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ICIP
2009
IEEE
15 years 11 months ago
Security Evaluation Of Informed Watermarking Schemes
In this paper, security evaluation of an important watermarking class based on quantization is given. Theoretical developments and practical simulations are used to measure the se...
MICCAI
2006
Springer
15 years 11 months ago
Transformation Model and Constraints Cause Bias in Statistics on Deformation Fields
This work investigates the effects of nonrigid transformation model and deformation constraints on the results of deformation-based morphometry (DBM) studies. We evaluate three pop...
Torsten Rohlfing
IPMI
2007
Springer
15 years 11 months ago
Localized Components Analysis
We introduce Localized Components Analysis (LoCA) for describing surface shape variation in an ensemble of biomedical objects using a linear subspace of spatially localized shape c...
Dan A. Alcantara, Owen T. Carmichael, Eric Delson,...
ICIAR
2009
Springer
15 years 4 months ago
Speech-Video Synchronization Using Lips Movements and Speech Envelope Correlation
In this paper, we propose a novel correlation based method for speech-video synchronization (synch) and relationship classification. The method uses the envelope of the speech sig...
Amar A. El-Sallam, Ajmal S. Mian
CVPR
2008
IEEE
15 years 4 months ago
A Loopy Belief Propagation approach for robust background estimation
Background estimation, i.e. automatic recovery of the background image from a sequence of images containing moving foreground objects, is an important module in many applications,...
Xun Xu, Thomas S. Huang