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ISBI
2006
IEEE
14 years 11 months ago
Coronary tree extraction from X-ray angiograms using marked point processes
In this paper, we use marked point processes to perform an unsupervised extraction of the coronary tree from 2D X-ray angiography. These processes provide a rigorous framework bas...
Caroline Lacoste, Gérard Finet, Isabelle E....
BIBE
2008
IEEE
109views Bioinformatics» more  BIBE 2008»
14 years 5 months ago
Retrieval and ranking of biomedical images using boosted haar features
— Retrieving similar images from large repository of heterogeneous biomedical images has been a difficult research task. In this paper, we develop a retrieval system that uses H...
Chandan K. Reddy, Fahima A. Bhuyan
ICMCS
2008
IEEE
160views Multimedia» more  ICMCS 2008»
14 years 5 months ago
Automatic semantic annotation for video blogs
In recent years, weblogs (or blogs) have received great popularity worldwide, among which video blogs (or vlogs) are playing an increasingly important role. As vlogs gain in popul...
Xiaoyu Zhang, Changsheng Xu, Jian Cheng, Hanqing L...
IAT
2007
IEEE
14 years 5 months ago
Analysis of Multi-Actor Policy Contexts Using Perception Graphs
Policy making is a multi-actor process: it involves a variety of actors, each trying to further their own interests. How these actors decide and act largely depends on the way the...
Pieter W. G. Bots
ECTEL
2007
Springer
14 years 5 months ago
A Methodological Proposal to Analyse Interactions in Online Collaborative Learning Environments
Interaction analysis within online educational contexts based on collaborative learning strategies requires a multidimensional model taking into account social, emotional and cogni...
Manuela Repetto