| Acronym | Full name | Reference |
|---|---|---|
| VCM/UPS | Vertex Connection and Merging/Unified Path Sampling | Georgiev et al. 2012/Hachisuka et al. 2012 |
| MEMLT | Metropolis Light Transport with Manifold Exploration | Jakob and Marschner 2012 |
| PSSMLT | Primary Space Metropolis Light Transport | Kelemen et al. 2002 |
| MMLT | Multiplexed Metropolis Light Transport | Hachisuka et al. 2014 |
| ERPT + ME | Energy Redistribution Path Tracing with Manifold Expl. | Cline et al. 2005 |
| HSLT | Half vector Space Light Transport | Kaplanyan et al. 2014 |