Sciweavers

ICASSP
2011
IEEE
12 years 8 months ago
Detection diversity of multiantenna spectrum sensors
In the context of spectrum sensing, we investigate the performance of detectors equipped with M antennas (co-located or distributed) under Rayleigh fading, in terms of detection d...
Gonzalo Vazquez-Vilar, Roberto López-Valcar...
TWC
2010
12 years 11 months ago
Multiple antenna spectrum sensing in cognitive radios
In this paper, we consider the problem of spectrum sensing by using multiple antenna in cognitive radios when the noise and the primary user signal are assumed as independent compl...
Abbas Taherpour, Masoumeh Nasiri-Kenari, Saeed Gaz...
TIP
2010
107views more  TIP 2010»
12 years 11 months ago
Risk-Distortion Analysis for Video Collusion Attacks: A Mouse-and-Cat Game
Copyright protection is a key issue for video sharing over public networks. To protect the video content from unauthorized redistribution, digital fingerprinting is commonly used. ...
Yan Chen, W. Sabrina Lin, K. J. Ray Liu
CVPR
2011
IEEE
13 years 7 hour ago
Recognition Using Visual Phrases
In this paper we introduce visual phrases, complex visual composites like “a person riding a horse”. Visual phrases often display significantly reduced visual complexity comp...
Ali Farhadi, Mohammad Amin Sadeghi
CVPR
2011
IEEE
13 years 21 days ago
Large-Scale Live Active Learning: Training Object Detectors with Crawled Data and Crowds
Active learning and crowdsourcing are promising ways to efficiently build up training sets for object recognition, but thus far techniques are tested in artificially controlled ...
Sudheendra Vijayanarasimhan, Kristen Grauman
ICCV
2009
IEEE
13 years 2 months ago
An algebraic model for fast corner detection
This paper revisits the classical problem of detecting interest points, popularly known as "corners," in 2D images by proposing a technique based on fitting algebraic sh...
Andrew Willis, Yunfeng Sui
VTC
2010
IEEE
134views Communications» more  VTC 2010»
13 years 2 months ago
Sensitivity of Spectrum Sensing Techniques to RF Impairments
Cognitive radios are devices capable of sensing a large range of frequencies in order to detect the presence of primary networks and reuse their bands when they are not occupied. D...
Jonathan Verlant-Chenet, Julien Renard, Jean-Miche...
VTC
2010
IEEE
130views Communications» more  VTC 2010»
13 years 2 months ago
Receiver Multiuser Diversity Aided Multi-Stage MMSE Multiuser Detection for DS-CDMA and SDMA Systems Employing I-Q Modulation
Abstract— The so-called receiver multiuser diversity aided multistage minimum mean-square error multiuser detector (RMD/MS-MMSE MUD), which was proposed previously by the author,...
Lie-Liang Yang
RAID
2010
Springer
13 years 3 months ago
Behavior-Based Worm Detectors Compared
Abstract. Many worm detectors have been proposed and are being deployed, but the literature does not clearly indicate which one is the best. New worms such as IKEE.B (also known as...
Shad Stafford, Jun Li
ICRA
2010
IEEE
145views Robotics» more  ICRA 2010»
13 years 3 months ago
Extracting general-purpose features from LIDAR data
— The detection of features from Light Detection and Ranging (LIDAR) data is a fundamental component of featurebased mapping and SLAM systems. Existing detectors tend to exploit ...
Yangming Li, Edwin B. Olson