The SimProj Project provides a Processing-based (and therefore Java-based) application that provides a GUI for the simulated calculation of a video projection setup. SimProj allows to add and manipulate virtual projectors, mirrors and projection planes in order to show how the projection is mirrored and which sizes, angles and positions the setup components require. SimProj …
That blew my mind. Another great project by Microsoft Research. Also read the paper.
I still love the interaction between real documents and touch interfaces.
Recently, i came across a few videos of video projections on buildings and have been very intrigued. However, they seem to be studies made with After Effects. This is my favorite video: Projection on Buildings from NuFormer Digital Media on Vimeo.