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Learning to navigate in unstructured environments is a challenging task for robots. While reinforcement learning can be effective, it often requires extensive data collection and can pose risk. Learning from expert demonstrations, on the…

Robotics · Computer Science 2024-12-31 Nimrod Curtis , Osher Azulay , Avishai Sintov

This paper studies the problem of predicting future trajectories of people in unseen cameras of novel scenarios and views. We approach this problem through the real-data-free setting in which the model is trained only on 3D simulation data…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Junwei Liang , Lu Jiang , Alexander Hauptmann

Target-driven visual navigation is a challenging problem that requires a robot to find the goal using only visual inputs. Many researchers have demonstrated promising results using deep reinforcement learning (deep RL) on various robotic…

Robotics · Computer Science 2021-06-08 Qian Luo , Maks Sorokin , Sehoon Ha

For the most comfortable, human-aware robot navigation, subjective user preferences need to be taken into account. This paper presents a novel reinforcement learning framework to train a personalized navigation controller along with an…

Robotics · Computer Science 2022-10-05 Jorge de Heuvel , Nathan Corral , Lilli Bruckschen , Maren Bennewitz

Beyond novel view synthesis, Neural Radiance Fields are useful for applications that interact with the real world. In this paper, we use them as an implicit map of a given scene and propose a camera relocalization algorithm tailored for…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Arthur Moreau , Nathan Piasco , Moussab Bennehar , Dzmitry Tsishkou , Bogdan Stanciulescu , Arnaud de La Fortelle

To successfully tackle challenging manipulation tasks, autonomous agents must learn a diverse set of skills and how to combine them. Recently, self-supervised agents that set their own abstract goals by exploiting the discovered structure…

Machine Learning · Computer Science 2022-02-01 Andrii Zadaianchuk , Georg Martius , Fanny Yang

A core challenge for an agent learning to interact with the world is to predict how its actions affect objects in its environment. Many existing methods for learning the dynamics of physical interactions require labeled object information.…

Machine Learning · Computer Science 2016-10-19 Chelsea Finn , Ian Goodfellow , Sergey Levine

Complex and contact-rich robotic manipulation tasks, particularly those that involve multi-fingered hands and underactuated object manipulation, present a significant challenge to any control method. Methods based on reinforcement learning…

Machine Learning · Computer Science 2022-12-21 Kelvin Xu , Zheyuan Hu , Ria Doshi , Aaron Rovinsky , Vikash Kumar , Abhishek Gupta , Sergey Levine

Many high-level skills that are required for computer vision tasks, such as parsing questions, comparing and contrasting semantics, and writing descriptions, are also required in other domains such as natural language processing. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Sophia Gu , Christopher Clark , Aniruddha Kembhavi

Vision-and-Language Navigation (VLN) requires an agent to follow natural-language instructions, explore the given environments, and reach the desired target locations. These step-by-step navigational instructions are crucial when the agent…

Computation and Language · Computer Science 2020-05-08 Yubo Zhang , Hao Tan , Mohit Bansal

Self-supervised methods, wherein an agent learns representations solely by observing the results of its actions, become crucial in environments which do not provide a dense reward signal or have labels. In most cases, such methods are used…

Machine Learning · Computer Science 2019-07-01 Evan Racah , Christopher Pal

In this work, an existing deep neural network approach for determining a robot's pose from visual information (RGB images) is modified, improving its localization performance without impacting its ease of training. Explicitly, the network's…

Robotics · Computer Science 2025-09-18 Isaac Ronald Ward

Current unsupervised image-to-image translation techniques struggle to focus their attention on individual objects without altering the background or the way multiple objects interact within a scene. Motivated by the important role of…

Computer Vision and Pattern Recognition · Computer Science 2018-11-15 Youssef A. Mejjati , Christian Richardt , James Tompkin , Darren Cosker , Kwang In Kim

Humans effortlessly "program" one another by communicating goals and desires in natural language. In contrast, humans program robotic behaviours by indicating desired object locations and poses to be achieved, by providing RGB images of…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Hsiao-Yu Fish Tung , Adam W. Harley , Liang-Kang Huang , Katerina Fragkiadaki

How can a robot navigate successfully in rich and diverse environments, indoors or outdoors, along office corridors or trails on the grassland, on the flat ground or the staircase? To this end, this work aims to address three challenges:…

Robotics · Computer Science 2022-06-01 Bo Ai , Wei Gao , Vinay , David Hsu

The Vision-and-Language Navigation (VLN) task entails an agent following navigational instruction in photo-realistic unknown environments. This challenging task demands that the agent be aware of which instruction was completed, which…

Artificial Intelligence · Computer Science 2019-01-11 Chih-Yao Ma , Jiasen Lu , Zuxuan Wu , Ghassan AlRegib , Zsolt Kira , Richard Socher , Caiming Xiong

Vision-and-language navigation (VLN) requires an embodied agent to navigate in realistic 3D environments using natural language instructions. Existing VLN methods suffer from training on small-scale environments or unreasonable…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Kunyang Lin , Peihao Chen , Diwei Huang , Thomas H. Li , Mingkui Tan , Chuang Gan

Implicit representations such as Neural Radiance Fields (NeRF) have been shown to be very effective at novel view synthesis. However, these models typically require manual and careful human data collection for training. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Pierre Marza , Laetitia Matignon , Olivier Simonin , Dhruv Batra , Christian Wolf , Devendra Singh Chaplot

Brain-computer interface (BCI) systems have potential as assistive technologies for individuals with severe motor impairments. Nevertheless, individuals must first participate in many training sessions to obtain adequate data for optimizing…

Signal Processing · Electrical Eng. & Systems 2019-12-11 Behnam Reyhani-Masoleh , Tom Chau

We present a scalable approach for learning open-world object-goal navigation (ObjectNav) -- the task of asking a virtual robot (agent) to find any instance of an object in an unexplored environment (e.g., "find a sink"). Our approach is…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Arjun Majumdar , Gunjan Aggarwal , Bhavika Devnani , Judy Hoffman , Dhruv Batra