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MARSplines-Based Soil Moisture Sensor Calibration

Sijia LI, Long WANG, Zhongju WANG

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Summary :

Soil moisture sensor calibration based on the Multivariate Adaptive Regression Splines (MARSplines) model is studied in this paper. Different from the generic polynomial fitting methods, the MARSplines model is a non-parametric model, and it is able to model the complex relationship between the actual and measured soil moisture. Rao-1 algorithm is employed to tune the hyper-parameters of the calibration model and thus the performance of the proposed method is further improved. Data collected from four commercial soil moisture sensors is utilized to verify the effectiveness of the proposed method. To assess the calibration performance, the proposed model is compared with the model without using the temperature information. The numeric studies prove that it is promising to apply the proposed model for real applications.

Publication
IEICE TRANSACTIONS on Information Vol.E106-D No.3 pp.419-422
Publication Date
2023/03/01
Publicized
2022/12/07
Online ISSN
1745-1361
DOI
10.1587/transinf.2022EDL8044
Type of Manuscript
LETTER
Category
Artificial Intelligence, Data Mining

Authors

Sijia LI
  Beijing Information Technology College
Long WANG
  University of Science and Technology Beijing
Zhongju WANG
  University of Science and Technology Beijing

Keyword