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TSP
2012
14 years 9 hour ago
Robust Multicast Beamforming for Spectrum Sharing-Based Cognitive Radios
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
BMCBI
2007
216views more  BMCBI 2007»
15 years 4 months ago
A replica exchange Monte Carlo algorithm for protein folding in the HP model
Background: The ab initio protein folding problem consists of predicting protein tertiary structure from a given amino acid sequence by minimizing an energy function; it is one of...
Chris Thachuk, Alena Shmygelska, Holger H. Hoos
CHI
2006
ACM
16 years 4 months ago
Improving accessibility of the web with a computer game
Images on the Web present a major accessibility issue for the visually impaired, mainly because the majority of them do not have proper captions. This paper addresses the problem ...
Luis von Ahn, Shiry Ginosar, Mihir Kedia, Ruoran L...
MHCI
2009
Springer
15 years 11 months ago
Hoverflow: exploring around-device interaction with IR distance sensors
By equipping a mobile device with distance sensing capabilities, we aim to expand the interaction possibilities of mobile and wearable devices beyond the confines of the physical ...
Sven G. Kratz, Michael Rohs
ICCV
2009
IEEE
16 years 9 months ago
Subspace matching: Unique solutions to point matching with geometric constraints
Finding correspondences between feature points is one of the most relevant problems in the whole set of visual tasks. In this paper we address the problem of matching a feature ...
Manuel Marques, Marko Stosic and Joao Costeira