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FusedWSS: Water Surface Segmentation Fusing Machine Learning and Geometric Cues | IEEE Conference Publication | IEEE Xplore

FusedWSS: Water Surface Segmentation Fusing Machine Learning and Geometric Cues

Publisher: IEEE

Abstract:

Navigating unmanned surface vehicles (USVs) in urban waterways presents unique challenges due to irregular waterlines, obstacles, and reflections in the water. Determinin...View more

Abstract:

Navigating unmanned surface vehicles (USVs) in urban waterways presents unique challenges due to irregular waterlines, obstacles, and reflections in the water. Determining the collision-free navigable area is crucial to enable safe USV operation. This paper introduces Fused Water Surface Segmentation (FusedWSS), a novel approach to water surface segmentation that aims to enhance navigation capabilities for USVs in complex harbor environments using a stereo camera. The method locates the water plane by performing plane fitting with outlier rejection and plane validation on the reconstructed 3D point cloud. From the plane parameters, the virtual horizon line is inferred and used for point cloud and image cropping. The water surface mask and virtual horizon line are fused with a deep learningbased semantic segmentation method to produce accurate and reliable water masks for each image frame. Additional refinement of the water mask is performed using detected obstacle masks. Validation was carried out using data from the MilliAmpere 2 autonomous ferry prototype in Trondheim, Norway, and a publicly available maritime dataset, demonstrating the efficacy of the methods.
Date of Conference: 08-11 July 2024
Date Added to IEEE Xplore: 11 October 2024
ISBN Information:
Publisher: IEEE
Conference Location: Venice, Italy

Funding Agency:


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