Liu
Bie Ju Centre for Mathematical Sciences
City University of Hong Kong
Mathematical Analysis and its Applications
Colloquium
Organized by Prof. Philippe G. Ciarlet and Prof. Roderick Wong
Rounding Algorithms and Digital Representation
by
Professor Alexander M. Powell
Vanderbilt University
Nashville, Tennessee
Date: Oct 28, 2009 (Wednesday)
Time:4:30 pm to 5:30 pm
Venue: Room B6605 (College Conference Room)
Blue Zone, Level 6, Academic Building
City University of Hong Kong
ABSTRACT: Redundancy plays an important role in many signal processing applications since it provides increased design flexibility and robustness against noise and other forms of data loss. We shall consider the problem of how to digitally represent redundant (overcomplete) signal expansions, and focus on a special class of algorithms known as sigma-delta quantizers. We shall discuss the basic ideas behind sigma-delta quantization and present some recent mathematical progress on: sigma-delta error bounds, stability theorems for sigma-delta algorithms, and noncanonical reconstruction procedures.
** All interested are welcome **
For enquiry: 2788-9816
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