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Pseudo-Siamese Graph Matching Network for Textureless Objects' 6-D Pose Estimation
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DOI：10.1109/TIE.2021.3070501.png)
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摘要
En 中文
Pose estimation is an essential technology for product grasping and assembly in intelligent manufacturing. Finding local correspondences between the 2-D image and the 3-D model is the key step to estimate the 6-D pose of an object. However, when the objects are textureless, it is difficult to identify distinguishable point features. In this article, we propose a novel deep learning framework called the pseudo-Siamese graph matching network to tackle the problem of feature matching of textureless objects and estimate accurate object poses with a single RGB-only image. We utilize a pseudo-Siamese network structure to learn the similarity between the 2-D image features and the 3-D mesh model of the object. A fully convolutional network and a graph convolutional network are used to extract high-dimensional deep features of the 2-D image and the 3-D model, respectively. Dense 2-D-3-D correspondences are inferred using the pseudo-Siamese matching network. Then, the pose of the object is calculated by the Perspective-n-Point and random sample consensus (RANSAC) methods. Experiments on the LINEMOD dataset and a grasping task for metal part show the accuracy and robustness of our proposed method.(1)
Keyword:
Three-dimensional displays
Two dimensional displays
Solid modeling
Pose estimation
Feature extraction
Cameras
Task analysis
Feature matching
graph convolutional network (GCN)
pose estimation
pseudo-Siamese network
textureless object
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期刊
IF:
7.2
论文数:
1.8W
被引数:
9.8W
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