2018 IEEE International Conference on Multimedia and Expo (ICME)
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Abstract

This paper addresses the problem of depth estimation from a single RGB image. Previous methods mainly focus on the problems of depth prediction accuracy and output depth resolution, but seldom of them can tackle these two problems well. Here, we present a novel depth estimation framework based on deep convolutional neural network (CNN) to learn the mapping between monocular images and depth maps. The proposed architecture can be divided into two components, i.e., depth prediction and depth enhancement sub-networks. We first design a depth prediction network based on the ResNet architecture to infer the scene depth from color image. Then, a depth enhancement network is concatenated to the end of the depth prediction network to obtain a high resolution depth map. Experimental results show that the proposed method outperforms other methods on benchmark RGB-D datasets and achieves state-of-the-art performance.
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