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CVPR
2009
IEEE
16 years 1 months ago
On bias correction for geometric parameter estimation in computer vision
Maximum likelihood (ML) estimation is widely used in many computer vision problems involving the estimation of geometric parameters, from conic fitting to bundle adjustment for s...
Takayuki Okatani, Koichiro Deguchi
ICC
2009
IEEE
106views Communications» more  ICC 2009»
16 years 1 months ago
Mitigating Channel Estimation Error via Cooperative Communications
— Channel estimation error problem is among the main causes of performance degradation in wireless networks. In this paper, we investigate the impact of cooperative communication...
Ahmed S. Ibrahim, K. J. Ray Liu
WIAMIS
2009
IEEE
16 years 1 months ago
Global motion estimation using variable block sizes and its application to object segmentation
Global motion is estimated either in the pixel domain or in block based domain. Until now, all the approaches regarding the latter are based on fixed sized blocks while the recent...
Marina Georgia Arvanitidou, Alexander Glantz, Andr...
ICRA
2009
IEEE
137views Robotics» more  ICRA 2009»
16 years 1 months ago
Multiple-model RANSAC for ego-motion estimation in highly dynamic environments
Abstract— Robust ego-motion estimation in urban environments is a key prerequisite for making a robot truly autonomous, but is not easily achievable as there are two motions invo...
Shao-Wen Yang, Chieh-Chih Wang
ACCV
2009
Springer
16 years 1 months ago
Robust Focal Length Estimation by Voting in Multi-view Scene Reconstruction
We propose a new robust focal length estimation method in multi-view structure from motion from unordered data sets, e.g. downloaded from the Flickr database, where jpeg-exif heade...
Martin Bujnak, Zuzana Kukelova, Tomás Pajdl...