Monocular depth estimation using Convolutional Neural Networks (CNNs) has shown impressive performance in outdoor driving scenes. However, self-supervised learning of indoor depth from monocular sequences is quite challenging for researchers because of the following two main reasons. One is the large areas of low-texture regions and the other is the complex ego-motion on indoor training datasets. In this work, our proposed method, named IndoorDepth, consists of two innovations. In particular, we first propose a novel photometric loss with improved structural similarity (SSIM) function to tackle the challenge from low-texture regions. Moreover, in order to further mitigate the issue of inaccurate ego-motion prediction, multiple photometric losses at different stages are used to train a deeper pose network with two residual pose blocks. Subsequent ablation study can validate the effectiveness of each new idea. Experiments on the NYUv2 benchmark demonstrate that our IndoorDepth outperforms the previous state-of-the-art methods by a large margin. In addition, we also validate the generalization ability of our method on ScanNet dataset. Code is availabe at https://github.com/fcntes/IndoorDepth.

室内深度自动估计的自我监督学习是困难的，挑战主要集中在大面积低纹理区域和复杂的内部训练数据上。本文提出了一种名为IndoorDepth的新方法，包括两个创新点：首先，我们提出了一种改进的结构相似（SSIM）功能的新颖光度损失函数，用于应对低纹理区域的挑战；此外，为了进一步减轻不准确的自身运动预测问题，我们使用多个不同阶段的光度损失进行训练，以构建更深的姿态网络。通过对实验的深入研究，我们验证了每个新想法的有效性。在NYUv2基准测试中，我们的IndoorDepth方法在性能上超过了之前的最新方法。此外，我们还在ScanNet数据集上验证了我们的方法的泛化能力。

深入自监督单目室内深度估计