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CVPR
2012
IEEE
13 years 8 months ago
Bilevel sparse coding for coupled feature spaces
In this paper, we propose a bilevel sparse coding model for coupled feature spaces, where we aim to learn dictionaries for sparse modeling in both spaces while enforcing some desi...
Jianchao Yang, Zhaowen Wang, Zhe Lin, Xianbiao Shu...
IWCIA
2009
Springer
16 years 27 days ago
Hierarchical Discrete Medial Axis for Sphere-Tree Construction
In discrete geometry, the Distance Transformation and the Medial Axis Extraction are classical tools for shape analysis. In this paper, we present a Hierarchical Discrete Medial Ax...
Alain Broutta, David Coeurjolly, Isabelle Sivignon
ICMCS
2006
IEEE
114views Multimedia» more  ICMCS 2006»
16 years 12 days ago
Computing a Multimedia Representation for Documents Given Time and Display Constraints
It is difficult to view multipage, high resolution documents on devices with small displays. As a solution, we introduce a Multimedia Thumbnail representation, which can be seen a...
Berna Erol, Kathrin Berkner, Siddharth Joshi, Jona...
MMSEC
2006
ACM
231views Multimedia» more  MMSEC 2006»
16 years 9 days ago
JPEG2000-based secure image authentication
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
Mathias Schlauweg, Dima Pröfrock, Erika M&uum...
MICCAI
2003
Springer
16 years 7 months ago
Medially Based Meshing with Finite Element Analysis of Prostate Deformation
The finite element method (FEM) is well suited for use in the non-rigid registration of magnetic resonance spectroscopy images (MRSI) with intraoperative ultrasound images of the p...
Jessica R. Crouch, Stephen M. Pizer, Edward L. Cha...