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Combining cameras and inertial measurement units (IMUs) has been proven effective in motion tracking, as these two sensing modalities offer complementary characteristics that are suitable for fusion. While most works focus on global-shutter…

Computer Vision and Pattern Recognition · Computer Science 2018-10-15 Yonggen Ling , Linchao Bao , Zequn Jie , Fengming Zhu , Ziyang Li , Shanmin Tang , Yongsheng Liu , Wei Liu , Tong Zhang

Our work addresses the problem of egocentric human pose estimation from downwards-facing cameras on head-mounted devices (HMD). This presents a challenging scenario, as parts of the body often fall outside of the image or are occluded.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Hanz Cuevas-Velasquez , Charlie Hewitt , Sadegh Aliakbarian , Tadas Baltrušaitis

Positional estimation is of great importance in the public safety sector. Emergency responders such as fire fighters, medical rescue teams, and the police will all benefit from a resilient positioning system to deliver safe and effective…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Zhuangzhuang Dai , Muhamad Risqi U. Saputra , Chris Xiaoxuan Lu , Niki Trigoni , Andrew Markham

We introduce the task of generative panoramic image stitching, which aims to synthesize seamless panoramas that are faithful to the content of multiple reference images containing parallax effects and strong variations in lighting, camera…

Graphics · Computer Science 2025-07-11 Mathieu Tuli , Kaveh Kamali , David B. Lindell

Event cameras are a paradigm shift in camera technology. Instead of full frames, the sensor captures a sparse set of events caused by intensity changes. Since only the changes are transferred, those cameras are able to capture quick…

Computer Vision and Pattern Recognition · Computer Science 2017-03-22 Christian Reinbacher , Gottfried Munda , Thomas Pock

We study the challenging problem of estimating the relative pose of three calibrated cameras from four point correspondences. We propose novel efficient solutions to this problem that are based on the simple idea of using four…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Charalambos Tzamos , Viktor Kocur , Yaqing Ding , Daniel Barath , Zuzana Berger Haladova , Torsten Sattler , Zuzana Kukelova

Event-based cameras are ideal for line-based motion estimation, since they predominantly respond to edges in the scene. However, accurately determining the camera displacement based on events continues to be an open problem. This is because…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Ling Gao , Hang Su , Daniel Gehrig , Marco Cannici , Davide Scaramuzza , Laurent Kneip

Accurate visual inertial simultaneous localization and mapping (VI SLAM) for underwater robots remains a significant challenge due to frequent visual degeneracy and insufficient inertial measurement unit (IMU) motion excitation. In this…

Robotics · Computer Science 2025-10-29 Yuan Shen , Yuze Hong , Guangyang Zeng , Tengfei Zhang , Pui Yi Chui , Ziyang Hong , Junfeng Wu

In this paper, we present a novel linear algorithm to estimate the 6 DoF relative pose from consecutive frames of stereo rolling shutter (RS) cameras. Our method is derived based on the assumption that stereo cameras undergo motion with…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Ke Wang , Bin Fan , Yuchao Dai

Tracking kinematic chains has many uses from healthcare to virtual reality. Inertial measurement units, IMUs, are well-recognised for their body tracking capabilities, however, existing solutions rely on gravity and often magnetic fields…

Human-Computer Interaction · Computer Science 2024-03-08 Greg K. Stretton , George Alex Koulieris

Relative pose estimation, a fundamental computer vision problem, has been extensively studied for decades. Existing methods either estimate and decompose the essential matrix or directly estimate the rotation and translation to obtain the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Hongbo Zhao , Ziwei Long , Mengtan Zhang , Hanli Wang , Qijun Chen , Rui Fan

This paper addresses the problem of estimating the attitude of a rigid body, which is subject to high accelerations and equipped with inertial measurement unit (IMU) and sensors providing the body velocity (expressed in the reference frame…

Optimization and Control · Mathematics 2020-02-25 Mehdi Benallegue , Abdelaziz Benallegue , Rafael Cisneros , Yacine Chitour

We present a snapshot imaging technique for recovering 3D surrounding views of miniature scenes. Due to their intricacy, miniature scenes with objects sized in millimeters are difficult to reconstruct, yet miniatures are common in life and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Yufan Zhang , Yu Ji , Yu Guo , Jinwei Ye

We propose a novel method to enhance the accuracy of the Iterative Closest Point (ICP) algorithm by integrating altitude constraints from a barometric pressure sensor. While ICP is widely used in mobile robotics for Simultaneous…

Robotics · Computer Science 2025-03-10 William Dubois , Nicolas Samson , Effie Daum , Johann Laconte , François Pomerleau

Given 2D point correspondences between an image pair, inferring the camera motion is a fundamental issue in the computer vision community. The existing works generally set out from the epipolar constraint and estimate the essential matrix,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Guangyang Zeng , Qingcheng Zeng , Xinghan Li , Biqiang Mu , Jiming Chen , Ling Shi , Junfeng Wu

This paper presents a new method for jointly calibrating a magnetometer and inertial measurement unit (IMU), focusing on balancing calibration accuracy and computational efficiency. The proposed method is based on a maximum a posteriori…

Robotics · Computer Science 2026-04-22 Chuan Huang , Gustaf Hendeby , Isaac Skog

Optical cameras are gaining popularity as the suitable sensor for relative navigation in space due to their attractive sizing, power and cost properties when compared to conventional flight hardware or costly laser-based systems. However, a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Duarte Rondao , Nabil Aouf , Mark A. Richardson , Vincent Dubanchet

Rolling shutter distortion is highly undesirable for photography and computer vision algorithms (e.g., visual SLAM) because pixels can be potentially captured at different times and poses. In this paper, we propose a deep neural network to…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Jiawei Mo , Md Jahidul Islam , Junaed Sattar

We introduce LighthouseGS, a practical novel view synthesis framework based on 3D Gaussian Splatting that utilizes simple panorama-style captures from a single mobile device. While convenient, this rotation-dominant motion and narrow…

Graphics · Computer Science 2026-02-12 Seungoh Han , Jaehoon Jang , Hyunsu Kim , Jaeheung Surh , Junhyung Kwak , Hyowon Ha , Kyungdon Joo

In motion tracking of connected multi-body systems Inertial Measurement Units (IMUs) are used in a wide variety of applications, since they provide a low-cost easy-to-use method for orientation estimation. However, in indoor environments or…

Systems and Control · Electrical Eng. & Systems 2021-08-11 Dustin Lehmann , Daniel Laidig , Raphael Deimel , Thomas Seel