[2] [2] Shao Y F, Zhang L, Wu G W. The visual detection of bullet holes in a target \[C\]. Beijing: 5th International Conference on Signal Processing, 2000.

[3] [3] Sun Q, Li C, Zheng J. Effects of camera lens distortion on particle size and shape characterizations \[J\]. Geotechnical Testing Journal, 2021, 44(4): 929-947.

[11] [11] Li Z, Zhao X. BP artificial neural network based wave front correction for sensor-less free space optics communication \[J\]. Optics Communications, 2017, 385: 219-228.

[12] [12] Lecun Y, Bengio Y, Hinton G. Deep learning \[J\]. Nature, 2015, 521(7553): 436-444.

[13] [13] Samudre P, Shende P, Jaiswal V. Optimizing performance of convolutional neural network using computing technique \[C\]. Pune: 2019 IEEE 5th International Conference for Convergence in Technology, 2019.

[14] [14] Cresson R. A Framework for Remote Sensing Images Processing Using Deep Learning Techniques \[J\]. IEEE Geoscience and Remote Sensing Letters, 2019, 16(1): 25-29.

[15] [15] Pei Y, Huang Y, Zou Q, et al. Effects of image degradation and degradation removal to CNN-based image classification \[J\]. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2019, 43(4): 1239-1253.