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AAAI
2007
15 years 10 months ago
Discovering Multivariate Motifs using Subsequence Density Estimation and Greedy Mixture Learning
The problem of locating motifs in real-valued, multivariate time series data involves the discovery of sets of recurring patterns embedded in the time series. Each set is composed...
David Minnen, Charles Lee Isbell Jr., Irfan A. Ess...
HCI
2007
15 years 9 months ago
Emotionally Expressive Avatars for Chatting, Learning and Therapeutic Intervention
We present our work on emotionally expressive avatars, animated virtual characters that can express emotions via facial expressions. Because these avatars are highly distinctive an...
Marc Fabri, Salima Y. Awad Elzouki, David J. Moore
IWPT
2001
15 years 9 months ago
Parsing the CHILDES Database: Methodology and Lessons Learned
This paper discusses the process of parsing adult utterances directed to a child, in an effort to produce a syntactically annotated corpus of the verbal input to a human language ...
Kenji Sagae, Alon Lavie, Brian MacWhinney
CVPR
2011
IEEE
15 years 3 months ago
Learning Temporally Consistent Rigidities
We present a novel probabilistic framework for rigid tracking and segmentation of shapes observed from multiple cameras. Most existing methods have focused on solving each of thes...
Jean-Sebastien Franco, Edmond Boyer
COLT
2000
Springer
15 years 12 months ago
The Computational Complexity of Densest Region Detection
We investigate the computational complexity of the task of detecting dense regions of an unknown distribution from un-labeled samples of this distribution. We introduce a formal l...
Shai Ben-David, Nadav Eiron, Hans-Ulrich Simon