Location: MATH 3206
Time: 1:00 PM
Day: Monday
Organizers:
Weilin Li
wl298(a)math(.)umd(.)edu
Mark Magsino
mmagsino(a)math(.)umd(.)edu
Dongmian Zou
zou(a)math(.)umd(.)edu



Related Seminars:

The Norbert Wiener Center Seminar

UPCOMING TALKS

Time: Monday, February 27, 2017, 1:00pm @ MTH3206

Speaker: Dr. Michelle Quirk (Los Alamos)

Title: Principal Component Filter Banks: Optimality Criteria for Multi-Dimensional Signal Encoding

Abstract: This talk is concerned with optimality criteria for multi-dimensional signal encoding, with applications to extensions to the JPEG2000 Standard (multi-component imagery compression.) Multi-dimensional signals, regarded as stochastic processes, are subject to pre-processing for an efficient encoding or transmission. The essence of processing prior to operations, such as compression or brute-force dimensionality reduction, is the de-correlation of the signal, or a packing of the energy in fewer dimensions of interest, following explicitly-stated criteria.

This talk begins with a brief on filter banks, the Karhunen-Loeve transform, and optimality criteria for orthonormal filter banks. Criteria for efficient de-correlation and encoding are next, followed by a discussion on the existence of finite impulse response - or realizable - optimal filter banks.

We conclude this talk with the design of two-channel filter banks for remote sensing hyper-spectral images, and results on feature extraction from compressed/reconstructed images, using the JPEG 2000 Standard engine.

Fall 2016/Spring 2017 Seminar Schedule
08/30: Organizational Meeting
09/06: Dr. Joey Iverson (UMD) abstract
09/13: Dr. Anirudha Poria (UMD) abstract
09/20: No seminar
09/27: Prof. Sivaram Narayan (Central Michigan University) abstract
10/04: Prof. Stephen Casey (American University) abstract
10/11: Prof. Nate Strawn (Georgetown) abstract
10/18: Prof. Irena Mitrea (Temple University) abstract
10/25: Prof. Greg Coxson (United States Navy Acadamy) abstract
11/01: Dr. Alexander Cloninger (Yale University) abstract
11/08: No seminar
11/15: Dr. James Murphy (Johns Hopkins) abstract
11/22: No seminar
11/29: Shujie Kang(UMD)
12/06: Christiana Sabett (UMD)
Naveed Haghani (UMD)
01/30: Organizational Meeting
02/06: Rafael Reisenhofer (University of Bremen) abstract
02/13: No seminar
02/20: Prof. Yen Quang Do (UVA) abstract
02/27: Dr. Michelle Quirk (Los Alamos) abstract
03/06: Prof. Andrew Childs (UMD)
03/13: Dr. Alfredo Nava-Tudela (UMD)
03/20: No Seminar
03/27: Prof. Michael Robinson (American)
04/03: Addison Bohannon (UMD)
04/10: Dr. Sui Tang (JHU)
04/17: Dr. Wenjing Liao (JHU)
04/24: Not scheduled
05/01: Not scheduled
05/08: Dr. Brian Jalaian (ARL)


* Denotes special date/time

 

Previous Years' Abstracts


University of Maryland Suite 2211, Department of Mathematics, University of Maryland, College Park, MD 20742.   Phone: (301) 405-5158,
FAX: (301) 314-0827. The Norbert Wiener Center is part of the College of Computer, Mathematical, and Natural Sciences.