Unsharp Masking, Countershading and Halos: Enhancements or Artifacts?

Matthew Trentacoste, Rafal Mantiuk, Wolfgang Heidrich, Florian Dufrot. Unsharp Masking, Countershading and Halos: Enhancements or Artifacts?. Comput. Graph. Forum, 31(2):555-564, 2012. [doi]

Abstract

Abstract is missing.