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WSCG
2003
188views more  WSCG 2003»
13 years 9 months ago
Camera Self-Calibration in Underwater Environment
This paper presents a self-calibration technique for a camera mounted on an underwater vehicle designed to perform the 3D reconstruction of underwater scenes. Our aim is to identi...
N. Pessel, Jan Opderbecke, Marie-José Aldon
IJRR
2008
136views more  IJRR 2008»
13 years 8 months ago
Image-based Visual Servoing with Central Catadioptric Cameras
: This paper presents an image-based visual servoing strategy for the autonomous navigation of a mobile holonomic robot from a current toward a desired pose, specified only through...
Gian Luca Mariottini, Domenico Prattichizzo
CIVR
2007
Springer
247views Image Analysis» more  CIVR 2007»
14 years 2 months ago
Near-duplicate keyframe retrieval with visual keywords and semantic context
Near-duplicate keyframes (NDK) play a unique role in large-scale video search, news topic detection and tracking. In this paper, we propose a novel NDK retrieval approach by explo...
Xiao Wu, Wanlei Zhao, Chong-Wah Ngo
SIGIR
2008
ACM
13 years 8 months ago
SpotSigs: robust and efficient near duplicate detection in large web collections
Motivated by our work with political scientists who need to manually analyze large Web archives of news sites, we present SpotSigs, a new algorithm for extracting and matching sig...
Martin Theobald, Jonathan Siddharth, Andreas Paepc...
SIGIR
2008
ACM
13 years 8 months ago
Classifiers without borders: incorporating fielded text from neighboring web pages
Accurate web page classification often depends crucially on information gained from neighboring pages in the local web graph. Prior work has exploited the class labels of nearby p...
Xiaoguang Qi, Brian D. Davison