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Human auditory perception is shaped by moving sound sources in 3D space, yet prior work in generative sound modelling has largely been restricted to mono signals or static spatial audio. In this work, we introduce a framework for generating…

Sound · Computer Science 2025-09-29 Yunyi Liu , Shaofan Yang , Kai Li , Xu Li

Building deep reinforcement learning agents that can generalize and adapt to unseen environments remains a fundamental challenge for AI. This paper describes progresses on this challenge in the context of man-made environments, which are…

Machine Learning · Computer Science 2018-10-01 Yi Wu , Yuxin Wu , Aviv Tamar , Stuart Russell , Georgia Gkioxari , Yuandong Tian

Visual Language Navigation is a task that challenges robots to navigate in realistic environments based on natural language instructions. While previous research has largely focused on static settings, real-world navigation must often…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Dillon Loh , Tomasz Bednarz , Xinxing Xia , Frank Guan

Map representations learned by expert demonstrations have shown promising research value. However, the field of visual navigation still faces challenges due to the lack of real-world human-navigation datasets that can support efficient,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Faith Johnson , Bryan Bo Cao , Kristin Dana , Shubham Jain , Ashwin Ashok

Finding an object of a specific class in an unseen environment remains an unsolved navigation problem. Hence, we propose a hierarchical learning-based method for object navigation. The top-level is capable of high-level planning, and…

Artificial Intelligence · Computer Science 2022-11-17 Matthias Hutsebaut-Buysse , Kevin Mets , Tom De Schepper , Steven Latré

Purpose: Surgical scene understanding is key to advancing computer-aided and intelligent surgical systems. Current approaches predominantly rely on visual data or end-to-end learning, which limits fine-grained contextual modeling. This work…

Autonomous 3D environment exploration is a fundamental task for various applications such as navigation. The goal of exploration is to investigate a new environment and build its occupancy map efficiently. In this paper, we propose a new…

Artificial Intelligence · Computer Science 2021-11-03 Liu Juncheng , McCane Brendan , Mills Steven

Autonomous agent frameworks still struggle to reconcile long-term experiential learning with real-time, context-sensitive decision-making. In practice, this gap appears as static cognition, rigid workflow dependence, and inefficient context…

Artificial Intelligence · Computer Science 2026-03-11 Xiaoxing Wang , Ning Liao , Shikun Wei , Chen Tang , Feiyu Xiong

The ability to navigate from visual observations in unfamiliar environments is a core component of intelligent agents and an ongoing challenge for Deep Reinforcement Learning (RL). Street View can be a sensible testbed for such RL agents,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Ang Li , Huiyi Hu , Piotr Mirowski , Mehrdad Farajtabar

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

Autonomous navigation in unknown environments requires multi-scale spatial understanding that captures geometric details, topological connectivity, and global structure to support high-level decision making under partial observability.…

Robotics · Computer Science 2026-04-22 Kuankuan Sima , Longbin Tang , Zhenyu Yang , Haozhe Ma , Lin Zhao

In this paper, we present a novel approach to incrementally learn an Abstract Model of an unknown environment, and show how an agent can reuse the learned model for tackling the Object Goal Navigation task. The Abstract Model is a finite…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Tommaso Campari , Leonardo Lamanna , Paolo Traverso , Luciano Serafini , Lamberto Ballan

Experience-driven learning has emerged as a promising paradigm for enabling agents to improve from interaction trajectories by accumulating and reusing past experience. However, existing approaches are predominantly developed in textual…

Artificial Intelligence · Computer Science 2026-05-19 Xingyu Sui , Weixiang Zhao , Yongxin Tang , Yanyan Zhao , Yang Wu , Dandan Tu , Bing Qin

Navigation tasks in photorealistic 3D environments are challenging because they require perception and effective planning under partial observability. Recent work shows that map-like memory is useful for long-horizon navigation tasks.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Saim Wani , Shivansh Patel , Unnat Jain , Angel X. Chang , Manolis Savva

The rapid advances in audio analysis underscore its vast potential for humancomputer interaction, environmental monitoring, and public safety; yet, existing audioonly datasets often lack spatial context. To address this gap, we present two…

Sound · Computer Science 2025-12-10 Shuaihang Yuan , Congcong Wen , Muhammad Shafique , Anthony Tzes , Yi Fang

We present a novel method for populating 3D indoor scenes with virtual humans that can navigate in the environment and interact with objects in a realistic manner. Existing approaches rely on training sequences that contain captured human…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Kaifeng Zhao , Yan Zhang , Shaofei Wang , Thabo Beeler , Siyu Tang

Vision-and-Language Navigation (VLN) is the task that requires an agent to navigate through the environment based on natural language instructions. At each step, the agent takes the next action by selecting from a set of navigable…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Jialu Li , Mohit Bansal

The research field of Embodied AI has witnessed substantial progress in visual navigation and exploration thanks to powerful simulating platforms and the availability of 3D data of indoor and photorealistic environments. These two factors…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Roberto Bigazzi , Federico Landi , Marcella Cornia , Silvia Cascianelli , Lorenzo Baraldi , Rita Cucchiara

In the Vision-and-Language Navigation (VLN) task an embodied agent navigates a 3D environment, following natural language instructions. A challenge in this task is how to handle 'off the path' scenarios where an agent veers from a reference…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Sonia Raychaudhuri , Saim Wani , Shivansh Patel , Unnat Jain , Angel X. Chang

We propose a novel architecture and training paradigm for training realistic PointGoal Navigation -- navigating to a target coordinate in an unseen environment under actuation and sensor noise without access to ground-truth localization.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Guillermo Grande , Dhruv Batra , Erik Wijmans
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