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Localization is a key requirement for mobile robot autonomy and human-robot interaction. Vision-based localization is accurate and flexible, however, it incurs a high computational burden which limits its application on many…

Robotics · Computer Science 2016-12-30 Ronald Clark , Sen Wang , Hongkai Wen , Niki Trigoni , Andrew Markham

Place recognition is a cornerstone of vehicle navigation and mapping, which is pivotal in enabling systems to determine whether a location has been previously visited. This capability is critical for tasks such as loop closure in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Zhenyu Li , Tianyi Shang , Pengjie Xu , Zhaojun Deng

Place recognition is a key module in robotic navigation. The existing line of studies mostly focuses on visual place recognition to recognize previously visited places solely based on their appearance. In this paper, we address structural…

Robotics · Computer Science 2021-09-29 Giseop Kim , Sunwook Choi , Ayoung Kim

This paper introduces a simple but highly efficient ensemble for robust texture classification, which can effectively deal with translation, scale and changes of significant viewpoint problems. The proposed method first inherits the spirit…

Computer Vision and Pattern Recognition · Computer Science 2012-03-06 Shu Kong , Donghui Wang

For several emerging technologies such as augmented reality, autonomous driving and robotics, visual localization is a critical component. Directly regressing camera pose/3D scene coordinates from the input image using deep neural networks…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Shuzhe Wang , Zakaria Laskar , Iaroslav Melekhov , Xiaotian Li , Juho Kannala

Accurate localization in diverse environments is a fundamental challenge in computer vision and robotics. The task involves determining a sensor's precise position and orientation, typically a camera, within a given space. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Luca Di Giammarino , Boyang Sun , Giorgio Grisetti , Marc Pollefeys , Hermann Blum , Daniel Barath

When a vehicle observes another one, the two vehicles' poses are correlated by this spatial relative observation, which can be used in cooperative localization for further increasing localization accuracy and precision. To use spatial…

Robotics · Computer Science 2017-04-06 Xiaotong Shen , Hans Andersen , Wei Kang Leong , Hai Xun Kong , Marcelo H. Ang , Daniela Rus

The paper presents an approach to indoor personal localization on a mobile device based on visual place recognition. We implemented on a smartphone two state-of-the-art algorithms that are representative to two different approaches to…

Robotics · Computer Science 2017-04-28 Michał Nowicki , Jan Wietrzykowski , Piotr Skrzypczyński

6-DoF visual localization systems utilize principled approaches rooted in 3D geometry to perform accurate camera pose estimation of images to a map. Current techniques use hierarchical pipelines and learned 2D feature extractors to improve…

Visual place recognition is a challenging task in the field of computer vision, and autonomous robotics and vehicles, which aims to identify a location or a place from visual inputs. Contemporary methods in visual place recognition employ…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Shyam Sundar Kannan , Byung-Cheol Min

This paper presents a visual geo-localization system capable of determining the geographic locations of places (buildings and road intersections) from images without relying on GPS data. Our approach integrates three primary methods:…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Rania Saoud , Slimane Larabi

Size, weight, and power constrained platforms impose constraints on computational resources that introduce unique challenges in implementing localization algorithms. We present a framework to perform fast localization on such platforms…

Robotics · Computer Science 2018-04-02 Aditya Dhawale , Kumar Shaurya Shankar , Nathan Michael

Visual localization allows autonomous robots to relocalize when losing track of their pose by matching their current observation with past ones. However, ambiguous scenes pose a challenge for such systems, as repetitive structures can be…

Computer Vision and Pattern Recognition · Computer Science 2023-01-06 Fereidoon Zangeneh , Leonard Bruns , Amit Dekel , Alessandro Pieropan , Patric Jensfelt

Visual localization is the problem of estimating the camera pose of a given query image within a known scene. Most state-of-the-art localization approaches follow the structure-based paradigm and use 2D-3D matches between pixels in a query…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Vojtech Panek , Torsten Sattler , Zuzana Kukelova

Effective visualization retrieval necessitates a clear definition of similarity. Despite the growing body of work in specialized visualization retrieval systems, a systematic approach to understanding visualization similarity remains…

Human-Computer Interaction · Computer Science 2026-04-16 Huyen N. Nguyen , Nils Gehlenborg

We present a robust and precise localization system that achieves centimeter-level localization accuracy in disparate city scenes. Our system adaptively uses information from complementary sensors such as GNSS, LiDAR, and IMU to achieve…

Computer Vision and Pattern Recognition · Computer Science 2020-03-09 Guowei Wan , Xiaolong Yang , Renlan Cai , Hao Li , Hao Wang , Shiyu Song

Many robotic tasks rely on the accurate localization of moving objects within a given workspace. This information about the objects' poses and velocities are used for control,motion planning, navigation, interaction with the environment or…

Robotics · Computer Science 2016-06-15 Michael Neunert , Michael Bloesch , Jonas Buchli

Determining the position and orientation of a sensor vis-a-vis its surrounding, while simultaneously mapping the environment around that sensor or simultaneous localization and mapping is quickly becoming an important advancement in…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Joonas Lomps , Artjom Lind , Amnir Hadachi

Multi-view capture systems are complex systems to engineer. They require technical knowledge to install and intricate processes to setup related mainly to the sensors' spatial alignment (i.e. external calibration). However, with the ongoing…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Vladimiros Sterzentsenko , Antonis Karakottas , Alexandros Papachristou , Nikolaos Zioulis , Alexandros Doumanoglou , Dimitrios Zarpalas , Petros Daras

We consider the problem of vision-based 6-DoF object pose estimation in the context of the notional Mars Sample Return campaign, in which a robotic arm would need to localize multiple objects of interest for low-clearance pickup and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Tu-Hoa Pham , Philip Bailey , Daniel Posada , Georgios Georgakis , Jorge Enriquez , Surya Suresh , Marco Dolci , Philip Twu