Sciweavers

621 search results - page 116 / 125
» Image Annotation System Using Visual and Textual Features
Sort
View
CVPR
2008
IEEE
14 years 9 months ago
Accurate camera calibration from multi-view stereo and bundle adjustment
Abstract: The advent of high-resolution digital cameras and sophisticated multi-view stereo algorithms offers the promises of unprecedented geometric fidelity in image-based modeli...
Yasutaka Furukawa, Jean Ponce
ICIP
2003
IEEE
14 years 9 months ago
On the Rayleigh nature of Gabor filter outputs
Texture has been recognized as an important visual primitive in image analysis. A widely used texture descriptor, which is part of the MPEG-7 standard, is that computed using mult...
Sitaram Bhagavathy, Jelena Tesic, B. S. Manjunath
MMSEC
2006
ACM
231views Multimedia» more  MMSEC 2006»
14 years 1 months 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...
ICIP
1999
IEEE
14 years 9 months ago
Realistic 3-D Scene Modeling from Uncalibrated Image Sequences
This contribution addresses the problem of obtaining photorealistic 3D models of a scene from images alone with a structure-from-motion approach. The 3D scene is observed from mul...
Reinhard Koch, Marc Pollefeys, Luc J. Van Gool
ICCV
2005
IEEE
14 years 9 months ago
When Does a Camera See Rain?
Rain produces sharp intensity fluctuations in images and videos, which degrade the performance of outdoor vision systems. These intensity fluctuations depend on various factors, s...
Kshitiz Garg, Shree K. Nayar