On-line Learning of Parametric Mixture Models for Light Transport Simulation

Livingroom scene comparison

Path tracing (PT)

Reference Regular PT (1 hour) Our guided PT (1 hour)

Bidirectional path tracing (BDPT)

Reference 1 hour regular BDPT 1 hour BDPT+our

Vertex connection and merging (VCM)

Reference Regular VCM (1 hour) Our guided VCM (1 hour)

Progressive photon mapping (PPM)

Reference Regular PPM (1 hour) Our guided PPM (1 hour)