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Fast and precise motion control is important for industrial robots in manufacturing applications. However, some collaborative robots sacrifice precision for safety, particular for high motion speed. The performance degradation is caused by…

Robotics · Computer Science 2019-08-12 Shuyang Chen , John T. Wen

We consider the problem of bearing-based visual homing: Given a mobile robot which can measure bearing directions with respect to known landmarks, the goal is to guide the robot toward a desired "home" location. We propose a control law…

Optimization and Control · Mathematics 2014-02-17 Roberto Tron , Kostas Daniilidis

Traditional imitation learning provides a set of methods and algorithms to learn a reward function or policy from expert demonstrations. Learning from demonstration has been shown to be advantageous for navigation tasks as it allows for…

Robotics · Computer Science 2021-08-03 Christian Ellis , Maggie Wigness , John G. Rogers , Craig Lennon , Lance Fiondella

Robots need to learn behaviors in intuitive and practical ways for widespread deployment in human environments. To learn a robot behavior end-to-end, we train a variant of the ResNet that maps eye-in-hand camera images to end-effector…

Robotics · Computer Science 2019-06-10 Akansel Cosgun , Thomas Rowntree , Ian Reid , Tom Drummond

Deep neural networks trained on demonstrations of human actions give robot the ability to perform self-driving on the road. However, navigation in a pedestrian-rich environment, such as a campus setup, is still challenging---one needs to…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Jing Bi , Tianyou Xiao , Qiuyue Sun , Chenliang Xu

Catching objects in-flight is an outstanding challenge in robotics. In this paper, we present a closed-loop control system fusing data from two sensor modalities: an RGB-D camera and a radar. To develop and test our method, we start with an…

Robotics · Computer Science 2020-01-29 Ozan Çatal , Lawrence De Mol , Tim Verbelen , Bart Dhoedt

This paper describes the application of a Convolutional Neural Network (CNN) in the context of a predator/prey scenario. The CNN is trained and run on data from a Dynamic and Active Pixel Sensor (DAVIS) mounted on a Summit XL robot (the…

Training robots to navigate diverse environments is a challenging problem as it involves the confluence of several different perception tasks such as mapping and localization, followed by optimal path-planning and control. Recently released…

Robotics · Computer Science 2021-01-07 Kaushik Balakrishnan , Punarjay Chakravarty , Shubham Shrivastava

Visual tracking is challenging due to image variations caused by various factors, such as object deformation, scale change, illumination change and occlusion. Given the superior tracking performance of human visual system (HVS), an ideal…

Computer Vision and Pattern Recognition · Computer Science 2019-04-24 Bolun Cai , Xiangmin Xu , Xiaofen Xing , Kui Jia , Jie Miao , Dacheng Tao

This study investigates how adequate coordination among the different cognitive processes of a humanoid robot can be developed through end-to-end learning of direct perception of visuomotor stream. We propose a deep dynamic neural network…

Artificial Intelligence · Computer Science 2017-06-09 Jungsik Hwang , Jun Tani

Many mobile robots rely on 2D laser scanners for localization, mapping, and navigation. However, those sensors are unable to correctly provide distance to obstacles such as glass panels and tables whose actual occupancy is invisible at the…

Robotics · Computer Science 2019-03-12 Jens Lundell , Francesco Verdoja , Ville Kyrki

Retinal image of surrounding objects varies tremendously due to the changes in position, size, pose, illumination condition, background context, occlusion, noise, and nonrigid deformations. But despite these huge variations, our visual…

Computer Vision and Pattern Recognition · Computer Science 2017-02-14 Saeed Reza Kheradpisheh , Mohammad Ganjtabesh , Timothée Masquelier

In this paper, we investigate the utility of head-mounted display (HMD) interfaces for navigation of mobile robots. We focus on the selection of waypoint positions for the robot, whilst maintaining an egocentric view of the robot's…

Robotics · Computer Science 2020-03-31 Greg Baker , Tom Bridgwater , Paul Bremner , Manuel Giuliani

Imitation learning is an effective approach for autonomous systems to acquire control policies when an explicit reward function is unavailable, using supervision provided as demonstrations from an expert, typically a human operator.…

Machine Learning · Computer Science 2018-06-20 YuXuan Liu , Abhishek Gupta , Pieter Abbeel , Sergey Levine

One of the long-term challenges of robotics is to enable robots to interact with humans in the visual world via natural language, as humans are visual animals that communicate through language. Overcoming this challenge requires the ability…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Yuankai Qi , Qi Wu , Peter Anderson , Xin Wang , William Yang Wang , Chunhua Shen , Anton van den Hengel

Biological studies show that hummingbirds can perform extreme aerobatic maneuvers during fast escape. Given a sudden looming visual stimulus at hover, a hummingbird initiates a fast backward translation coupled with a 180-degree yaw turn,…

Robotics · Computer Science 2019-02-27 Fan Fei , Zhan Tu , Jian Zhang , Xinyan Deng

Robots coexisting with humans in their environment and performing services for them need the ability to interact with them. One particular requirement for such robots is that they are able to understand spatial relations and can place…

Robotics · Computer Science 2020-02-24 Oier Mees , Alp Emek , Johan Vertens , Wolfram Burgard

This paper will detail the basis of our previously developed predictive model for pigeon flight paths based on observations of the specific individual being predicted. We will then describe how this model can be adapted to predict the…

Quantitative Methods · Quantitative Biology 2016-04-22 Richard P. Mann

In this paper, we present a deep reinforcement learning method for quadcopter bypassing the obstacle on the flying path. In the past study, the algorithm only controls the forward direction about quadcopter. In this letter, we use two…

Artificial Intelligence · Computer Science 2018-11-13 Tung-Cheng Wu , Shau-Yin Tseng , Chin-Feng Lai , Chia-Yu Ho , Ying-Hsun Lai

Despite the progress in legged robotic locomotion, autonomous navigation in unknown environments remains an open problem. Ideally, the navigation system utilizes the full potential of the robots' locomotion capabilities while operating…

Robotics · Computer Science 2023-02-15 Jonas Frey , David Hoeller , Shehryar Khattak , Marco Hutter