Semi supervised identification of surface cracks in stone carvings based on improved VGG16 network 
ZHANG Yinghao, FENG Xuan, ZHAO Pengfei, DONG Zejun, ZHOU Haoqiu, ZHANG Minghe, AN Yafei, YANG Jiarun, WANG Yuheng, WANG Liulei
Global Geology . 2024, (3): 444 -451 .