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Image goal navigation requires two different skills: firstly, core navigation skills, including the detection of free space and obstacles, and taking decisions based on an internal representation; and secondly, computing directional…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Gianluca Monaci , Philippe Weinzaepfel , Christian Wolf

We present a robot navigation system that uses an imitation learning framework to successfully navigate in complex environments. Our framework takes a pre-built 3D scan of a real environment and trains an agent from pre-generated expert…

Robotics · Computer Science 2020-09-28 David Watkins-Valls , Jingxi Xu , Nicholas Waytowich , Peter Allen

We use model-free reinforcement learning, extensive simulation, and transfer learning to develop a continuous control algorithm that has good zero-shot performance in a real physical environment. We train a simulated agent to act optimally…

Artificial Intelligence · Computer Science 2018-03-09 M Ferguson , K. H. Law

Due to the lack of enough real multi-agent data and time-consuming of labeling, existing multi-agent cooperative perception algorithms usually select the simulated sensor data for training and validating. However, the perception performance…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Jinlong Li , Runsheng Xu , Xinyu Liu , Baolu Li , Qin Zou , Jiaqi Ma , Hongkai Yu

Embodied navigation holds significant promise for real-world applications such as last-mile delivery. However, most existing approaches are confined to either indoor or outdoor environments and rely heavily on strong assumptions, such as…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Yuxiang Zhao , Yirong Yang , Yanqing Zhu , Yanfen Shen , Chiyu Wang , Zhining Gu , Pei Shi , Wei Guo , Mu Xu

Agents navigating in 3D environments require some form of memory, which should hold a compact and actionable representation of the history of observations useful for decision taking and planning. In most end-to-end learning approaches the…

Robotics · Computer Science 2023-10-02 Guillaume Bono , Leonid Antsfeld , Assem Sadek , Gianluca Monaci , Christian Wolf

Deep reinforcement learning has recently seen huge success across multiple areas in the robotics domain. Owing to the limitations of gathering real-world data, i.e., sample inefficiency and the cost of collecting it, simulation environments…

Machine Learning · Computer Science 2021-07-09 Wenshuai Zhao , Jorge Peña Queralta , Tomi Westerlund

This paper presents a framework for training an agent to actively request help in object-goal navigation tasks, with feedback indicating the location of the target object in its field of view. To make the agent more robust in scenarios…

Machine Learning · Computer Science 2023-03-29 Jenny Zhang , Samson Yu , Jiafei Duan , Cheston Tan

We present IndoorSim-to-OutdoorReal (I2O), an end-to-end learned visual navigation approach, trained solely in simulated short-range indoor environments, and demonstrates zero-shot sim-to-real transfer to the outdoors for long-range…

Robotics · Computer Science 2023-05-11 Joanne Truong , April Zitkovich , Sonia Chernova , Dhruv Batra , Tingnan Zhang , Jie Tan , Wenhao Yu

One of the main goals of robotics and intelligent agent research is to enable natural communication with humans in physically situated settings. While recent work has focused on verbal modes such as language and speech, non-verbal…

Robotics · Computer Science 2025-09-17 Anna Deichler , Siyang Wang , Simon Alexanderson , Jonas Beskow

We study lifelong visual perception in an embodied setup, where we develop new models and compare various agents that navigate in buildings and occasionally request annotations which, in turn, are used to refine their visual perception…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 David Nilsson , Aleksis Pirinen , Erik Gärtner , Cristian Sminchisescu

Simulation offers a scalable and efficient alternative to real-world data collection for learning visuomotor robotic policies. However, the simulation-to-reality, or Sim2Real distribution shift -- introduced by employing simulation-trained…

Robotics · Computer Science 2025-09-09 Yash Yardi , Samuel Biruduganti , Lars Ankile

In this paper, we introduce the notion of neural simulation gap functions, which formally quantifies the gap between the mathematical model and the model in the high-fidelity simulator, which closely resembles reality. Many times, a…

Systems and Control · Electrical Eng. & Systems 2025-06-24 P Sangeerth , Pushpak Jagtap

Spatial reasoning in partially observable environments has often been approached through passive predictive models, yet theories of embodied cognition suggest that genuinely useful representations arise only when perception is tightly…

Artificial Intelligence · Computer Science 2025-04-29 Li Jin , Liu Jia

Accurate and robust state estimation is critical for autonomous navigation of robot teams. This task is especially challenging for large groups of size, weight, and power (SWAP) constrained aerial robots operating in perceptually-degraded…

Robotics · Computer Science 2023-05-30 Igor Spasojevic , Xu Liu , Alejandro Ribeiro , George J. Pappas , Vijay Kumar

Training robots for operation in the real world is a complex, time consuming and potentially expensive task. Despite significant success of reinforcement learning in games and simulations, research in real robot applications has not been…

Artificial Intelligence · Computer Science 2017-09-28 Markus Wulfmeier , Ingmar Posner , Pieter Abbeel

Current research directions in deep reinforcement learning include bridging the simulation-reality gap, improving sample efficiency of experiences in distributed multi-agent reinforcement learning, together with the development of robust…

Machine Learning · Computer Science 2020-08-19 Wenshuai Zhao , Jorge Peña Queralta , Li Qingqing , Tomi Westerlund

The rapid advancement of Embodied AI has led to an increasing demand for large-scale, high-quality real-world data. However, collecting such embodied data remains costly and inefficient. As a result, simulation environments have become a…

The gap between simulation and the real-world restrains many machine learning breakthroughs in computer vision and reinforcement learning from being applicable in the real world. In this work, we tackle this gap for the specific case of…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Klaas Kelchtermans , Tinne Tuytelaars

Sim-to-real transfer remains a significant challenge in robotics due to the discrepancies between simulated and real-world dynamics. Traditional methods like Domain Randomization often fail to capture fine-grained dynamics, limiting their…

Robotics · Computer Science 2025-03-04 Xilun Zhang , Shiqi Liu , Peide Huang , William Jongwon Han , Yiqi Lyu , Mengdi Xu , Ding Zhao