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» Factoring Groups Efficiently
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FOCS
1990
IEEE
15 years 10 months ago
Complexity of Unification in Free Groups and Free Semi-groups
The exponent of periodicity is an important factor in estimates of complexity of word-unification algorithms. We prove that the exponent of periodicity of a minimal solution of a w...
Antoni Koscielski, Leszek Pacholski
ICIP
2007
IEEE
15 years 6 months ago
Robust Multi-Modal Group Action Recognition in Meetings from Disturbed Videos with the Asynchronous Hidden Markov Model
The Asynchronous Hidden Markov Model (AHMM) models the joint likelihood of two observation sequences, even if the streams are not synchronised. We explain this concept and how the...
Marc Al-Hames, Claus Lenz, Stephan Reiter, Joachim...
VTC
2006
IEEE
16 years 6 days ago
Group-Based Linear Parallel Interference Cancellation for DS-CDMA Systems
— The increase in the demand for voice and data wireless services creates a need for a more efficient use of the available bandwidth. Current and future generations cellular sys...
Benoit Pelletier, Benoît Champagne
ASSETS
2008
ACM
15 years 8 months ago
Creating and evaluating a video vocabulary for communicating verbs for different age groups
Icons and digital images used in augmentative and alternative communication (AAC) are not as effective in illustrating verbs, especially for people with cognitive degeneration or ...
Xiaojuan Ma, Perry R. Cook
ICMI
2010
Springer
287views Biometrics» more  ICMI 2010»
15 years 4 months ago
Identifying emergent leadership in small groups using nonverbal communicative cues
This paper addresses firstly an analysis on how an emergent leader is perceived in newly formed small-groups, and secondly, explore correlations between perception of leadership a...
Dairazalia Sanchez-Cortes, Oya Aran, Marianne Schm...