BoRe-Depth: Self-supervised Monocular Depth Estimation with Boundary Refinement for Embedded Systems

• URL: http://arxiv.org/abs/2511.04388v1
• Date: Thu, 06 Nov 2025 14:17:33 GMT
• Title: BoRe-Depth: Self-supervised Monocular Depth Estimation with Boundary Refinement for Embedded Systems
• Authors: Chang Liu, Juan Li, Sheng Zhang, Chang Liu, Jie Li, Xu Zhang,
• Abstract summary: We propose a novel monocular depth estimation model, BoRe-Depth, which contains only 8.7M parameters.<n>It can accurately estimate depth maps on embedded systems and significantly improves boundary quality.<n>BoRe-Depth is deployed on NVIDIA Jetson Orin, and runs efficiently at 50.7 FPS.
• Score: 14.113247032011282
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Depth estimation is one of the key technologies for realizing 3D perception in unmanned systems. Monocular depth estimation has been widely researched because of its low-cost advantage, but the existing methods face the challenges of poor depth estimation performance and blurred object boundaries on embedded systems. In this paper, we propose a novel monocular depth estimation model, BoRe-Depth, which contains only 8.7M parameters. It can accurately estimate depth maps on embedded systems and significantly improves boundary quality. Firstly, we design an Enhanced Feature Adaptive Fusion Module (EFAF) which adaptively fuses depth features to enhance boundary detail representation. Secondly, we integrate semantic knowledge into the encoder to improve the object recognition and boundary perception capabilities. Finally, BoRe-Depth is deployed on NVIDIA Jetson Orin, and runs efficiently at 50.7 FPS. We demonstrate that the proposed model significantly outperforms previous lightweight models on multiple challenging datasets, and we provide detailed ablation studies for the proposed methods. The code is available at https://github.com/liangxiansheng093/BoRe-Depth.

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