Table 2.

Accuracy results of the posture estimation models on PmatData [19] for the HOG features of the whole body (WHOG) and sacrum area only (SHOG).

WHOG
	SVM	KNN	RF	SSRM [31]
Supine	99.98%	99.99%	99.93%	99.90
Right lateral	99.99%	100%	99.98%	98.48
Left lateral	99.99%	99.99%	99.95%	99.57
SHOG
	SVM	KNN	RF	SSRM [31]
Supine	99.95%	98.31%	99.91%	99.90
Right lateral	100%	98.21%	99.95%	98.48
Left lateral	99.95%	99.88%	99.95%	99.57