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ICASSP
2008
IEEE
15 years 10 months ago
Sparse reconstruction by separable approximation
Finding sparse approximate solutions to large underdetermined linear systems of equations is a common problem in signal/image processing and statistics. Basis pursuit, the least a...
Stephen J. Wright, Robert D. Nowak, Mário A...
IROS
2008
IEEE
171views Robotics» more  IROS 2008»
15 years 10 months ago
Biomimetic grasp planning for cortical control of a robotic hand
— In this paper we outline a grasp planning system designed to augment the cortical control of a prosthetic arm and hand. A key aspect of this task is the presence of on-line use...
Matei T. Ciocarlie, Samuel T. Clanton, M. Chance S...
140
Voted
GLOBECOM
2007
IEEE
15 years 10 months ago
Minimum Coverage Breach and Maximum Network Lifetime in Wireless Sensor Networks
—Network lifetime is a critical issue in Wireless Sensor Networks. It is possible to extend network lifetime by organizing the sensors into a number of sensor covers. However, wi...
Chen Wang, My T. Thai, Yingshu Li, Feng Wang 0002,...
198
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ICC
2007
IEEE
387views Communications» more  ICC 2007»
15 years 10 months ago
LS Channel Estimation for Mobile OFDM Communications on Time-Varying Frequency-Selective Fading Channels
Abstract— A least-squares (LS) channel estimation (CE) technique for mobile OFDM communications over a rapidly timevarying frequency-selective fading channel is investigated in t...
Jia-Chin Lin
IDEAS
2007
IEEE
135views Database» more  IDEAS 2007»
15 years 10 months ago
Bitmap Index Design Choices and Their Performance Implications
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
Elizabeth J. O'Neil, Patrick E. O'Neil, Kesheng Wu