*Pacific Northwest Numerical Analysis Seminar*

October 9, 1999

*What are a bunch of Applied Mathematicians doing at LizardTech?*

Vance Faber

LizardTech makes MrSID, an imaging environment which has at its heart a
wavelet based image compressor. The MrSID compressor evolved over many
years at Los Alamos National Laboratory from the simple observation that an
image is a function and that compression is a form of numerical
approximation. This talk will look at some of the unexpected mathematical
concepts which have found their way into a code which from the outside
appears to be just "pixels in and pixels out" but inside looks more like a
giant differential equation solver.

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