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Published on Feb 19, 2014
In this video, we solve the problem of estimating dense and accurate depth maps from a single moving camera. A probabilistic depth measurement is carried out in real time on a per-pixel basis and the computed uncertainty is used to reject erroneous estimations and provide live feedback on the reconstruction progress. Our contribution is a novel approach to depth map computation that combines Bayesian estimation and recent development on convex optimization for image processing. We demonstrate that our method outperforms state-of-the-art techniques in terms of accuracy, while exhibiting high efficiency in memory usage and computing power. Our probabilistic depth maps form a compact and efficient representation, which is suitable in robot perception. We call our approach REMODE (REgularized MOnocular Depth Estimation) and release an implementation as open-source software.
Matia Pizzoli, Christian Forster and Davide Scaramuzza, "REMODE: Probabilistic, Monocular Dense Reconstruction in Real Time", Proc. IEEE International Conference on Robotics and Automation (ICRA), 2014, Hong Kong.