Learning-Based Underwater Autonomous Grasping via 3D Point Cloud
OCEANS 2021: San Diego – Porto(2021)
摘要
Underwater autonomous grasping is a challenging task for robotic research. In this paper, we propose a learning-based underwater grasping method using 3D point cloud generated from an underwater stereo camera. First, we use Pinax-model for accurate refraction correction of a stereo camera in a flat-pane housing. Second, dense point cloud of the target is generated using the calibrated stereo images. An improved Grasp Pose Detection (GPD) method is then developed to generate the candidate grasping poses and select the best one based on kinematic constraints. Finally, an optimal trajectory is planned to finish the grasping task. Experiments in a water tank have proved the effectiveness of our method.
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关键词
Grasp Pose Detection (GPD),underwater grasping,stereo camera,3D point cloud
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