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Fast, collision-free motion through unknown environments remains a challenging problem for robotic systems. In these situations, the robot's ability to reason about its future motion is often severely limited by sensor field of view (FOV).…

Machine Learning · Computer Science 2018-03-07 Kapil Katyal , Katie Popek , Chris Paxton , Joseph Moore , Kevin Wolfe , Philippe Burlina , Gregory D. Hager

We present a novel trajectory traversability estimation and planning algorithm for robot navigation in complex outdoor environments. We incorporate multimodal sensory inputs from an RGB camera, 3D LiDAR, and the robot's odometry sensor to…

Natural environments such as forests and grasslands are challenging for robotic navigation because of the false perception of rigid obstacles from high grass, twigs, or bushes. In this work, we propose Wild Visual Navigation (WVN), an…

Robotics · Computer Science 2023-05-17 Jonas Frey , Matias Mattamala , Nived Chebrolu , Cesar Cadena , Maurice Fallon , Marco Hutter

The keep-growing content of Web images may be the next important data source to scale up deep neural networks, which recently obtained a great success in the ImageNet classification challenge and related tasks. This prospect, however, has…

Computer Vision and Pattern Recognition · Computer Science 2016-07-19 Phong D. Vo , Alexandru Ginsca , Hervé Le Borgne , Adrian Popescu

In this study, we address the off-road traversability estimation problem, that predicts areas where a robot can navigate in off-road environments. An off-road environment is an unstructured environment comprising a combination of…

Robotics · Computer Science 2024-02-26 Yurim Jeon , E In Son , Seung-Woo Seo

This study explores the potential of graph neural networks (GNNs) to enhance semantic segmentation across diverse image modalities. We evaluate the effectiveness of a novel GNN-based U-Net architecture on three distinct datasets: PascalVOC,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Aryan Singh , Pepijn Van de Ven , Ciarán Eising , Patrick Denny

We present a visual and inertial-based terrain classification network (VINet) for robotic navigation over different traversable surfaces. We use a novel navigation-based labeling scheme for terrain classification and generalization on…

Robotics · Computer Science 2023-03-03 Tianrui Guan , Ruitao Song , Zhixian Ye , Liangjun Zhang

To correct for respiratory motion in PET imaging, an interpretable and unsupervised deep learning technique, FlowNet-PET, was constructed. The network was trained to predict the optical flow between two PET frames from different breathing…

Image and Video Processing · Electrical Eng. & Systems 2022-08-04 Teaghan O'Briain , Carlos Uribe , Kwang Moo Yi , Jonas Teuwen , Ioannis Sechopoulos , Magdalena Bazalova-Carter

Current learning-based robot grasping approaches exploit human-labeled datasets for training the models. However, there are two problems with such a methodology: (a) since each object can be grasped in multiple ways, manually labeling grasp…

Machine Learning · Computer Science 2015-09-24 Lerrel Pinto , Abhinav Gupta

Learning robotic grasps from visual observations is a promising yet challenging task. Recent research shows its great potential by preparing and learning from large-scale synthetic datasets. For the popular, 6 degree-of-freedom (6-DOF)…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Chaozheng Wu , Jian Chen , Qiaoyu Cao , Jianchi Zhang , Yunxin Tai , Lin Sun , Kui Jia

We propose to take a novel approach to robot system design where each building block of a larger system is represented as a differentiable program, i.e. a deep neural network. This representation allows for integrating algorithmic planning…

Robotics · Computer Science 2018-07-19 Peter Karkus , David Hsu , Wee Sun Lee

Humans can robustly follow a visual trajectory defined by a sequence of images (i.e. a video) regardless of substantial changes in the environment or the presence of obstacles. We aim at endowing similar visual navigation capabilities to…

We propose a novel method, ProNav, which uses proprioceptive signals for traversability estimation in challenging outdoor terrains for autonomous legged robot navigation. Our approach uses sensor data from a legged robot's joint encoders,…

Robotics · Computer Science 2024-01-30 Mohamed Elnoor , Adarsh Jagan Sathyamoorthy , Kasun Weerakoon , Dinesh Manocha

Contemporary grasp detection approaches employ deep learning to achieve robustness to sensor and object model uncertainty. The two dominant approaches design either grasp-quality scoring or anchor-based grasp recognition networks. This…

Robotics · Computer Science 2021-12-16 Ruinian Xu , Fu-Jen Chu , Patricio A. Vela

Robot grasp typically follows five stages: object detection, object localisation, object pose estimation, grasp pose estimation, and grasp planning. We focus on object pose estimation. Our approach relies on three pieces of information:…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Sujal Vijayaraghavan , Redwan Alqasemi , Rajiv Dubey , Sudeep Sarkar

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…

Accurate distance estimation is a fundamental challenge in robotic perception, particularly in omnidirectional imaging, where traditional geometric methods struggle with lens distortions and environmental variability. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Yitong Quan , Benjamin Kiefer , Martin Messmer , Andreas Zell

Glaucomatous optic neuropathy (GON) is a prevalent ocular disease that can lead to irreversible vision loss if not detected early and treated. The traditional diagnostic approach for GON involves a set of ophthalmic examinations, which are…

Moving Object Detection (MOD) is an important task for achieving robust autonomous driving. An autonomous vehicle has to estimate collision risk with other interacting objects in the environment and calculate an optional trajectory.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Marie Yahiaoui , Hazem Rashed , Letizia Mariotti , Ganesh Sistu , Ian Clancy , Lucie Yahiaoui , Varun Ravi Kumar , Senthil Yogamani

Inspired by human behavior when traveling over unknown terrain, this study proposes the use of probing strategies and integrates them into a traversability analysis framework to address safe navigation on unknown rough terrain. Our…