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ICML
2008
IEEE
14 years 10 months ago
Reinforcement learning in the presence of rare events
We consider the task of reinforcement learning in an environment in which rare significant events occur independently of the actions selected by the controlling agent. If these ev...
Jordan Frank, Shie Mannor, Doina Precup
ISBI
2008
IEEE
14 years 9 months ago
Texture-driven coronary artery plaque characterization using wavelet packet signatures
High-frequency ultrasound transducers are being widely used to generate high resolution, real time, cross-sectional images of the coronary arteries. In this paper, we present a ro...
Amin Katouzian, Babak Baseri, Elisa E. Konofagou, ...
CVPR
2010
IEEE
14 years 5 months ago
Sufficient Dimensionality Reduction for Visual Sequence Classification
When classifying high-dimensional sequence data, traditional methods (e.g., HMMs, CRFs) may require large amounts of training data to avoid overfitting. In such cases dimensional...
Alex Shyr, Raquel Urtasun, Michael Jordan
ICMCS
2008
IEEE
135views Multimedia» more  ICMCS 2008»
14 years 3 months ago
Audio and video signatures for synchronization
Abstract— We propose a framework based on signatures extracted from audio and video streams for automatically measuring and maintaining synchronization between the two streams. T...
Regunathan Radhakrishnan, Kent Terry, Claus Bauer
ICRA
2008
IEEE
108views Robotics» more  ICRA 2008»
14 years 3 months ago
Detecting structural ambiguities and transitions during a guided tour
— Service robots designed for domestic settings need to navigate in an environment that they have to share with their users. Thus, they have to be able to report their current st...
Elin Anna Topp, Henrik I. Christensen