Table 1. Experimental software and hardware environment configuration.
| Hardware environment | 
| CPU: Intel(R) Xeon(R)Gold 5118 | 
| GPU: Tesla P100-PCIE-16GB | 
| Software environment | 
| Operating system: Ubuntu 20.04.4 LTS | 
| Deep learning framework: Tensorflow 1.15.0 | 
| Development language: Python | 
| Dependencies: Opencv, Numpy, etc. | 
CPU, central processing unit; GPU, graphics processing unit.