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Visual localization is of great importance in robotics and computer vision. Recently, scene coordinate regression based methods have shown good performance in visual localization in small static scenes. However, it still estimates camera…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Zhaoyang Huang , Han Zhou , Yijin Li , Bangbang Yang , Yan Xu , Xiaowei Zhou , Hujun Bao , Guofeng Zhang , Hongsheng Li

Vision-language models have achieved remarkable success in cross-modal understanding. Yet, these models remain limited to object-level or region-level grounding, lacking the capability for pixel-precise keypoint comprehension through…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Matan Rusanovsky , Shimon Malnick , Shai Avidan

Global geolocation, which seeks to predict the geographical location of images captured anywhere in the world, is one of the most challenging tasks in the field of computer vision. In this paper, we introduce an innovative interactive…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Zhiyang Dou , Zipeng Wang , Xumeng Han , Guorong Li , Zhipei Huang , Zhenjun Han

Accurate facial landmark detection is critical for facial analysis tasks, yet prevailing heatmap and coordinate regression methods grapple with prohibitive computational costs and quantization errors. Through comprehensive theoretical…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Xu Bao , Zhi-Qi Cheng , Jun-Yan He , Chenyang Li , Wangmeng Xiang , Jingdong Sun , Hanbing Liu , Wei Liu , Bin Luo , Yifeng Geng , Xuansong Xie

Introduction: In the realm of human-computer interaction and behavioral research, accurate real-time gaze estimation is critical. Traditional methods often rely on expensive equipment or large datasets, which are impractical in many…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Esther Enhui Ye , John Enzhou Ye , Joseph Ye , Jacob Ye , Runzhou Ye

Identifying unexpected objects on roads in semantic segmentation (e.g., identifying dogs on roads) is crucial in safety-critical applications. Existing approaches use images of unexpected objects from external datasets or require additional…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Sanghun Jung , Jungsoo Lee , Daehoon Gwak , Sungha Choi , Jaegul Choo

This paper presents an enhanced version of the Interactive Voting-Based Map Matching algorithm, designed to efficiently process trajectories with varying sampling rates. The main aim is to reconstruct GPS trajectories with high accuracy,…

Machine Learning · Computer Science 2025-08-18 William Alemanni , Arianna Burzacchi , Davide Colombi , Elena Giarratano

A vast amount of geographic information exists in natural language texts, such as tweets and news. Extracting geographic information from texts is called Geoparsing, which includes two subtasks: toponym recognition and toponym…

Information Retrieval · Computer Science 2022-09-20 Xuke Hu , Yeran Sun , Jens Kersten , Zhiyong Zhou , Friederike Klan , Hongchao Fan

Agricultural robots are expected to increase yields in a sustainable way and automate precision tasks, such as weeding and plant monitoring. At the same time, they move in a continuously changing, semi-structured field environment, in which…

Robotics · Computer Science 2017-09-15 Florian Kraemer , Alexander Schaefer , Andreas Eitel , Johan Vertens , Wolfram Burgard

This technical report outlines the top-ranking solution for RoboSense 2025: Track 3, achieving state-of-the-art performance on 3D object detection under various sensor placements. Our submission utilizes GBlobs, a local point cloud feature…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Dušan Malić , Christian Fruhwirth-Reisinger , Alexander Prutsch , Wei Lin , Samuel Schulter , Horst Possegger

Positioning systems in self-organizing networks generally rely on measurements such as delay and received signal strength, which may be difficult to obtain and often require dedicated equipment. An alternative to such approaches is to use…

Networking and Internet Architecture · Computer Science 2007-05-23 Farid Benbadis , Jean-Jacques Puig , Marcelo Dias de Amorim , Claude Chaudet , Timur Friedman , David Simplot-Ryl

Determining the precise geographic location of an image at a global scale remains an unsolved challenge. Standard image retrieval techniques are inefficient due to the sheer volume of images (>100M) and fail when coverage is insufficient.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Philipp Lindenberger , Paul-Edouard Sarlin , Jan Hosang , Matteo Balice , Marc Pollefeys , Simon Lynen , Eduard Trulls

Subspace clustering methods based on expressing each data point as a linear combination of all other points in a dataset are popular unsupervised learning techniques. However, existing methods incur high computational complexity on…

Machine Learning · Computer Science 2019-08-05 Farhad Pourkamali-Anaraki

Weakly supervised localization aims at finding target object regions using only image-level supervision. However, localization maps extracted from classification networks are often not accurate due to the lack of fine pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2020-08-13 Xiaolin Zhang , Yunchao Wei , Yi Yang

Robust and accurate localization is a basic requirement for mobile autonomous systems. Pole-like objects, such as traffic signs, poles, and lamps are frequently used landmarks for localization in urban environments due to their local…

Robotics · Computer Science 2022-08-16 Hao Dong , Xieyuanli Chen , Simo Särkkä , Cyrill Stachniss

Recent years have witnessed the fast growth in telecommunication (Telco) techniques from 2G to upcoming 5G. Precise outdoor localization is important for Telco operators to manage, operate and optimize Telco networks. Differing from GPS,…

Networking and Internet Architecture · Computer Science 2021-08-25 Yige Zhang , Weixiong Rao , Mingxuan Yuan , Jia Zeng , Pan Hui

In this paper, we present a YOLO-based framework for layout hotspot detection, aiming to enhance the efficiency and performance of the design rule checking (DRC) process. Our approach leverages the YOLOv8 vision model to detect multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Dongyang Wu , Siyang Wang , Mehdi Kamal , Massoud Pedram

Visual localization is a core technology for augmented reality and autonomous navigation. Recent methods combine the efficient rendering of 3D Gaussian Splatting (3DGS) with feature-based localization. These methods rely on direct matching…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Yingdong Gu , Shaocheng Yan , Zhenjun Zhao , Yuan Kou , Jianxin Luo , Pengcheng Shi , Jiayuan Li

Internet of things wireless networking with long range, low power and low throughput is raising as a new paradigm enabling to connect trillions of devices efficiently. In such networks with low power and bandwidth devices, localization…

Information Theory · Computer Science 2017-10-17 Hazem Sallouha , Alessandro Chiumento , Sofie Pollin

Extracting the "correct" location information from text data, i.e., determining the place of event, has long been a goal for automated text processing. To approximate human-like coding schema, we introduce a supervised machine learning…

Computation and Language · Computer Science 2019-08-28 Sophie J. Lee , Howard Liu , Michael D. Ward