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» Similarity estimation techniques from rounding algorithms
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TSP
2008
115views more  TSP 2008»
15 years 3 months ago
Sinusoidal Modeling and Adaptive Channel Prediction in Mobile OFDM Systems
We propose a wireless fading channel prediction algorithm for a pilot-symbol aided Orthogonal Frequency Division Multiplexing (OFDM) system. Assuming a doubly selective (time and ...
Ian C. Wong, Brian L. Evans
ICRA
2005
IEEE
169views Robotics» more  ICRA 2005»
15 years 9 months ago
Absolute Stereo SFM without Stereo Correspondence for Vision Based SLAM
— This paper presents a vision based SLAM method by using stereo SFM technique. The proposed method is based on the stereo SFM presented in our former paper. The method do not ne...
Jae-Hean Kim, Myung Jin Chung
UM
2007
Springer
15 years 10 months ago
Feature-Weighted User Model for Recommender Systems
Recommender systems are gaining widespread acceptance in e-commerce applications to confront the “information overload” problem. Collaborative Filtering (CF) is a successful re...
Panagiotis Symeonidis, Alexandros Nanopoulos, Yann...
GLOBECOM
2006
IEEE
15 years 10 months ago
Implementation of a Coded Modulation for Deep Space Optical Communications
— We present a field programmable gate array (FPGA) implementation of a turbo-like decoder for a serially concatenated pulse-position modulation (SCPPM) code. NASA developed thi...
Michael K. Cheng, Bruce E. Moision, Jon Hamkins, M...
FGR
2002
IEEE
229views Biometrics» more  FGR 2002»
15 years 8 months ago
An Approach to Automatic Recognition of Spontaneous Facial Actions
We present ongoing work on a project for automatic recognition of spontaneous facial actions. Spontaneous facial expressions differ substantially from posed expressions, similar t...
Bjorn Braathen, Marian Stewart Bartlett, Gwen Litt...