Fast Rotations

Gregory Leibon

Mathematics Department Dartmouth College, and Memento Security

Recently, a pair of engineering colleagues of mine were stymied by the computational difficulties associated with a seemingly straightforward image processing problem (that of performing fast, stable, and loss-less image rotations). Their stymiedness appears be well justified, as the computationally simple solution to their problems turned out to be steeped in the lore of some rather serious (though quite charming!) mathematics. In this talk, we will go on an adventure from image processing to quantum field theory and back again to solve their problem.

Note: I will not expect to know quantum field theory, image processing, or serious mathematics. I will try my best to keep the prerequites down to linear algebra and multivariate calculus. (Though, being a brown bag seminar, a certain amount of intestinal fortitude wouldn't hurt!)

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