Title
Total Singulation With Modular Reinforcement Learning
Abstract
Prehensile robotic grasping of a target object in clutter is challenging because, in such conditions, the target touches other objects, resulting to the lack of collision free grasp affordances. To address this problem, we propose a modular reinforcement learning method which uses continuous actions to totally singulate the target object from its surrounding clutter. A high level policy selects between pushing primitives, which are learned separately. Prior knowledge is effectively incorporated into learning, through action primitives and feature selection, increasing sample efficiency. Experiments demonstrate that the proposed method considerably outperforms the state-of-the-art methods in the singulation task. Furthermore, although training is performed in simulation the learned policy is robustly transferred to a real environment without a significant drop in success rate. Finally, singulation tasks in different environments are addressed by easily adding a new primitive and by retraining only the high level policy.
Year
DOI
Venue
2021
10.1109/LRA.2021.3062295
IEEE ROBOTICS AND AUTOMATION LETTERS
Keywords
DocType
Volume
Deep learning in grasping and manipulation, perception for grasping and manipulation
Journal
6
Issue
ISSN
Citations 
2
2377-3766
0
PageRank 
References 
Authors
0.34
0
4
Name
Order
Citations
PageRank
Iason Sarantopoulos132.49
Kiatos Marios201.01
Zoe Doulgeri333247.11
Sotiris Malassiotis401.35