This is one of those SIGGRAPH papers that are like magic tricks -- unbelievable until you find out how they're done and what their limitations are. There are e

This is one of those SIGGRAPH papers that are like magic tricks -- unbelievable until you find out how they're done and what their limitations are. There are existing projects that pair an image composition function with a tagged image database (like this one: http://graphics.cs.cmu.edu/projects/photoclipart/ http://graphics.cs.cmu.edu/projects/photoclipart/). This project sounds like it adds a fitness function so that it can find an output image that looks good.