Accurate pipe pose estimation plays a pivotal role in the automatic assembly of pipelines. Recently, data-driven deep neural networks have been proven capable of estimating pose. Nonetheless, a large number… Click to show full abstract
Accurate pipe pose estimation plays a pivotal role in the automatic assembly of pipelines. Recently, data-driven deep neural networks have been proven capable of estimating pose. Nonetheless, a large number of labeled datasets are required during the training process. One effective solution is to estimate pose using self-supervised learning. However, existing algorithms are difficult to deal with textureless objects (like pipes), and they avoid the occlusion problem. To this end, in this article, we propose a latent representation self-supervised pose network (LSPN) for accurate monocular pipe pose estimation. We train our network with synthetic RGB (Red, Green, Blue) data, where only a few labeled samples are used to establish the latent pose space, whereas a large number of structured unlabeled samples are used to learn latent pose representation in self-supervised learning. Experiments demonstrate that LSPN achieves excellent performance on real data and is robust to different environments, such as illumination changes and self-occlusion.
               
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