Resampled Importance Sampling

Area ReSTIR: Resampling for Real-Time Defocus and Antialiasing

Song Zhang, Daqi Lin, Markus Kettunen, Cem Yuksel, Chris Wyman

Journal SIGGRAPH 2024 Rendering
ReSTIR Resampled Importance Sampling Real-Time Ray Tracing Depth of Field Antialiasing Path Reuse Shift Mapping

Correct your balance heuristic: Optimizing balance-style multiple importance sampling weights

Qingqin Hua, Pascal Grittmann, Philipp Slusallek

Journal SIGGRAPH 2025 Rendering
Multiple Importance Sampling MIS Monte Carlo Rendering Ray Tracing Global Illumination Balance Heuristic Variance Reduction Bidirectional Path Tracing VCM Resampled Importance Sampling

Conditional Resampled Importance Sampling and ReSTIR

Markus Kettunen, Daqi Lin, Ravi Ramamoorthi, Thomas Bashford-Rogers, Chris Wyman

Conference SIGGRAPH Asia 2023 Rendering
ReSTIR Resampled Importance Sampling Path Tracing Monte Carlo Integration Real-Time Rendering