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Related papers: LaLaLoc: Latent Layout Localisation in Dynamic, Un…

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Fingerprint localization has gained significant attention due to its cost-effective deployment, low complexity, and high efficacy. However, traditional methods, while effective for static data, often struggle in dynamic environments where…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Jiyu Jiao , Xiaojun Wang , Chengpei Han

Camera relocalization, a cornerstone capability of modern computer vision, accurately determines a camera's position and orientation (6-DoF) from images and is essential for applications in augmented reality (AR), mixed reality (MR),…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Zhendong Xiao , Wu Wei , Shujie Ji , Shan Yang , Changhao Chen

Lifelong localization in a given map is an essential capability for autonomous service robots. In this paper, we consider the task of long-term localization in a changing indoor environment given sparse CAD floor plans. The commonly used…

Robotics · Computer Science 2022-10-05 Nicky Zimmerman , Tiziano Guadagnino , Xieyuanli Chen , Jens Behley , Cyrill Stachniss

We propose a robotic learning system for autonomous exploration and navigation in unexplored environments. We are motivated by the idea that even an unseen environment may be familiar from previous experiences in similar environments. The…

Robotics · Computer Science 2022-11-24 Huangying Zhan , Hamid Rezatofighi , Ian Reid

Visual place recognition is essential for vision-based robot localization and SLAM. Despite the tremendous progress made in recent years, place recognition in changing environments remains challenging. A promising approach to cope with…

Robotics · Computer Science 2023-04-17 Reihaneh Mirjalili , Michael Krawez , Wolfram Burgard

Objects rarely sit in isolation in everyday human environments. If we want robots to operate and perform tasks in our human environments, they must understand how the objects they manipulate will interact with structural elements of the…

Robotics · Computer Science 2024-01-30 Yixuan Huang , Nichols Crawford Taylor , Adam Conkey , Weiyu Liu , Tucker Hermans

Due to the ability to synthesize high-quality novel views, Neural Radiance Fields (NeRF) have been recently exploited to improve visual localization in a known environment. However, the existing methods mostly utilize NeRFs for data…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Boming Zhao , Luwei Yang , Mao Mao , Hujun Bao , Zhaopeng Cui

Accurate localization is an essential technology for the flexible navigation of robots in large-scale environments. Both SLAM-based and map-based localization will increase the computing load due to the increase in map size, which will…

Robotics · Computer Science 2024-04-30 Yixiao Feng , Zhou Jiang , Yongliang Shi , Yunlong Feng , Xiangyu Chen , Hao Zhao , Guyue Zhou

To alleviate the pilot and CSI-feedback burden in 6G, channel knowledge map (CKM) has emerged as a promising approach that predicts CSI solely from user locations. Nevertheless, accurate location information is rarely available in current…

Signal Processing · Electrical Eng. & Systems 2026-03-18 Kequan Zhou , Guangyi Zhang , Hanlei Li , Yunlong Cai , Guanding Yu

The 3D occupancy estimation task has become an important challenge in the area of vision-based autonomous driving recently. However, most existing camera-based methods rely on costly 3D voxel labels or LiDAR scans for training, limiting…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Simon Boeder , Fabian Gigengack , Benjamin Risse

This paper presents a novel camera relocalization method, STDLoc, which leverages Feature Gaussian as scene representation. STDLoc is a full relocalization pipeline that can achieve accurate relocalization without relying on any pose prior.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Zhiwei Huang , Hailin Yu , Yichun Shentu , Jin Yuan , Guofeng Zhang

Spatial reasoning is a fundamental aspect of human cognition, enabling intuitive understanding and manipulation of objects in three-dimensional space. While foundation models demonstrate remarkable performance on some benchmarks, they still…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Fan-Yun Sun , Weiyu Liu , Siyi Gu , Dylan Lim , Goutam Bhat , Federico Tombari , Manling Li , Nick Haber , Jiajun Wu

Despite recent advances in multimodal reasoning, representing auxiliary geometric constructions remains a fundamental challenge for multimodal large language models (MLLMs). Such constructions are absent from the original diagram and must…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Haiying Xu , Zihan Wang , Song Dai , Zhengxuan Zhang , Kairan Dou , Xuming Hu

Fingerprinting-based localization often suffers from poor cross-environment generalization, especially when only a few labeled samples are available in the target environment. Existing methods mitigate distribution shifts through domain…

Signal Processing · Electrical Eng. & Systems 2026-05-20 Jun Gao , Zheng Xing , Wenliang Lin , Weibing Zhao , Xuhui Zhang , Junting Chen , Zhongliang Deng , Shuguang Cui

Although legged robots demonstrate impressive mobility on rough terrain, using them safely in cluttered environments remains a challenge. A key issue is their inability to avoid stepping on low-lying objects, such as high-cost small devices…

Robotics · Computer Science 2026-04-07 Denan Liang , Yuan Zhu , Ruimeng Liu , Thien-Minh Nguyen , Shenghai Yuan , Lihua Xie

Robotic foundation models require reasoning over complex visual scenes to execute adaptive actions in dynamic environments. While recent studies on latent-reasoning Vision-Language-Action (VLA) models have demonstrated the capability to…

Visual model-based RL methods typically encode image observations into low-dimensional representations in a manner that does not eliminate redundant information. This leaves them susceptible to spurious variations -- changes in…

Machine Learning · Computer Science 2023-10-26 Chuning Zhu , Max Simchowitz , Siri Gadipudi , Abhishek Gupta

Designing 3D indoor layouts is a crucial task with significant applications in virtual reality, interior design, and automated space planning. Existing methods for 3D layout design either rely on diffusion models, which utilize spatial…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Yixuan Yang , Junru Lu , Zixiang Zhao , Zhen Luo , James J. Q. Yu , Victor Sanchez , Feng Zheng

We study the task of locating a user in a mapped indoor environment using natural language queries and images from the environment. Building on recent pretrained vision-language models, we learn a similarity score between text descriptions…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Seth Pate , Lawson L. S. Wong

We propose a real-time method to estimate spatiallyvarying indoor lighting from a single RGB image. Given an image and a 2D location in that image, our CNN estimates a 5th order spherical harmonic representation of the lighting at the given…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Mathieu Garon , Kalyan Sunkavalli , Sunil Hadap , Nathan Carr , Jean-François Lalonde