Sciweavers

2446 search results - page 274 / 490
» Polyadic Concept Analysis
Sort
View
ICIP
2009
IEEE
16 years 5 months ago
Detecting Contextual Anomalies Of Crowd Motion In Surveillance Video
Many works have been proposed on detecting individual anomalies in crowd scenes, i.e., human behaviors anomalous with respect to the rest of the behaviors. In this paper, we intro...
ICIP
2009
IEEE
16 years 5 months ago
Spatial-spectral Endmember Extraction From Hyperspectral Imagery Using Multi-band Morphology And Volume Optimization
We develop a new approach for characterization of mixed pixels in remotely sensed hyperspectral images. The proposed method rst performs joint spatial-spectral pixel characterizat...
IPMI
2009
Springer
16 years 5 months ago
Identification of Growth Seeds in the Neonate Brain Through Surfacic Helmholtz Decomposition
We report on a new framework to investigate the rapid brain development of newborns. It is based on the analysis of depth maps of the cortical surface through the study of a displa...
François Leroy, Jean-Francois Mangin, Jessi...
ICML
2009
IEEE
16 years 5 months ago
Optimal reverse prediction: a unified perspective on supervised, unsupervised and semi-supervised learning
Training principles for unsupervised learning are often derived from motivations that appear to be independent of supervised learning. In this paper we present a simple unificatio...
Linli Xu, Martha White, Dale Schuurmans
KDD
2004
ACM
160views Data Mining» more  KDD 2004»
16 years 5 months ago
Boosting for Text Classification with Semantic Features
Abstract. Current text classification systems typically use term stems for representing document content. Semantic Web technologies allow the usage of features on a higher semantic...
Stephan Bloehdorn, Andreas Hotho