Sciweavers

2930 search results - page 455 / 586
» Feature Weighting for Segmentation
Sort
View
EUROCAST
2003
Springer
108views Hardware» more  EUROCAST 2003»
15 years 11 months ago
Fast Entropy-Based Nonrigid Registration
Computer vision tasks such as learning, recognition, classification or segmentation applied to spatial data often requires spatial normalization of repeated features and structure...
Eduardo Suárez, Jose Aurelio Santana, Eduar...
IDA
2003
Springer
15 years 11 months ago
A Semi-supervised Method for Learning the Structure of Robot Environment Interactions
For a mobile robot to act autonomously, it must be able to construct a model of its interaction with the environment. Oates et al. developed an unsupervised learning method that pr...
Axel Großmann, Matthias Wendt, Jeremy Wyatt
WACV
2002
IEEE
15 years 11 months ago
Arm Gesture Detection in a Classroom Environment
Detecting human arm motion in a typical classroom environment is a challenging task due to the noisy and highly dynamic background, varying light conditions, as well as the small ...
Jie Yao, Jeremy R. Cooperstock
NLPRS
2001
Springer
15 years 10 months ago
A Maximum Entropy Tagger with Unsupervised Hidden Markov Models
We describe a new tagging model where the states of a hidden Markov model (HMM) estimated by unsupervised learning are incorporated as the features in a maximum entropy model. Our...
Jun'ichi Kazama, Yusuke Miyao, Jun-ichi Tsujii
ICMCS
2000
IEEE
97views Multimedia» more  ICMCS 2000»
15 years 10 months ago
Indexing Telephone Conversations by Speakers
In this paper, we present an algorithm for the tracking of target speakers in telephone conversations. Speaker tracking consists in retrieving, in an audio recording, segments whi...
Ivan Magrin-Chagnolleau