Marine Debris Segmentation Using a Parameter Efficient Octonion-Based Architecture

doi:10.1109/LGRS.2023.3321177

Marine Debris Segmentation Using a Parameter Efficient Octonion-Based Architecture

2023-01-01

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DOI：10.1109/LGRS.2023.3321177

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Marine debris poses a significant ecological challenge, necessitating advanced methods for its accurate detection and segmentation. Deep learning (DL) enables advanced remote sensing (RS) capabilities for earth observation, however, its on- board deployment is hindered by limitations in resource availability. In this letter, octonion neural networks (ONNs) are proposed for developing a parameter-efficient solution to address the problem of marine debris segmentation. ONNs extend the capabilities of real-valued networks by incorporating octonions, an 8-D hypercomplex number system. By harnessing the power of octonions, such as their ability to capture higher-dimensional relationships and extract robust feature representations, enhanced segmentation accuracy can be achieved. The proposed ONN model is evaluated on the marine debris archive (MARIDA) dataset, a comprehensive benchmark for marine debris segmentation. The results demonstrate that the proposed approach outperforms the state of the art, achieving remarkable improvements of 9.9% and 7.6% in terms of the intersection over union (IoU) and F1 metrics, respectively. Moreover, the ONN approach delivers performance similar to that of the real-valued architecture, while utilizing 1/13 of the network parameters.

Keywords:

Hypercomplex numbers

marine debris image segmentation

octonion neural networks (ONNs)

Marine Debris Segmentation Using a Parameter Efficient Octonion-Based Architecture

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