Advanced perceptual systems are faced with the problem of securing a principled relationship between the world and its internal representation. I propose a uniied approach to visual representation, based on Shepard's (1968) notion of second-order isomorphism. According to the proposed theory, a shape is represented internally by the responses of a few tuned modules, each of which is broadly sel...

Title of dissertation: LEARNINGWITHMULTIPLE SIMILARITIES Abhishek Kumar, Doctor of Philosophy, 2013 Dissertation directed by: Professor Hal Daumé III Department of Computer Science The notion of similarities between data points is central to many classification and clustering algorithms. We often encounter situations when there are more than one set of pairwise similarity graphs between objects...