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COMPGEOM
2010
ACM
14 years 21 days ago
Points with large quadrant-depth
We characterize the set of all pairs (a, b) such that for every set P of n points in general position in R2 there always exists a point p ∈ P and two opposite quadrants determin...
Roel Apfelbaum, Itay Ben-Dan, Stefan Felsner, Rom ...
ICPR
2002
IEEE
14 years 17 days ago
Segmentation of Vector Fields by Critical Point Analysis: Application to Brain Deformation
MRI examinations may be used to monitor the progress of neurological disease. Arising structural changes can then be quantified using non-rigid registration procedures. However, ...
Gert Wollny, Marc Tittgemeyer, Frithjof Kruggel
PR
2006
131views more  PR 2006»
13 years 7 months ago
A face recognition system based on automatically determined facial fiducial points
In this paper a completely automatic face recognition system is presented. The method works on color images: after having localized the face and the facial features, it determines...
Stefano Arca, Paola Campadelli, Raffaella Lanzarot...
ESTIMEDIA
2003
Springer
14 years 25 days ago
Performance characterization of a low-cost video codec on portable devices
Bandwidth and processing requirements of conventional multimedia applications typically exceed capabilities of current technology portable terminals. Applications should hence be ...
Giulio Iannello, Luca Vollero, Francesco Delfino
RT
1995
Springer
13 years 11 months ago
Spatial Domain Characterization and Control of Reconstruction Errors
Reconstruction is imperative whenever an image or a volume needs to be resampled as a result of an affine or perspective transformation, texture mapping, or volume rendering. We p...
Raghu Machiraju, J. Edward Swan II, Roni Yagel