Preprint Review Version 1 This version is not peer-reviewed Version 1 : Received: 5 August 2024 / Approved: 5 August 2024 / Online: 6 August 2024 (08:36:05 CEST) Ahsan, M. M.; Raman, S.; Liu, Y.; Siddique, Z. A Comprehensive Survey on Diffusion Models and Their Applications. Preprints 2024, 2024080316. https://doi.org/10.20944/preprints202408.0316.v1 Ahsan, M. M.; Raman, S.; Liu, Y.; Siddique, Z. A Comprehensive Survey on Diffusion Models and Their Applications. Preprints 2024, 2024080316.