04:00
2026-07-17
arxiv.org
machine-learning
MIDiff: Tackling Sparsity and Imbalance in Mobile Usage Generation via Multivariate-Imaging Diffusion
Researchers propose MIDiff, a diffusion-based framework that transforms sparse multivariate mobile usage sequences into correlation images using Cross-Gramian Angular Sum Field (C-GASF) and employs Tr…