Comparative analysis of AI techniques in pavement preservation materials: ensemble learning, deep learning, and simplified variance-matching diffusion model based data augmentation. - Vinay Vakharia; Rajesh Gujar; Mohd Aamir Mumtaz; Muhammad Imran Khan 011; Hitesh Panchal; Muazu Jibrin Musa; Mohammad Israr (J. Big Data, 2025)