NID-SLAM: Robust Monocular SLAM Using Normalised Information Distance
Abstract
We propose a direct monocular SLAM algorithm based on the Normalised Information Distance (NID) metric. In contrast to current state-of-the-art direct methods based on photometric error minimisation, our information-theoretic NID metric provides robustness to appearance variation due to lighting, weather and structural changes in the scene. We demonstrate successful localisation and mapping across changes in lighting with a synthetic indoor scene, and across changes in weather (direct sun, rain, snow) using real-world data collected from a vehicle-mounted camera. Our approach runs in real-time on a consumer GPU using OpenGL, and provides comparable localisation accuracy to state-of-the-art photometric methods but significantly outperforms both direct and feature-based methods in robustness to appearance changes.
Cite
Text
Pascoe et al. "NID-SLAM: Robust Monocular SLAM Using Normalised Information Distance." Conference on Computer Vision and Pattern Recognition, 2017. doi:10.1109/CVPR.2017.158Markdown
[Pascoe et al. "NID-SLAM: Robust Monocular SLAM Using Normalised Information Distance." Conference on Computer Vision and Pattern Recognition, 2017.](https://mlanthology.org/cvpr/2017/pascoe2017cvpr-nidslam/) doi:10.1109/CVPR.2017.158BibTeX
@inproceedings{pascoe2017cvpr-nidslam,
title = {{NID-SLAM: Robust Monocular SLAM Using Normalised Information Distance}},
author = {Pascoe, Geoffrey and Maddern, Will and Tanner, Michael and Pinies, Pedro and Newman, Paul},
booktitle = {Conference on Computer Vision and Pattern Recognition},
year = {2017},
doi = {10.1109/CVPR.2017.158},
url = {https://mlanthology.org/cvpr/2017/pascoe2017cvpr-nidslam/}
}