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This paper proposes a method for learning continuous control policies for active landmark localization and exploration using an information-theoretic cost. We consider a mobile robot detecting landmarks within a limited sensing range, and…

Robotics · Computer Science 2023-05-18 Pengzhi Yang , Yuhan Liu , Shumon Koga , Arash Asgharivaskasi , Nikolay Atanasov

Automatic anatomical landmark localization in medical imaging requires not just accurate predictions but reliable uncertainty quantification for effective clinical decision support. Current uncertainty quantification approaches often fall…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Jef Jonkers , Frank Coopman , Luc Duchateau , Glenn Van Wallendael , Sofie Van Hoecke

In this paper, a deformable object is considered for cameras deployment with the aim of visual coverage. The object contour is discretized into sampled points as meshes, and the deformation is represented as continuous trajectories for the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Chang Li , Xi Chen , Li Chai

We present a novel method for visual mapping and localization for autonomous vehicles, by extracting, modeling, and optimizing semantic road elements. Specifically, our method integrates cascaded deep models to detect standardized road…

Robotics · Computer Science 2021-08-12 Wentao Cheng , Sheng Yang , Maomin Zhou , Ziyuan Liu , Yiming Chen , Mingyang Li

Visual localization is the task of accurate camera pose estimation in a known scene. It is a key problem in computer vision and robotics, with applications including self-driving cars, Structure-from-Motion, SLAM, and Mixed Reality.…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Torsten Sattler , Qunjie Zhou , Marc Pollefeys , Laura Leal-Taixe

In this paper, we present a tightly-coupled visual-inertial object-level multi-instance dynamic SLAM system. Even in extremely dynamic scenes, it can robustly optimise for the camera pose, velocity, IMU biases and build a dense 3D…

Robotics · Computer Science 2022-08-09 Yifei Ren , Binbin Xu , Christopher L. Choi , Stefan Leutenegger

Object counting and localization are key steps for quantitative analysis in large-scale microscopy applications. This procedure becomes challenging when target objects are overlapping, are densely clustered, and/or present fuzzy boundaries.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Shijie Li , Thomas Ach , Guido Gerig

A geometric nonlinear observer algorithm for Simultaneous Localization and Mapping (SLAM) developed on the Lie group of \mathbb{SLAM}_{n}\left(3\right) is proposed. The presented novel solution estimates the vehicle's pose (i.e. attitude…

Systems and Control · Electrical Eng. & Systems 2020-09-25 Hashim A. Hashim

Localizing an image wrt. a 3D scene model represents a core task for many computer vision applications. An increasing number of real-world applications of visual localization on mobile devices, e.g., Augmented Reality or autonomous robots…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Federico Camposeco , Andrea Cohen , Marc Pollefeys , Torsten Sattler

This work provides a theoretical analysis for optimally solving the pose estimation problem using total least squares for vector observations from landmark features, which is central to applications involving simultaneous localization and…

Robotics · Computer Science 2022-10-24 Saeed Maleki , Adhiti Raman , Yang Cheng , John Crassidis , Matthias Schmid

Face alignment (or facial landmarking) is an important task in many face-related applications, ranging from registration, tracking and animation to higher-level classification problems such as face, expression or attribute recognition.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Janez Križaj , Peter Peer , Vitomir Štruc , Simon Dobrišek

In this paper, we address the problem of stochastic motion planning under partial observability, more specifically, how to navigate a mobile robot equipped with continuous range sensors such as LIDAR. In contrast to many existing robotic…

Robotics · Computer Science 2020-12-03 Ke Sun , Brent Schlotfeldt , George Pappas , Vijay Kumar

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

While decoupled control schemes for legged mobile manipulators have shown robustness, learning holistic whole-body control policies for tracking global end-effector poses remains fragile against Out-of-Distribution (OOD) inputs induced by…

Robotics · Computer Science 2026-04-10 Ziyang Cheng , Haoyu Wei , Hang Yin , Xiuwei Xu , Bingyao Yu , Jie Zhou , Jiwen Lu

Deciding which sensing capabilities to deploy on an agent in uncertain domains is a fundamental engineering challenge, in which one balances task achievability against the high costs of hardware and processing. This problem has previously…

Artificial Intelligence · Computer Science 2026-05-22 Adrian Zvizdenco , Arthur Conrado Veiga Bosquetti , Alberto Lluch Lafuente , Christoph Matheja

Camera-based visible light positioning (VLP) has emerged as a promising indoor positioning technique. However, the need for dedicated luminaire infrastructure and on-target cameras in existing algorithms may limit their scalability and…

Signal Processing · Electrical Eng. & Systems 2025-08-13 Wenxuan Pan , Yang Yang , Dong Wei , Meng Zhang , Zhiyu Zhu

In this paper, we propose an efficient range free localization scheme for large scale three dimensional wireless sensor networks. Our system environment consists of two type of sensors, randomly deployed static sensors and global…

Networking and Internet Architecture · Computer Science 2018-01-11 Rajesh Kumar , Sushil Kumar , Diksha Shukla , Ram Shringar Raw

We present a complete map management process for a visual localization system designed for multi-vehicle long- term operations in resource constrained outdoor environments. Outdoor visual localization generates large amounts of data that…

Robotics · Computer Science 2018-08-09 Mathias Bürki , Marcin Dymczyk , Igor Gilitschenski , Cesar Cadena , Roland Siegwart , Juan Nieto

This work proposes a novel approach to reinforce localization security in wireless networks in the presence of malicious nodes that are able to manipulate (spoof) radio measurements. It substitutes the original measurement model by another…

Signal Processing · Electrical Eng. & Systems 2025-04-01 Slavisa Tomic , Marko Beko , Yakubu Tsado , Bamidele Adebisi , Abiola Oladipo

A distributed spatio-temporal information based cooperative positioning (STICP) algorithm is proposed for wireless networks that require three-dimensional (3D) coordinates and operate in the global navigation satellite system (GNSS) denied…

Signal Processing · Electrical Eng. & Systems 2023-05-25 Yue Cao , Shaoshi Yang , Zhiyong Feng , Lihua Wang , Lajos Hanzo