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CRV
2007
IEEE
139views Robotics» more  CRV 2007»
14 years 5 months ago
A Simple Operator for Very Precise Estimation of Ellipses
This paper presents a simple linear operator that accurately estimates the position and parameters of ellipse features. Based on the dual conic model, the operator avoids the inte...
Jean-Nicolas Ouellet, Patrick Hébert
CRV
2007
IEEE
138views Robotics» more  CRV 2007»
14 years 5 months ago
Terrain Modelling for Planetary Exploration
The success of NASA’s Mars Exploration Rovers has demonstrated the important benefits that mobility adds to planetary exploration. Very soon, mission requirements will impose t...
Ioannis M. Rekleitis, Jean-Luc Bedwani, Sebastien ...
CRV
2007
IEEE
101views Robotics» more  CRV 2007»
14 years 5 months ago
Using a Raster Display for Photometric Stereo
This paper presents a new controlled lighting apparatus which uses a raster display device as a light source. The setup has the advantage over other alternatives in that it is rel...
Nathan Funk, Yee-Hong Yang
CRV
2007
IEEE
231views Robotics» more  CRV 2007»
14 years 5 months ago
Establishing Visual Correspondence from Multi-Resolution Graph Cuts for Stereo-Motion
This paper presents the design and implementation of a multi-resolution graph cuts (MRGC) for stereo-motion framework that produces dense disparity maps. Both stereo and motion ar...
Joshua Worby, W. James MacLean
CRV
2007
IEEE
115views Robotics» more  CRV 2007»
14 years 5 months ago
Camera Sensor Model for Visual SLAM
In this paper, we present a technique for the construction of a camera sensor model for visual SLAM. The proposed method is an extension of the general camera calibration procedur...
Jing Wu, Hong Zhang
CRV
2007
IEEE
159views Robotics» more  CRV 2007»
14 years 5 months ago
Automatic Detection and Clustering of Actor Faces based on Spectral Clustering Techniques
We describe a video indexing system that aims at indexing large video files in relation to the presence of similar faces. The detection of near-frontal view faces is done with a c...
Samuel Foucher, Langis Gagnon
CRV
2007
IEEE
81views Robotics» more  CRV 2007»
14 years 5 months ago
Non-Uniform Hierarchical Geo-consistency for Multi-baseline Stereo
We propose a new and flexible hierarchical multibaseline stereo algorithm that features a non-uniform spatial decomposition of the disparity map. The visibility computation and r...
Marc-Antoine Drouin, Martin Trudeau, Sébast...
CRV
2007
IEEE
120views Robotics» more  CRV 2007»
14 years 5 months ago
A new segmentation method for MRI images of the shoulder joint
This paper presents an integrated region-based and gradient-based supervised method for segmentation of a patient magnetic resonance images (MRI) of the shoulder joint. The method...
Nhat Tan Nguyen, Denis Laurendeau, Alexandra Branz...
CRV
2007
IEEE
127views Robotics» more  CRV 2007»
14 years 5 months ago
Extrinsic Recalibration in Camera Networks
This work addresses the practical problem of keeping a camera network calibrated during a recording session. When dealing with real-time applications, a robust calibration of the ...
Chris Hermans, Maarten Dumont, Philippe Bekaert