Self-Supervised Monocular Depth Estimation with Internal Feature Fusion

• URL: http://arxiv.org/abs/2110.09482v2
• Date: Wed, 20 Oct 2021 13:20:26 GMT
• Title: Self-Supervised Monocular Depth Estimation with Internal Feature Fusion
• Authors: Hang Zhou, David Greenwood, Sarah Taylor
• Abstract summary: Self-supervised learning for depth estimation uses geometry in image sequences for supervision. We propose a novel depth estimation networkDIFFNet, which can make use of semantic information in down and upsampling procedures.
• Score: 12.874712571149725
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Self-supervised learning for depth estimation uses geometry in image sequences for supervision and shows promising results. Like many computer vision tasks, depth network performance is determined by the capability to learn accurate spatial and semantic representations from images. Therefore, it is natural to exploit semantic segmentation networks for depth estimation. In this work, based on a well-developed semantic segmentation network HRNet, we propose a novel depth estimation networkDIFFNet, which can make use of semantic information in down and upsampling procedures. By applying feature fusion and an attention mechanism, our proposed method outperforms the state-of-the-art monocular depth estimation methods on the KITTI benchmark. Our method also demonstrates greater potential on higher resolution training data. We propose an additional extended evaluation strategy by establishing a test set of challenging cases, empirically derived from the standard benchmark.

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