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TMI
2010
14 years 6 months ago
2010
Abstract--Doppler echocardiography remains the most extended clinical modality for the evaluation of left ventricular (LV) function. Current Doppler ultrasound methods, however, ar...
DCG
2010
14 years 12 months ago
2010
The angle defect, which is the standard way to measure the curvatures at the vertices of polyhedral surfaces, goes back at least as far as Descartes. Although the angle defect has ...
ICPR
2004
IEEE
16 years 29 days ago
2004
IEEE
A system is described for summarizing head-mounted or hand-carried "always-on" video. The example used is a tourist walking around a historic city with friends and famil...
AFRIGRAPH
2001
ACM
15 years 3 months ago
2001
ACM
Three dimensional computer reconstruction provides us with a means of visualising past environments, allowing us a glimpse of the past that might otherwise be difficult to appreci...
ICML
2008
IEEE
16 years 20 days ago
2008
IEEE
We consider feature extraction (dimensionality reduction) for compositional data, where the data vectors are constrained to be positive and constant-sum. In real-world problems, t...