UPBP: Mirror Balls scene


Full transport reference (UPBP)

Full transport reference



Comparison of our UPBP algorithm against previous work

UPBP (Our algorithm)Volumetric photon mapping (P-P)Beam radiance estimate (P-Bl)Photon beams (Bs-Bl)Bidirectional path tracing (BPT)
UPBP (Our algorithm)Volumetric photon mapping (P-P)Beam radiance estimate (P-Bl)Photon beams (Bs-Bl)Bidirectional path tracing (BPT)
To compare specific techniques, drag their corresponding miniature images and drop them inside the image comparison area bellow.
UPBP (Our algorithm)
Volumetric photon mapping (P-P)
Beam radiance estimate (P-Bl)
Photon beams (Bs-Bl)



Contributions of the different estimators to the UPBP result

Point-Point 3DPoint-Beam(long) 2DBeam(short)-Beam(long) 1DMC path integration
weightedPoint-Point 3D - WeightedPoint-Beam(long) 2D - WeightedBeam(short)-Beam(long) 1D - WeightedMC path integration - Weighted
unweightedPoint-Point 3D - UnweightedPoint-Beam(long) 2D - UnweightedBeam(short)-Beam(long) 1D - UnweightedMC path integration - Unweighted
To compare specific estimators, drag their corresponding miniature images and drop them inside the image comparison area bellow.
Point-Beam(long) 2D - Weighted
Beam(short)-Beam(long) 1D - Weighted
Point-Beam(long) 2D - Unweighted
Beam(short)-Beam(long) 1D - Unweighted