Deep Direct Visual Odometry
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Monocular direct visual odometry (DVO) relies heavily on high-quality images and good initial pose estimation for accuracy tracking process, which means that DVO may fail if the image quality is poor or the initial value is incorrect. In this study, we present a new architecture to overcome the above limitations by embedding deep learning into DVO. A novel self-supervised network architecture for effectively predicting 6-DOF pose is proposed in this paper, and we incorporate the pose prediction into Direct Sparse Odometry (DSO) for robust initialization and tracking process. Furthermore, the attention mechanism is included to select useful features for accurate pose regression. The experiments on the KITTI dataset show that the proposed network achieves an outstanding performance compared with previous self-supervised methods, and the integration with pose network makes the initialization and tracking of DSO more robust and accurate.
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