## Title:
The Art of Measurement
## Abstract:
The central goal of compressed sensing is to capture attributes of a signal
using very few measurements. In most work to date this broader objective is exemplified
by the important special case of classification or reconstruction from a small number of
linear measurements. In the first part of this talk we use wireless information theory to
derive fundamental limits on compressive classification, on the maximum number of
classes that can be discriminated with low probability of error and on the tradeoff
between the number of classes and the probability of misclassification. In the second
part we describe how to use information theory to guide the design of linear
measurements by maximizing mutual information between the measurements and the
statistics of the source.
## Biography:
Robert Calderbank is Director of the Information Initiative at Duke
University, where he is Professor of Mathematics and Electrical Engineering. Prior to
joining Duke as Dean of Natural Sciences in 2010, he directed the Program in Applied
and Computational Mathematics at Princeton University. Prior to joining Princeton in
2004 he was Vice President for Research at AT&T, in charge of what may have been
the first industrial research lab where the primary focus was Big Data.
Professor Calderbank is well known for contributions to voiceband modem technology,
to quantum information theory, and for co-invention of space-time codes for wireless
communication. His research papers have been cited more than 30,000 times and his
inventions are found in billions of consumer devices. Professor Calderbank was elected
to the National Academy of Engineering in 2005 and has received a number of awards,
including the 2013 IEEE Hamming Medal for his contributions to information
transmission, and the 2015 Claude E. Shannon Award. |

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