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PR
2002
103views more  PR 2002»
15 years 5 months ago
Extracting moving shapes by evidence gathering
Many approaches can track objects moving in sequences of images but can su er in occlusion and noise, and often require initialisation. These factors can be handled by techniques ...
Michael G. Grant, Mark S. Nixon, Paul H. Lewis
ICCV
2005
IEEE
16 years 8 months ago
Learning Non-Negative Sparse Image Codes by Convex Programming
Example-based learning of codes that statistically encode general image classes is of vital importance for computational vision. Recently, non-negative matrix factorization (NMF) ...
Christoph Schnörr, Matthias Heiler
ICIP
1998
IEEE
16 years 7 months ago
Blind Estimation of PSF for Out of Focus Video Data
A method has beenproposed for blindly estimating the Point Spread Function (PSF) of video data. The PSF's of the images in a sequence are assumed to be of compact support and...
Hassan Shekarforoush, Rama Chellappa
STOC
2010
ACM
211views Algorithms» more  STOC 2010»
16 years 3 months ago
Maintaining a Large Matching or a Small Vertex Cover
We consider the problem of maintaining a large matching or a small vertex cover in a dynamically changing graph. Each update to the graph is either an edge deletion or an edge ins...
Krzysztof Onak and Ronitt Rubinfeld
HT
2005
ACM
15 years 11 months ago
Vox populi: a tool for automatically generating video documentaries
Vox Populi is a system that automatically generates video documentaries. Our application domain is video interviews about controversial topics. Via a Web interface the user select...
Stefano Bocconi, Frank Nack, Lynda Hardman