About
From last 10 years or so, I have spent most of my time developing mathematical models to understand the role of randomness. I am fascinated by noise. Currently, I am investigating how noise plays a pivotal role in generative AI models. Before that, I spent a decade understanding how noise impacts the convergence behaviour of various rendering systems (for physically based light transport).
Myself Gurpreet, I come from a small town Jalandhar in Punjab, India. I did my schooling from Kendriya Vidyalaya No. 2, Jalandhar. I got into IIT Delhi and from there my journey started.
At the core of my research, I develop Monte Carlo sampling strategies for high-dimensional numerical integration problems. I am equally interested in applying Monte Carlo, Quasi-Monte Carlo and MCMC sampling strategies in the area of generative modeling.
Recent Publications
2025
Jump restore light transport
Sascha Holl, Gurprit Singh, Hans-Peter Seidel
SIGGRAPH Asia 2025
Gaussian integral linear operators for precomputed graphics
Haolin Lu, Yash Belhe, Gurprit Singh, Tzu-Mao Li, Toshiya Hachisuka
SIGGRAPH Asia 2025
Histogram Stratification for Spatio-Temporal Reservoir Sampling
Corentin Salaün, Martin Bálint, Laurent Belcour, Eric Heitz, Gurprit Singh and Karol Myszkowski
SIGGRAPH North America 2025
Demystifying noise: Role of randomness in generative AI
Gurprit Singh, Xingchang Huang, Jente Vandersanden, Cengiz Öztireli, Niloy Mitra
SIGGRAPH North America Courses 2025 / Eurographics Tutorial 2025
Edge-preserving noise for diffusion models
Jente Vandersanden, Sascha Holl, Xingchang Huang, Gurprit Singh
ICLR Workshop 2025
Online importance sampling for stochastic gradient optimization
Corentin Salaun, Xingchang Huang, Iliyan Georgiev, Niloy Mitra, Gurprit Singh
ICPRAM 2025 (Best Student Paper Award)
Multiple importance sampling for stochastic gradient estimation
Corentin Salaun, Xingchang Huang, Iliyan Georgiev, Niloy Mitra, Gurprit Singh
ICPRAM 2025
2024
MCMC: Bridging Rendering, Optimization and Generative AI
Gurprit Singh, Wenzel Jakob
SIGGRAPH Asia Courses 2024
Blue noise for diffusion models
Xingchang Huang, Corentin Salaun, Cristina Vasconcelos, Christian Theobalt, Cengiz Oztireli, Gurprit Singh
SIGGRAPH North America 2024