An Optimization Method for the Layout of Soil Humidity Sensors Based on Compressed Sensing

Table 1

Comparison of different reconstruction algorithms.

Soil type	Reconstruction algorithm	Observed value	Average relative error
Dry soil	OMP	41	3%
	GOMP	41	5%
	CoSaMP	41	6%
Moist soil after irrigation	OMP	39	9%
	GOMP	39	11%
	CoSaMP	39	12%