Dynamic Vergence Using Log-Polar Images
International Journal of Computer Vision
A review of biologically motivated space-variant data reduction models for robotic vision
Computer Vision and Image Understanding
Disparity estimation on log-polar images and vergence control
Computer Vision and Image Understanding
IEEE Transactions on Pattern Analysis and Machine Intelligence
Computer Vision and Image Understanding
A review of log-polar imaging for visual perception in robotics
Robotics and Autonomous Systems
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In the last few years, the biologically-motivated log-polar foveal imaging model has attracted the attention from the robot and computer vision communities. The advantages that log-polar images offer for target tracking and other activevision tasks have been explored and exploited. However, despite the progress made, the proposed systems have some limitations, or rely on some assumptions which may be violated in practical real scenarios. Estimating complex parametric motion models in space-variant imagery is an example of one problem still deserving further investigation, and just the focus of this paper. The proposed algorithm learns to relate a set of known motions with their corresponding visual manifestations for a given reference pattern. After learning, motion estimation becomes a very efficient, search-free process. Synthetic and real experiments provide evidence on the effectiveness of this approach for motion estimation and visual tracking using log-polar images.