Sciweavers

259 search results - page 27 / 52
» A pair of orthogonal frames
Sort
View
ICIP
2002
IEEE
14 years 9 months ago
An automatic scheme for stereoscopic video object-based watermarking using qualified significant wavelet trees
In this paper a fully automatic system for embedding visually recognizable watermark patterns to video objects is proposed. The architecture consists of 3 main modules. During the...
Nikolaos D. Doulamis, Anastasios D. Doulamis, Stef...
ECCV
2002
Springer
14 years 9 months ago
Automatic Camera Calibration from a Single Manhattan Image
We present a completely automatic method for obtaining the approximate calibration of a camera (alignment to a world frame and focal length) from a single image of an unknown scene...
J. Deutscher, Michael Isard, John MacCormick
ICIP
2003
IEEE
14 years 9 months ago
Navigating in Manhattan: 3D orientation from video without correspondences
The problem of inferring 3D orientation of a camera from video sequences has been mostly addressed by first computing correspondences of image features. This intermediate step is ...
André F. T. Martins, Mário A. T. Fig...
MICCAI
2009
Springer
14 years 8 months ago
Endoscopic Orientation Correction
Abstract. An open problem in endoscopic surgery (especially with flexible endoscopes) is the absence of a stable horizon in endoscopic images. With our "Endorientation" a...
Kurt Höller, Jochen Penne, Armin Schneider, J...
CVPR
2010
IEEE
14 years 4 months ago
Direct Image Alignment of Projector-Camera Systems with Planar Surfaces
Projector-camera systems use computer vision to analyze their surroundings and display feedback directly onto real world objects, as embodied by spatial augmented reality. To be e...
Samuel Audet, Masatoshi Okutomi, Masayuki Tanaka