Sciweavers

1595 search results - page 52 / 319
» Spherical Topic Models
Sort
View
ISBI
2008
IEEE
15 years 10 months ago
Fast displacement probability profile approximation from HARDI using 4th-order tensors
Cartesian tensor basis have been widely used to approximate spherical functions. In Medical Imaging, tensors of various orders have been used to model the diffusivity function in ...
Angelos Barmpoutis, Baba C. Vemuri, John R. Forder
FGR
2004
IEEE
167views Biometrics» more  FGR 2004»
15 years 1 months ago
Eigen-Harmonics Faces: Face Recognition under Generic Lighting
The performances of face recognition systems are heavily subject to the variations in lighting. We propose a novel approach for face recognition under generic illumination conditi...
Laiyun Qing, Shiguang Shan, Wen Gao
ICMCS
2007
IEEE
133views Multimedia» more  ICMCS 2007»
15 years 4 months ago
Data Modeling Strategies for Imbalanced Learning in Visual Search
In this paper we examine a novel approach to the difficult problem of querying video databases using visual topics with few examples. Typically with visual topics, the examples a...
Jelena Tesic, Apostol Natsev, Lexing Xie, John R. ...
EVOTING
2004
133views Hardware» more  EVOTING 2004»
14 years 11 months ago
Remote e-Voting and Coercion: a Risk-Assessment Model and Solutions
This paper, useful to anyone who has to address the public and representatives of the world of politics, focuses on the specific topic of resistance to vote-coercion. By using a mo...
Bernard van Acker
CIKM
2008
Springer
14 years 11 months ago
AdaSum: an adaptive model for summarization
Topic representation mismatch is a key problem in topic-oriented summarization for the specified topic is usually too short to understand/interpret. This paper proposes a novel ad...
Jin Zhang, Xueqi Cheng, Gaowei Wu, Hongbo Xu