# Comparison of Kitchenette

## Comparing the estimates (Est.) of the baseline algorithms (PT/BDPT) and reconstruction (Rec.) of gradient domain methods
with our product sampling
(render times 1.2h)

GD-PT Est. | The inital estimate of the gradient domain path tracer
GD-BDPT Est. | The inital estimate of the gradient domain bidirectional path tracer
GD-PT Rec. | The final reconstruced result of the gradient domain path tracer
GD-BDPT Rec. | The final reconstruced result of the gradient domain bidirectional path tracer
Our | Our product importance sampling (using reduced GMMs)
Ref. | Reference image