Deep Planar Parallax for Monocular Depth Estimation

Haoqian Liang, Zhichao Li, Ya Yang, Naiyan Wang
1/9/2023
cs.CV

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Abstract

Recent research has highlighted the utility of Planar Parallax Geometry in monocular depth estimation. However, its potential has yet to be fully realized because networks rely heavily on appearance for depth prediction. Our in-depth analysis reveals that utilizing flow-pretrain can optimize the network's usage of consecutive frame modeling, leading to substantial performance enhancement. Additionally, we propose Planar Position Embedding (PPE) to handle dynamic objects that defy static scene assumptions and to tackle slope variations that are challenging to differentiate. Comprehensive experiments on autonomous driving datasets, namely KITTI and the Waymo Open Dataset (WOD), prove that our Planar Parallax Network (PPNet) significantly surpasses existing learning-based methods in performance.

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Cite this paper

@article{liang2023deep,
  title  = {Deep Planar Parallax for Monocular Depth Estimation},
  author = {Haoqian Liang and Zhichao Li and Ya Yang and Naiyan Wang},
  year   = {2023},
  eprint = {2301.03178},
  archivePrefix = {arXiv},
  url    = {http://arxiv.org/abs/2301.03178v2}
}

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