NG-Net: No-Grasp annotation grasp detection network for stacked scenes

Min Shi (), Jingzhao Hou (), Zhaoxin Li () and Dengming Zhu ()
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Min Shi: North China Electric Power University
Jingzhao Hou: North China Electric Power University
Zhaoxin Li: Chinese Academy of Agricultural Sciences
Dengming Zhu: Chinese Academy of Sciences

Journal of Intelligent Manufacturing, 2025, vol. 36, issue 2, No 35, 1477-1490

Abstract: Abstract Achieving a high grasping success rate in a stacked environment is the core of the robot’s grasping task. Most methods achieve a high grasping success rate by training the network on a dataset containing a large number of grasping annotations which requires a lot of manpower and material resources. Therefore, achieving a high grasping success rate for stacked scenes without grasping annotations is a challenging task. To address this, we propose a No-Grasp annotation grasp detection network for stacked scenes (NG-Net). Our network consists of two modules: an object selection module and a grasp generation module. Specifically, the object selection module performs instance segmentation on the raw point cloud to select the object with the highest score as the object to be grasped, and the grasp generation module uses mathematical methods to analyze the geometric features of the point cloud surface to achieve grasping pose generation without grasping annotations. Experiments show that on the modified IPA-Binpicking dataset G, NG-Net has an average grasp success rate of 97% in the stacked scene grasp experiment, 14–22% higher than PointNetGPD.

Keywords: Grasp detection; No-Grasp annotation; Stacked scenes; Robotic grasping (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s10845-024-02321-6

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