cases, the performance of the Kriging technique outperforms that of the IDW [21]- [23], so we will use Kriging interpolation in this research for evaluation. For each region, the test was applied in several scenarios: daily, monthly, three-month period, and six-month period.…”
Section: Methodsmentioning
confidence: 99%