Scale-Invariant Monocular Depth Estimation via SSI Depth

• URL: http://arxiv.org/abs/2406.09374v1
• Date: Thu, 13 Jun 2024 17:52:47 GMT
• Title: Scale-Invariant Monocular Depth Estimation via SSI Depth
• Authors: S. Mahdi H. Miangoleh, Mahesh Reddy, Yağız Aksoy,
• Abstract summary: Current methods for scale-invariant monocular depth estimation (SI MDE) often struggle due to the complexity of the task. We present a novel approach that leverages SSI inputs to enhance SI depth estimation, streamlining the network's role and facilitating in-the-wild generalization.
• Score: 0.6554326244334868
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Existing methods for scale-invariant monocular depth estimation (SI MDE) often struggle due to the complexity of the task, and limited and non-diverse datasets, hindering generalizability in real-world scenarios. This is while shift-and-scale-invariant (SSI) depth estimation, simplifying the task and enabling training with abundant stereo datasets achieves high performance. We present a novel approach that leverages SSI inputs to enhance SI depth estimation, streamlining the network's role and facilitating in-the-wild generalization for SI depth estimation while only using a synthetic dataset for training. Emphasizing the generation of high-resolution details, we introduce a novel sparse ordinal loss that substantially improves detail generation in SSI MDE, addressing critical limitations in existing approaches. Through in-the-wild qualitative examples and zero-shot evaluation we substantiate the practical utility of our approach in computational photography applications, showcasing its ability to generate highly detailed SI depth maps and achieve generalization in diverse scenarios.

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