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AIS
2007
Springer
13 years 7 months ago
Virtual meeting rooms: from observation to simulation
Much working time is spent in meetings and as a consequence meetings have become the subject of multidisciplinary research. Virtual Meeting Rooms (VMRs) are 3D virtual replicas of ...
Dennis Reidsma, Rieks op den Akker, Rutger Rienks,...
CGA
2008
13 years 7 months ago
Virtual Classroom Extension for Effective Distance Education
We present the design, implementation, and initial results of a system for remote lecture attendance based on extending on-campus classrooms to accommodate remotely located studen...
Radu Dondera, Chun Jia, Voicu Popescu, Cristina Ni...
TNN
2008
128views more  TNN 2008»
13 years 7 months ago
Nonnegative Matrix Factorization in Polynomial Feature Space
Abstract--Plenty of methods have been proposed in order to discover latent variables (features) in data sets. Such approaches include the principal component analysis (PCA), indepe...
Ioan Buciu, Nikos Nikolaidis, Ioannis Pitas
IJCV
2000
195views more  IJCV 2000»
13 years 7 months ago
Optical Flow Constraints on Deformable Models with Applications to Face Tracking
Optical flow provides a constraint on the motion of a deformable model. We derive and solve a dynamic system incorporating flow as a hard constraint, producing a model-based least...
Douglas DeCarlo, Dimitris N. Metaxas
IJCV
2000
230views more  IJCV 2000»
13 years 7 months ago
Design and Use of Linear Models for Image Motion Analysis
Linear parameterized models of optical flow, particularly affine models, have become widespread in image motion analysis. The linear model coefficients are straightforward to estim...
David J. Fleet, Michael J. Black, Yaser Yacoob, Al...