Scientific Program

Plenary Lecture

Program -> Plenary and Semi-Plenary -> Thu.9:00.H 0105 title only | abstract | bio sketch

Thursday, 9:00 - 9:50 h, H 0105


Richard Baraniuk
Compressive Signal Processing


Chair: Luís Nunes Vicente


Abstract:
Sensing and imaging systems are under increasing pressure to accommodate ever larger and higher-dimensional data sets; ever faster capture, sampling, and processing rates; ever lower power consumption; communication over ever more difficult channels; and radically new sensing modalities. This talk will overview the foundations and recent progress on compressive signal processing, a new approach to data acquisition and processing in which analog signals are digitized and processed not via uniform sampling but via measurements using more general, even random, test functions. In stark contrast with conventional wisdom, the new theory asserts that one can combine "sub-Nyquist-rate sampling" with large-scale optimization for efficient and accurate signal acquisition when the signal has a sparse structure. The implications of compressive sensing are promising for many applications and enable the design of new kinds of communication systems, cameras, imagers, microscopes, and pattern recognition systems. Special emphasis will be placed on the pros and cons of the compressive sensing technique.

 

 

Program -> Plenary and Semi-Plenary -> Thu.9:00.H 0105 title only | abstract | bio sketch

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