"Al-Nuaimy, W., Huang, Y., Nakhkash, M., Fang, M. T. C., Nguyen, V. T. and Eriksen, A. (2000). “Automatic detection of buried utilities and solid objects with GPR using neural networks and pattern recognition.” Journal of Applied Geophysics, Vol. 43, pp. 157-165, https://doi.org/10.1016/S0926-9851(99)00055-5."

"Annan, A. (1999). “Practical processing of GPR data.” Mississauga, ON, Canada, Sensors & Software."

"Bailia, J., Lahouara, S., Herglia, M., Al-Qadi, I. L. and Besbes, K. (2009). “GPR signal denoising by discrete wavelet transform.” NDT & E International, Vol. 42, No. 8, pp. 696-703."

"Benedetto, A., Tosti, F., Ciampoli, L. and D’Amico, F. (2017). “An overview of ground-penetrating radar signal processing techniques for road inspections.” Signal Process, pp. 201-209."

"Gamba, P. (2000). “Neural detection of pipe signatures in ground penetrating radar images.” IEEE Trans Geosci Remote Sens, pp. 790-797."

"Howard, A. G., Zhu, M., Chen, B., Kalenichenko, D., Wang W., Weyand, T., Andreetto, M. and Adam, H. (2017). “MobileNets : Efficient convolutional neural networks for mobile vision applications.” arXiv preprint, https://arXiv.org/abs/1704.04861v1."

"Howard, A., Sandler, M., Chu, G., Chen, L.-C., Chen, B., Tan, M., Wang, W., Zhu, Y., Pang, R., Vasudevan, V., Le, Q. V. and Adam, H. (2019). “Searching for MobileNetV3.” arXiv preprint, https://arXiv.org/abs/1905.02244v5."

"Kang, M. S., Kim, N., Lee, J. J. and An, Y. K. (2019). “Deep learning-based automated underground cavity detection using three-dimensional ground penetrating radar.” Structural Health Monitoring, Vol. 19, No. 1, pp. 173-185, https://doi.org/10.1177/1475921719838081."

"Kingma, D. P. and Ba, J. (2014). “ADAM: A method for stochastic optimization.” Proceedings of 3rd International Conference for Learning Representations, San Diego, USA, 2015, arXiv preprint, https://arxiv.org/abs/1412.6980."

"Kurbiel, T. and Khaleghian, S. (2017).“Training of deep neural networks based on distance measures using RMSProp.” arXiv preprint, https://arxiv.org/abs/1708.01911."

"Qin, Y. and Huang, C. (2016). “Identifying underground voids using a GPR circular-end bow-tie antenna system based on a support vector machine.” International Journal of Remote Sensing, pp. 876-888, https://doi.org/10.1080/01431161.2015.1137990."

"Srivastava, N., Hinton, G., Krizhevsky, A., Sutskever, I. and Salakhutdinov, R. (2014). “Dropout : A simple way to prevent neural networks from overfitting.” Journal of Machine Learning Research, Vol. 15, pp. 1929-1958."

"Tzanis, A. (2013). “Detection and extraction of orientation-and- scale-dependent information from two-dimensional GPR data with tuneable directional wavelet filters.” Journal Applied Geophysics, Vol. 89, pp. 48-67, https://doi.org/10.1016/j.jappgeo.2012.11.007."

"Zhang, Y., Huston, D. and Xia, T. (2016). “Underground object characterization based on neural networks for ground penetrating radar data.” Proceedings of the International Society for Optics and Photonics, pp. 1-9."