There are a lot of other topics to explore in computational photography:

• It's especially worth taking a look at the Exposure Fusion technique developed by Tom Mertens, et al. The Exposure fusion article by Tom Mertens, Jan Kautz, and Frank Van Reeth, in Computer Graphics and Applications, 2007, Pacific Graphics 2007, proceedings at 15th Pacific Conference on, pages 382–390, IEEE, 2007.
• The Recovering High Dynamic Range Radiance Maps from Photographs article by Paul E Debevec and Jitendra Malik, in ACM SIGGRAPH 2008 classes, 2008, page 31, ACM, 2008.