Attention-enhanced U-Net for automatic crack detection in ancient murals using optical pulsed thermography Stefano Sfarra, Xavier Maldague, Qiang Fang, Akam M. Omer, Jingwen Cui, N. Tao, J. Meng, Q. Zhang, D. Yang, Y. Duan, H. Zhang, Y. Ma, X. Chen, Z. Zhang, C. Zhang • 2024