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» Compression of facial images using the K-SVD algorithm
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ICIP
1995
IEEE
15 years 11 months ago
Efficient mode selection for block-based motion compensated video coding
A method for efficiently selecting the operating modes within a block-based multi-mode video compression system is described. For a given image region, the optimum combination of ...
Thomas Wiegand, Michael Lightstone, T. George Camp...
JMIV
2002
126views more  JMIV 2002»
14 years 9 months ago
Tree-Structured Haar Transforms
In our recent work, a class of parametric transforms, including family of Haar-like transforms, was introduced and studied in application to image compression. Parametric Haar-lik...
Karen O. Egiazarian, Jaakko Astola
CRV
2008
IEEE
125views Robotics» more  CRV 2008»
14 years 11 months ago
Enhancing Steganography in Digital Images
The recent digital revolution has facilitated communication, data portability and on-the-fly manipulation. Unfortunately, this has brought along some critical security vulnerabili...
Abbas Cheddad, Joan Condell, Kevin Curran, Paul Mc...
PET
2009
Springer
15 years 4 months ago
Privacy-Preserving Face Recognition
Abstract. Face recognition is increasingly deployed as a means to unobtrusively verify the identity of people. The widespread use of biometrics raises important privacy concerns, i...
Zekeriya Erkin, Martin Franz, Jorge Guajardo, Stef...
ECCV
2008
Springer
15 years 11 months ago
Non-local Regularization of Inverse Problems
This article proposes a new framework to regularize linear inverse problems using the total variation on non-local graphs. This nonlocal graph allows to adapt the penalization to t...
Gabriel Peyré, Laurent D. Cohen, Séb...