Simple Objects


Mean relative square error

Varying Medium Parameters

α'=0.650, σt'=20.0, g=0.90

Method 1024 spp 10 min
Ours 0.02894 0.02733
Beam dipole 0.05846 0.05773
Forward dipole 0.01681 0.04483
Directional dipole 0.05083 0.05153
Path tracing [poly.] 0.02746 0.02610
Path tracing [diffuse] 0.00691 0.00523
Path tracing 0.01374 0.00950

α'=0.980, σt'=20.0, g=0.90

Method 1024 spp 10 min
Ours 0.01051 0.00891
Beam dipole 0.03744 0.03593
Forward dipole 3.26756 2.95019
Directional dipole 0.06901 0.06996
Path tracing [poly.] 0.00986 0.01509
Path tracing [diffuse] 0.00292 0.00990
Path tracing 0.00636 0.02407

α'=0.980, σt'=1.0, g=0.99

Method 1024 spp 10 min
Ours 0.05077 0.05377
Beam dipole 0.27985 0.27970
Forward dipole 1352.82568 23.01992
Directional dipole 1.81753 7.20972
Path tracing [poly.] 0.04300 0.05206
Path tracing [diffuse] 0.10047 0.10978
Path tracing 0.00524 0.02744

α'=0.980, σt'=1.0, g=0.90

Method 1024 spp 10 min
Ours 0.03888 0.04198
Beam dipole 0.27653 0.27765
Forward dipole 107.59402 24.95649
Directional dipole 0.54274 0.41924
Path tracing [poly.] 0.03049 0.03140
Path tracing [diffuse] 0.04042 0.04120
Path tracing 0.00523 0.00680

α'=0.980, σt'=1.0, g=0.00

Method 1024 spp 10 min
Ours 0.01360 0.01484
Beam dipole 0.21605 0.21438
Forward dipole 16.19844 123.54378
Directional dipole 0.36549 0.33435
Path tracing [poly.] 0.01049 0.01067
Path tracing [diffuse] 0.00778 0.00780
Path tracing 0.00544 0.00471

α'=0.980, σt'=100.0, g=0.90

Method 1024 spp 10 min
Ours 0.00668 0.00670
Beam dipole 0.01860 0.01671
Forward dipole 1.06134 2.01284
Directional dipole 0.05095 0.05208
Path tracing [poly.] 0.00707 0.01437
Path tracing [diffuse] 0.00279 0.01206
Path tracing 0.00683 0.03265

Varying Illumination Parameters

Illumination 1

Equal Spp (1024 spp) Equal Time (10 min)
Method 1024 spp 10 min
Ours 0.02929 0.03250
Beam dipole 0.19212 0.06614
Forward dipole 8.09978 51.32615
Directional dipole 0.09293 0.10889
Path tracing [poly.] 0.01973 0.22854
Path tracing [diffuse] 0.02339 1.15579
Path tracing 0.75712 16.34676

Illumination 2

Method 1024 spp 10 min
Ours 0.02398 0.03129
Beam dipole 0.12744 0.03896
Forward dipole 19.14655 57.92124
Directional dipole 0.07647 0.08955
Path tracing [poly.] 0.02071 0.26014
Path tracing [diffuse] 0.01549 0.30558
Path tracing 0.39591 7.54157

Illumination 3

Method 1024 spp 10 min
Ours 0.03846 0.05602
Beam dipole 1.85467 1.71018
Forward dipole 9.73719 91.51696
Directional dipole 0.08792 0.12502
Path tracing [poly.] 0.03525 0.58700
Path tracing [diffuse] 0.03276 0.59502
Path tracing 0.38846 7.69861