David is quite right: the details of the trademark retrieval experiment are sparse. I'll bring this up in class as well, but what do other people make of the fact that the k-medoid prototypes in the object recognition task are not built from the same number of views for all objects?

I've just noticed that there's also a tech report that provides a few more details at:
http://www.cs.berkeley.edu/~sjb/techrpt.html