Derive importance functions and implement the Camera We(), Pdf_We(), Sample_Wi(), and Pdf_Wi() methods for one or more of EnvironmentCamera, OrthographicCamera, or RealisticCamera. Render images using...

Derive importance functions and implement the Camera We(), Pdf_We(), Sample_Wi(), and Pdf_Wi() methods for one or more of EnvironmentCamera, OrthographicCamera, or RealisticCamera. Render images using bidirectional path tracing or MMLT and show that given sufficient samples, they converge to the same images as when the scene is rendered with standard path tracing.