Oscillatory integrals

Monday, October 5, 2009 - 9:00am - 9:45am
Triet Le (Yale University)
In this talk, we study the problem of extracting local
scales of oscillatory patterns in images and on plane curves. In the
first case, Given a multi-scale representation {u(t)} of an image f,
we are
interested in automatically picking out a few choices of t_i(x), which
we call local scales, that better represent the multi-scale structure
of f at x. We will characterize local scales coming from the Gaussian
kernel. In the second case, we propose an approach to extracting
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