Research on the Method of Detecting the Spreading Rate of the Simultaneous Crushed Stone Sealing Layer Based on Machine Vision

Table 2

Comparison of proposed method with a single detection method.

Evaluation indicator	Original image	Hard threshold	Soft threshold	Msr	Proposed
PSNR	18.9842	25.6173	28.3617	20.4526	28.3943
MSE	0.0267	0.0047	0.0029	0.0027	0.0020
OH	—	0.6471	0.6716	0.7543	0.7556