Grasp Detection under Occlusions Using SIFT Features

Zhaojun Ye, Yi Guo, Chengguang Wang, Haohui Huang, Genke Yang and Zhenyu Lu

Complexity, 2021, vol. 2021, 1-12

Abstract: Distinguishing target object under occlusions has become the forefront of research to cope with grasping study in general. In this paper, a novel framework which is able to be utilized for a parallel robotic gripper is proposed. There are two key steps for the proposed method in the process of grasping occluded object: generating template information and grasp detection using the matching algorithm. A neural network, trained by the RGB-D data from the Cornell Grasp Dataset, predicts multiple grasp rectangles on template images. A proposed matching algorithm is utilized to eliminate the influence caused by occluded parts on scene images and generates multiple grasp rectangles for objects under occlusions using the grasp information of matched template images. In order to improve the quality of matching result, the proposed matching algorithm improves the SIFT algorithm and combines it with the improved RANSAC algorithm. In this way, this paper obtains suitable grasp rectangles on scene images and offers a new thought about grasping detection under occlusions. The validation results show the effectiveness and efficiency of this approach.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:7619794

DOI: 10.1155/2021/7619794

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