- provides an introducing into linear blending
- explaining that pixels are no signal but rather samples taken at a given location
- presents the star-shaped artifact of bilinear filtering
- discusses an alternative to bilinear filtering with links to papers and analyzes the frequency response of some filters

- the article presents how to use the Mitsuba renderer to validate the results from a PBR renderer
- provides an overview of the file structure used by Mitsuba and how to convert units where required
