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LiDAR-camera calibration is a precondition for many heterogeneous systems that fuse data from LiDAR and camera. However, the constraint from common field of view and the requirement for strict time synchronization make the calibration a…

Robotics · Computer Science 2019-07-31 Bo Fu , Yue Wang , Xiaqing Ding , Yanmei Jiao , Li Tang , Rong Xiong

Reproducibly achieving proper implant alignment is a critical step in total hip arthroplasty (THA) procedures that has been shown to substantially affect patient outcome. In current practice, correct alignment of the acetabular cup is…

Accurate needle placement in spine interventions is critical for effective pain management, yet it depends on reliable identification of anatomical landmarks and careful trajectory planning. Conventional imaging guidance often relies both…

Human-Computer Interaction · Computer Science 2026-03-24 Tianyu Song , Felix Pabst , Feng Li , Yordanka Velikova , Miruna-Alexandra Gafencu , Yuan Bi , Ulrich Eck , Nassir Navab

The recent years have given rise to a large number of techniques for "looking around corners", i.e., for reconstructing occluded objects from time-resolved measurements of indirect light reflections off a wall. While the direct view of…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Jonathan Klein , Martin Laurenzis , Matthias B. Hullin , Julian Iseringhausen

The potential of Augmented Reality (AR) technology to assist minimally invasive surgeries (MIS) lies in its computational performance and accuracy in dealing with challenging MIS scenes. Even with the latest hardware and software…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Long Chen , Wen Tang , Nigel W. John

Multiple LiDARs have progressively emerged on autonomous vehicles for rendering a wide field of view and dense measurements. However, the lack of precise calibration negatively affects their potential applications in localization and…

Robotics · Computer Science 2019-05-14 Jianhao Jiao , Yang Yu , Qinghai Liao , Haoyang Ye , Ming Liu

Industrial robotics are redefining inspection and maintenance routines across multiple sectors, enhancing safety, efficiency, and environmental sustainability. In outdoor industrial facilities, it is crucial to inspect and repair complex…

Robotics · Computer Science 2023-11-03 Frank Regal , Steven Swanbeck , Fabian Parra , Jared Rosenbaum , Mitch Pryor

Surgical navigation provides real-time guidance by estimating the pose of patient anatomy and surgical instruments to visualize relevant intraoperative information. In conventional systems, instruments are typically tracked using fiducial…

Human-Computer Interaction · Computer Science 2026-03-10 Jiaming Zhang , Mingxu Liu , Hongchao Shu , Ruixing Liang , Yihao Liu , Ojas Taskar , Amir Kheradmand , Mehran Armand , Alejandro Martin-Gomez

Markerless augmented reality (AR) has the potential to provide engaging experiences and improve outcomes across a wide variety of industries; the overlaying of virtual content, or holograms, onto a view of the real world without the need…

Human-Computer Interaction · Computer Science 2021-10-01 Tim Scargill , Jiasi Chen , Maria Gorlatova

Whole-body geometric calibration of humanoid robots using classical robot calibration methods is a timeconsuming and experimentally burdensome task. However, despite its significance for accurate control and simulation, it is often…

Robotics · Computer Science 2025-07-23 Thanh D V Nguyen , Vincent Bonnet , Pierre Fernbach , David Daney , Florent Lamiraux

The trend towards autonomous driving and the continuous research in the automotive area, like Advanced Driver Assistance Systems (ADAS), requires an accurate localization under all circumstances. An accurate estimation of the vehicle state…

Signal Processing · Electrical Eng. & Systems 2020-05-15 Eduardo Sánchez Morales , Michael Botsch , Bertold Huber , Andrés García Higuera

Advances in autonomous driving are inseparable from sensor fusion. Heterogeneous sensors are widely used for sensor fusion due to their complementary properties, with radar and camera being the most equipped sensors. Intrinsic and extrinsic…

Robotics · Computer Science 2023-07-31 Lei Cheng , Arindam Sengupta , Siyang Cao

This study addresses the challenge of accurate 6D pose estimation in Augmented Reality (AR), a critical component for seamlessly integrating virtual objects into real-world environments. Our research primarily addresses the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Mayura Manawadu , Sieun Park , Soon-Yong Park

While automotive radar sensors are widely adopted and have been used for automatic cruise control and collision avoidance tasks, their application outside of vehicles is still limited. As they have the ability to resolve multiple targets in…

Robotics · Computer Science 2023-06-26 Alexander Tsaregorodtsev , Michael Buchholz , Vasileios Belagiannis

BACKGROUND AND OBJECTIVE: The research done in the field of Augmented Reality (AR) for patient positioning in radiation therapy is scarce. We propose an efficient and cost-effective algorithm for tracking the scene and the patient to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Hamid Sarmadi , Rafael Muñoz-Salinas , M. Álvaro Berbís , Antonio Luna , R. Medina-Carnicer

In this paper, we propose a method of targetless and automatic Camera-LiDAR calibration. Our approach is an extension of hand-eye calibration framework to 2D-3D calibration. By using the sensor fusion odometry method, the scaled camera…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Ryoichi Ishikawa , Takeshi Oishi , Katsushi Ikeuchi

The use of Augmented Reality (AR) devices for surgical guidance has gained increasing traction in the medical field. Traditional registration methods often rely on external fiducial markers to achieve high accuracy and real-time…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yue Yang , Christoph Leuze , Brian Hargreaves , Bruce Daniel , Fred Baik

Purpose: To evaluate manual and automatic registration times as well as accuracy with augmented reality during alignment of a holographic 3-dimensional (3D) model onto the real-world environment. Method: 18 participants in various stages of…

Medical Physics · Physics 2020-12-07 Ningcheng Li , Jonathan Wakim , Yilun Koethe , Timothy Huber , Terence Gade , Stephen Hunt , Brian Park

Time of flight based Non-line-of-sight (NLOS) imaging approaches require precise calibration of illumination and detector positions on the visible scene to produce reasonable results. If this calibration error is sufficiently high,…

Image and Video Processing · Electrical Eng. & Systems 2021-05-25 Subhash Chandra Sadhu , Abhishek Singh , Tomohiro Maeda , Tristan Swedish , Ryan Kim , Lagnojita Sinha , Ramesh Raskar

Arthroscopy is a minimally invasive surgical procedure used to diagnose and treat joint problems. The clinical workflow of arthroscopy typically involves inserting an arthroscope into the joint through a small incision, during which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Hongchao Shu , Mingxu Liu , Lalithkumar Seenivasan , Suxi Gu , Ping-Cheng Ku , Jonathan Knopf , Russell Taylor , Mathias Unberath