Abstract
This paper presents a new Bayesian algorithm for the robust reconstruction of multispectral single-photon Lidar data ac- quired in extreme conditions. We focus on imaging through obscurants (i.e., fog, water) leading to high and possibly non-uniform background noise. The proposed hierarchical Bayesian method accounts for multiscale information to pro- vide distribution estimates for the target’s depth and reflec- tivity, i.e., point and uncertainty measures of the estimates to improve decision making. The correlations between variables are enforced using a weighting scheme that allows the incor- poration of guide information available from other sensors or state-of-the-art algorithms. Results on synthetic and real data show improved reconstruction of the scene in extreme conditions when compared to the state-of-the-art algorithms.
Original language | English |
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Title of host publication | ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing |
Publisher | IEEE |
Pages | 1531-1535 |
Number of pages | 5 |
ISBN (Electronic) | 9781665405409 |
DOIs | |
Publication status | Published - 27 Apr 2022 |
Event | IEEE International Conference on Acoustics, Speech and Signal Processing 2022 - , Singapore Duration: 22 May 2022 → 27 May 2022 https://2022.ieeeicassp.org/ |
Conference
Conference | IEEE International Conference on Acoustics, Speech and Signal Processing 2022 |
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Abbreviated title | IEEE ICASSP 2022 |
Country/Territory | Singapore |
Period | 22/05/22 → 27/05/22 |
Internet address |
Keywords
- 3D reconstruction
- Bayesian inference
- multispectral Lidar imaging
- obscurants
- robust estimation
ASJC Scopus subject areas
- Software
- Signal Processing
- Electrical and Electronic Engineering