Note that all readings this class are optional (Abhinav is presenting).
V. Hedau, D. Hoiem, and D.A. Forsyth. Recovering the Spatial Layout of Cluttered Rooms. ICCV 2009
D. Hoiem, A.A. Efros, and M. Hebert. Geometric Context from a Single Image. ICCV 2005
Abhinav Gupta, Alexei A. Efros and M. Hebert, Blocks World Revisited: Image Understanding Using Qualitative Geometry and Mechanics. In ECCV 2010.