Staircase

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Charts

Lower values are better (for SSIM, we plot 1-SSIM).
MAPE
SMAPE
L1
MRSE
L2
1-SSIM

Metrics

MetricPath TracingPPGNISNIS++ (Ours)NCV (Ours)NCV (Ours) + Heuristic TerminationCV Integral at Primary Vertex
Render Time2.0h2.0h2.0h2.0h2.0h2.0h2.0h
SPP1458255312881156943943943
MAPE0.1370.02880.02260.02220.01880.01510.0356
SMAPE0.1380.02870.02240.02200.01870.01500.0338
L10.01423.22e−32.52e−32.51e−32.07e−31.55e−32.34e−3
MRSE0.01025.29e−43.84e−43.95e−42.61e−41.39e−48.72e−4
L26.06e−43.43e−52.32e−52.40e−51.48e−58.51e−63.36e−5
1-SSIM0.2970.02070.01360.01319.75e−35.22e−38.06e−3