Yihan Hu, Heng Luo, Yifeng Geng

Sep 27, 2018 ICLR 2019 Conference Withdrawn Submission readers: everyone
  • Abstract: Unsupervised monocular depth estimation has made great progress after deep learning is involved. Training with binocular stereo images is considered as a good option as the data can be easily obtained. However, the depth or disparity prediction results show poor performance for the object boundaries. The main reason is related to the handling of occlusion areas during the training. In this paper, we propose a novel method to overcome this issue. Exploiting disparity maps property, we generate an occlusion mask to block the back-propagation of the occlusion areas during image warping. We also design new networks with flipped stereo images to induce the networks to learn occluded boundaries. It shows that our method achieves clearer boundaries and better evaluation results on KITTI driving dataset and Virtual KITTI dataset.
  • Keywords: monocular depth estimation, unsupervised learning, image warping
  • TL;DR: This paper propose a mask method which solves the previous blurred results of unsupervised monocular depth estimation caused by occlusion
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