44 search results - page 9 / 9 » Recovery of Watermarks from Distorted Images |
ICIP
2004
IEEE
14 years 8 months ago
2004
IEEE
Most digital data hiding schemes are sensitive to simple geometric attacks namely rotation, cropping, and scaling. Of these, rotational attacks possess the capability to not only ...
CORR
2010
Springer
13 years 3 months ago
2010
Springer
Abstract. In this paper, we show how to efficiently and effectively extract a rich class of low-rank textures in a 3D scene from 2D images despite significant distortion and warpin...
ICRA
1998
IEEE
13 years 10 months ago
1998
IEEE
We present a new active vision technique called zoom tracking. Zoom tracking is the continuous adjustment of a camera's focal length in order to keep a constant-sized image of...
CVPR
2005
IEEE
14 years 8 months ago
2005
IEEE
Projection systems can be used to implement augmented reality, as well as to create both displays and interfaces on ordinary surfaces. Ordinary surfaces have varying reflectance, ...