Stereoscopic-scenes for pbrt-v4

Stereo scenes and synthesis images

All synthesis images generated are of size 1920 x 1080 and saved into .rawls format for each sample estimated.

Note: xxxx means left or right eye view.

Scene folder	Filename	Integrator	Sampler	Samples	Generated	Experiment step	Update reference
`villa`	`p3d_villa-stereoscopic-xxxx.pbrt`	path	random	1 to 10000	✅	200	No