Images

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BDPT - Global illumination
BDPT - Direct illumination
Defensive sampling
1: Path tracing
2: Balance heuristic
3: Power heuristic
4: Variance-aware balance heuristic (Ours)
5: Ground Truth
Path tracingBalance heuristicPower heuristicVariance-aware balance heuristic (Ours)Ground Truth
1: Path tracing
2: Balance heuristic
3: Power heuristic
4: Variance-aware balance heuristic (Ours)
5: Ground Truth
Path tracingBalance heuristicPower heuristicVariance-aware balance heuristic (Ours)Ground Truth
1: Balance heuristic
2: Power heuristic
3: Variance-aware balance heuristic (Ours)
4: Optimal MIS weights
5: Ground Truth
Balance heuristicPower heuristicVariance-aware balance heuristic (Ours)Optimal MIS weightsGround Truth