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ICIP
2004
IEEE
15 years 11 months ago
Estimation of attacker's scale and noise variance for qim-dc watermark embedding
Quantization-based watermarking schemes are vulnerable to amplitude scaling. Therefore, the scaling factor needs to be estimated at the decoder side, such that the received (attac...
Reginald L. Lagendijk, Ivo D. Shterev
PAMI
2008
132views more  PAMI 2008»
14 years 10 months ago
Trajectory Association across Multiple Airborne Cameras
A camera mounted on an aerial vehicle provides an excellent means to monitor large areas of a scene. Utilizing several such cameras on different aerial vehicles allows further flex...
Yaser Sheikh, Mubarak Shah
IJCV
2007
196views more  IJCV 2007»
14 years 10 months ago
Weakly Supervised Scale-Invariant Learning of Models for Visual Recognition
We investigate a method for learning object categories in a weakly supervised manner. Given a set of images known to contain the target category from a similar viewpoint, learning...
Robert Fergus, Pietro Perona, Andrew Zisserman
CVPR
2007
IEEE
16 years 19 hour ago
Robust Click-Point Linking: Matching Visually Dissimilar Local Regions
This paper presents robust click-point linking: a novel localized registration framework that allows users to interactively prescribe where the accuracy has to be high. By emphasi...
Kazunori Okada, Xiaolei Huang
PIMRC
2008
IEEE
15 years 4 months ago
Channel state information based LLR clipping in list MIMO detection
—Suboptimal detection schemes, such as list MIMO detection, often face the challenge of having to “guess” at the decision reliability for some of the detected bits. A simple ...
David L. Milliner, Ernesto Zimmermann, John R. Bar...