Deep learning for vessel detection and identification from spaceborne optical imagery

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Abstract

We present a deep learning-based vessel detection and (re-)identification approach from spaceborne optical images. We introduce these two components as part of a maritime surveillance from space pipeline and present experimental results on challenging real-world maritime datasets derived from WorldView imagery. First, we developed a vessel detection model based on RetinaNet achieving a performance of 0.795 F1-score on a challenging multi-scale dataset. We then collected a large-scale dataset for vessel identification by applying the detection model on 200+ optical images, detecting the vessels therein and assigning them an identity via an Automatic Identification System association framework. A vessel re-identification model based on Twin neural networks has then been trained on this dataset featuring 2500+ unique vessels with multiple repeated occurrences across different acquisitions. The model allows to naturally establish similarities between vessel images. It returns a relevant ranking of candidate vessels from a database when provided an input image for a specific vessel the user might be interested in, with top-1 and top-10 accuracies of 38.7% and 76.5%, respectively. This study demonstrates the potential offered by the latest advances in deep learning and computer vision when applied to optical remote sensing imagery in a maritime context, opening new opportunities for automated vessel monitoring and tracking capabilities from space.

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CITATION STYLE

APA

Matasci, G., Plante, J., Kasa, K., Mousavi, P., Stewart, A., MacDonald, A., … Busler, J. (2021). Deep learning for vessel detection and identification from spaceborne optical imagery. In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences (Vol. 5, pp. 303–310). Copernicus GmbH. https://doi.org/10.5194/isprs-annals-V-3-2021-303-2021

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