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We propose a new approach towards RSS (Received Signal Strength) based wireless localisation for scenarios where, instead of absolute positioning of an object, only the information whether an object is inside or outside of a specific area…

Networking and Internet Architecture · Computer Science 2018-01-19 Cam Ly Nguyen , Aftab Khan

The emerging vision-and-language navigation (VLN) problem aims at learning to navigate an agent to the target location in unseen photo-realistic environments according to the given language instruction. The main challenges of VLN arise…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Weixia Zhang , Chao Ma , Qi Wu , Xiaokang Yang

Visible light communication (VLC) utilizes light-emitting diodes (LEDs) to transmit wireless data. A VLC network can also be used to localize mobile users in indoor environments, where the global positioning system (GPS) signals are weak.…

Signal Processing · Electrical Eng. & Systems 2019-10-01 Yusuf Eroglu , Fatih Erden , Ismail Guvenc

Although outdoor navigation systems are mostly dependent on GPS, indoor systems have to rely upon different techniques for localizing the user, due to unavailability of GPS signals in indoor environments. Over the past decade various indoor…

Computers and Society · Computer Science 2018-12-27 Ali Hojjat

This paper proposes a method for tight fusion of visual, depth and inertial data in order to extend robotic capabilities for navigation in GPS-denied, poorly illuminated, and texture-less environments. Visual and depth information are fused…

Robotics · Computer Science 2019-03-06 Shehryar Khattak , Christos Papachristos , Kostas Alexis

Vision-Language Models (VLMs), particularly CLIP, have revolutionized anomaly detection by enabling zero-shot and few-shot defect identification without extensive labeled datasets. By learning aligned representations of images and text,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Mohit Kakda , Mirudula Shri Muthukumaran , Uttapreksha Patel , Lawrence Swaminathan Xavier Prince

The ability for a moving agent to localize itself in environment is the basic demand for emerging applications, such as autonomous driving, etc. Many existing methods based on multiple sensors still suffer from drift. We propose a scheme…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Longrui Dong , Gang Zeng

We proposed an end-to-end deep learning-based simultaneous localization and mapping (SLAM) system following conventional visual odometry (VO) pipelines. The proposed method completes the SLAM framework by including tracking, mapping, and…

Robotics · Computer Science 2019-05-10 Youngji Kim , Ayoung Kim

Accurate and robust visual localization under a wide range of viewing condition variations including season and illumination changes, as well as weather and day-night variations, is the key component for many computer vision and robotics…

Computer Vision and Pattern Recognition · Computer Science 2019-05-20 Tianxin Shi , Shuhan Shen , Xiang Gao , Lingjie Zhu

This letter proposes a method of global localization on a map with semantic object landmarks. One of the most promising approaches for localization on object maps is to use semantic graph matching using landmark descriptors calculated from…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Shigemichi Matsuzaki , Kazuhito Tanaka , Kazuhiro Shintani

Visual Place Recognition (VPR) often fails under extreme environmental changes and perceptual aliasing. Furthermore, standard systems cannot perform "blind" localization from verbal descriptions alone, a capability needed for applications…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Ofer Idan , Dan Badur , Yosi Keller , Yoli Shavit

Visual Place Recognition (VPR) is vital for robot localization. To date, the most performant VPR approaches are environment- and task-specific: while they exhibit strong performance in structured environments (predominantly urban driving),…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Nikhil Keetha , Avneesh Mishra , Jay Karhade , Krishna Murthy Jatavallabhula , Sebastian Scherer , Madhava Krishna , Sourav Garg

With the rapid rise of Artificial Intelligence Generated Content (AIGC), image manipulation has become increasingly accessible, posing significant challenges for image forgery detection and localization (IFDL). In this paper, we study how…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Shaofeng Guo , Jiequan Cui , Richang Hong

Localization is paramount for autonomous robots. While camera and LiDAR-based approaches have been extensively investigated, they are affected by adverse illumination and weather conditions. Therefore, radar sensors have recently gained…

Robotics · Computer Science 2024-11-05 Abhijeet Nayak , Daniele Cattaneo , Abhinav Valada

In the field of Simultaneous Localization and Mapping (SLAM), researchers have always pursued better performance in terms of accuracy and time cost. Traditional algorithms typically rely on fundamental geometric elements in images to…

Robotics · Computer Science 2024-03-05 Zhang Zhihe

Vision-language navigation (VLN) is the task of navigating an embodied agent to carry out natural language instructions inside real 3D environments. In this paper, we study how to address three critical challenges for this task: the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Xin Wang , Qiuyuan Huang , Asli Celikyilmaz , Jianfeng Gao , Dinghan Shen , Yuan-Fang Wang , William Yang Wang , Lei Zhang

In this paper, we present a novel visual servoing (VS) approach based on latent Denoising Diffusion Probabilistic Models (DDPMs), that explores the application of generative models for vision-based navigation of UAVs (Uncrewed Aerial…

Robotics · Computer Science 2025-04-30 Bishoy Gerges , Barbara Bazzana , Nicolò Botteghi , Youssef Aboudorra , Antonio Franchi

Visibility analysis in urban planning has traditionally relied on line-of-sight (LoS) simulations, which capture geometric occlusion. However, these approaches depend on accurate 3D data that is often unavailable and may not adequately…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Zicheng Fan , Kunihiko Fujiwara , Pengyuan Liu , Fan Zhang , Filip Biljecki

Visual perception is an important component for autonomous navigation of unmanned surface vessels (USV), particularly for the tasks related to autonomous inspection and tracking. These tasks involve vision-based navigation techniques to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Muhayyuddin Ahmed , Ahsan Baidar Bakht , Taimur Hassan , Waseem Akram , Ahmed Humais , Lakmal Seneviratne , Shaoming He , Defu Lin , Irfan Hussain

Vision-based path following allows robots to autonomously repeat manually taught paths. Stereo Visual Teach and Repeat (VT\&R) accomplishes accurate and robust long-range path following in unstructured outdoor environments across changing…

Robotics · Computer Science 2020-03-09 Mona Gridseth , Timothy D. Barfoot
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