An Intelligent Vision-Based Method of Worker Identification for Industrial Internet of Things (IoT)

Table 8

Values of helmet identification accuracy.

Classes	Head sample
	Y	R	B	W	N	Accuracy (%)
RN	×	267	×	×	85	100
YN	110	×	×	×	85	100
BN	×	×	92	×	84	98.32
WN	×	×	×	105	85	98.96
RY	109	266	×	×	×	99.47
RW	×	267	×	107	×	100
RB	×	267	94	×	×	100
YB	110	×	94	×	×	100
YW	110	×	×	107	×	100
BW	×	×	94	107	×	100
YRN	110	265	×	×	84	99.35
YBN	110	×	93	×	84	99.31
YWN	109	×	×	105	84	98.68
BWN	×	×	92	106	84	98.60
BRN	×	266	92	×	85	99.33
RWN	×	267	×	106	84	99.56
YRB	109	267	93	×	×	99.58
YBW	110	×	93	106	×	99.36
RBW	×	267	94	107	×	100
YRW	110	267	×	107	×	100
YRBN	110	266	93	×	85	99.64
YRWB	108	267	93	107	×	99.48
YBWN	109	×	91	106	84	98.48
RWYN	110	267	×	105	84	99.47
RBWN	×	266	91	106	83	98.73
YRBWN	108	265	90	106	84	98.49