AAccident Analysis & Prevention3/22/2026Traffic crash data augmentation with multi-type variables using hybrid VAE-Diffusion generative neural networks for enhancing crash frequency modelingJunlan Chen·Ziyuan Pu·Pei Liu·Nan Zheng·Pan Liu·Wei Ma·Qijie HeRead at Accident Analysis & PreventionTagsTraffic and Road SafetySafety, Risk, Reliability and Quality