Jaroslav Křivánek

Unified Points, Beams, and Paths

Image comparison for the Still Life scene


Full transport reference solution (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