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)



Contributions of the different estimators to the UPBP result

Point-Point 3D Point-Beam(long) 2D Beam(short)-Beam(long) 1D MC path integration Point-Point 3D Point-Beam(long) 2D Beam(short)-Beam(long) 1D MC path integration