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The choice of a grasp plays a critical role in the success of downstream manipulation tasks. Consider a task of placing an object in a cluttered scene; the majority of possible grasps may not be suitable for the desired placement. In this…

Robotics · Computer Science 2023-04-11 Zhanpeng He , Nikhil Chavan-Dafle , Jinwook Huh , Shuran Song , Volkan Isler

Grasping in cluttered scenes has always been a great challenge for robots, due to the requirement of the ability to well understand the scene and object information. Previous works usually assume that the geometry information of the objects…

Robotics · Computer Science 2021-09-28 Yiming Li , Tao Kong , Ruihang Chu , Yifeng Li , Peng Wang , Lei Li

Although, in the task of grasping via a data-driven method, closed-loop feedback and predicting 6 degrees of freedom (DoF) grasp rather than conventionally used 4DoF top-down grasp are demonstrated to improve performance individually, few…

Robotics · Computer Science 2022-06-22 Dongwon Son

Attention control is a key cognitive ability for humans to select information relevant to the current task. This paper develops a computational model of attention and an algorithm for attention-based probabilistic planning in Markov…

Robotics · Computer Science 2020-12-02 Haoxiang Ma , Jie Fu

To realize a robust robotic grasping system for unknown objects in an unstructured environment, large amounts of grasp data and 3D model data for the object are required, the sizes of which directly affect the rate of successful grasps. To…

Robotics · Computer Science 2021-02-02 Gang Peng , Zhenyu Ren , Hao Wang , Xinde Li

Learning generalizable skills in robotic manipulation has long been challenging due to real-world sized observation and action spaces. One method for addressing this problem is attention focus -- the robot learns where to attend its sensors…

Robotics · Computer Science 2020-03-05 Marcus Gualtieri , Robert Platt

As the number of the robot's degrees of freedom increases, the implementation of robot motion becomes more complex and difficult. In this study, we focus on learning 6DOF-grasping motion and consider dividing the grasping motion into…

Robotics · Computer Science 2021-03-24 Daichi Kawakami , Ryoichi Ishikawa , Menandro Roxas , Yoshihiro Sato , Takeshi Oishi

Robotic grasping aims to detect graspable points and their corresponding gripper configurations in a particular scene, and is fundamental for robot manipulation. Existing research works have demonstrated the potential of using a transformer…

Robotics · Computer Science 2023-01-31 Zhenjie Zhao , Hang Yu , Hang Wu , Xuebo Zhang

Grasping in cluttered environments is a fundamental but challenging robotic skill. It requires both reasoning about unseen object parts and potential collisions with the manipulator. Most existing data-driven approaches avoid this problem…

Robotics · Computer Science 2020-05-22 Adithyavairavan Murali , Arsalan Mousavian , Clemens Eppner , Chris Paxton , Dieter Fox

Robotic grasping, the ability of robots to reliably secure and manipulate objects of varying shapes, sizes and orientations, is a complex task that requires precise perception and control. Deep neural networks have shown remarkable success…

Robotic manipulation systems operating in complex environments rely on perception systems that provide information about the geometry (pose and 3D shape) of the objects in the scene along with other semantic information such as object…

Robotics · Computer Science 2023-05-17 Shubham Agrawal , Nikhil Chavan-Dafle , Isaac Kasahara , Selim Engin , Jinwook Huh , Volkan Isler

Intelligent manipulation benefits from the capacity to flexibly control an end-effector with high degrees of freedom (DoF) and dynamically react to the environment. However, due to the challenges of collecting effective training data and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Shuran Song , Andy Zeng , Johnny Lee , Thomas Funkhouser

We address the problem of robotic grasping of known and unknown objects using implicit behavior cloning. We train a grasp evaluation model from a small number of demonstrations that outputs higher values for grasp candidates that are more…

Robotics · Computer Science 2024-01-17 Gergely Sóti , Xi Huang , Christian Wurll , Björn Hein

This paper presents a comprehensive survey on vision-based robotic grasping. We conclude three key tasks during vision-based robotic grasping, which are object localization, object pose estimation and grasp estimation. In detail, the object…

Robotics · Computer Science 2020-12-24 Guoguang Du , Kai Wang , Shiguo Lian , Kaiyong Zhao

Grasping is among the most fundamental and long-lasting problems in robotics study. This paper studies the problem of 6-DoF(degree of freedom) grasping by a parallel gripper in a cluttered scene captured using a commodity depth sensor from…

Robotics · Computer Science 2019-11-01 Yuzhe Qin , Rui Chen , Hao Zhu , Meng Song , Jing Xu , Hao Su

Generating grasp poses is a crucial component for any robot object manipulation task. In this work, we formulate the problem of grasp generation as sampling a set of grasps using a variational autoencoder and assess and refine the sampled…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Arsalan Mousavian , Clemens Eppner , Dieter Fox

Nowadays robots play an increasingly important role in our daily life. In human-centered environments, robots often encounter piles of objects, packed items, or isolated objects. Therefore, a robot must be able to grasp and manipulate…

Robotics · Computer Science 2022-10-06 Hamidreza Kasaei , Mohammadreza Kasaei

In this paper, we explore whether a robot can learn to regrasp a diverse set of objects to achieve various desired grasp poses. Regrasping is needed whenever a robot's current grasp pose fails to perform desired manipulation tasks. Endowing…

Robotics · Computer Science 2021-11-18 Shuo Cheng , Kaichun Mo , Lin Shao

Robot learning is often simplified to planar manipulation due to its data consumption. Then, a common approach is to use a fully-convolutional neural network to estimate the reward of grasp primitives. In this work, we extend this approach…

Robotics · Computer Science 2024-11-22 Lars Berscheid , Christian Friedrich , Torsten Kröger

Robotic grasping is a primitive skill for complex tasks and is fundamental to intelligence. For general 6-Dof grasping, most previous methods directly extract scene-level semantic or geometric information, while few of them consider the…

Robotics · Computer Science 2024-10-08 Pengwei Xie , Siang Chen , Wei Tang , Dingchang Hu , Wenming Yang , Guijin Wang
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