28 citations · 85 across the 32 of their papers we have counts for
33 papers
A Geometric Framework for Absolute Pose and Velocity Estimation with Event Cameras
Zibin Liu, Shunkun Liang, Banglei Guan +3
Despite the rapid advancements in event-based motion estimation, current geometric methods primarily focus on velocity estimation. However, absolute pose estimation, which is equal…
An Opticalmechanics Framework for Dynamic Estimation of Multibody Systems
Banglei Guan, Xuanyu Bai, Qingquan Chen +5
Conventional dynamics analysis of the human body is often constrained by the need for contact force and torque sensors and controlled laboratory environments. To address this issue…
Virtual-point-based Solutions to Handle Generalized Absolute Pose Problem
Bin Li, Banglei Guan, Shunkun Liang +1
Multi-camera systems are increasingly adopted in robotics and autonomous navigation for their wide field of view, flexibility, and fault tolerance. Nevertheless, existing PnP solve…
Event-driven dynamic trajectories reconstruction and measurement of mechanical parameters for fragments
Haoyang Li, Banglei Guan, Muxi Zha +4
During warhead detonation, high-density, high-speed, and mutually occluded fragments are generated. Their mechanical parameters (position, velocity, kinetic energy) directly determ…
Trajectory Optimization in Single and Dual-UAV Bearing-Only Target Localization
Zhijian Xiao, Huayu Huang, Bin Li +2
Bearing-only target localization is a fundamental problem in optical measurement and finds extensive applications in unmanned aerial vehicle (UAV) technology. Effective trajectory…
Minimal Solvers for Full-DoF Motion Estimation from Asynchronous Differential SfM
Shuo Pan, Banglei Guan, Bin Li +5
As a bio-inspired intelligent sensor, event cameras have introduced a new paradigm in the intelligent perception of spatiotemporal information and visual motion estimation, charact…
A Pose-only Geometric Constraint for Multi-Camera Pose Adjustment
Shunkun Liang, Banglei Guan, Bin Li +2
Multi-camera systems offer rich observation capabilities for visual navigation and 3D scene reconstruction; however, the resulting feature redundancy often compromises computationa…
Synergistic Event-SVE Imaging for Quantitative Propellant Combustion Diagnostics
Jing Tao, Taihang Lei, Banglei Guan +5
Real-time monitoring of high-energy propellant combustion is difficult. Extreme high dynamic range (HDR), microsecond-scale particle motion, and heavy smoke often occur together. T…
High Dynamic Range Imaging Based on an Asymmetric Event-SVE Camera System
Pengju Sun, Banglei Guan, Jing Tao +4
High dynamic range (HDR) imaging under extreme illumination remains challenging for conventional cameras due to overexposure. Event cameras provide microsecond temporal resolution…
A DMD-Based Adaptive Modulation Method for High Dynamic Range Imaging in High-Glare Environments
Banglei Guan, Jing Tao, Liang Xu +5
Background The accuracy of photomechanics measurements critically relies on image quality,particularly under extreme illumination conditions such as welding arc monitoring and poli…
Fusion-Restoration Image Processing Algorithm to Improve the High-Temperature Deformation Measurement
Banglei Guan, Dongcai Tan, Jing Tao +3
In the deformation measurement of high-temperature structures, image degradation caused by thermal radiation and random errors introduced by heat haze restrict the accuracy and eff…
A Hardware-Algorithm Co-Designed Framework for HDR Imaging and Dehazing in Extreme Rocket Launch Environments
Jing Tao, Banglei Guan, Pengju Sun +3
Quantitative optical measurement of critical mechanical parameters -- such as plume flow fields, shock wave structures, and nozzle oscillations -- during rocket launch faces severe…
Robust Subpixel Localization of Diagonal Markers in Large-Scale Navigation via Multi-Layer Screening and Adaptive Matching
Jing Tao, Banglei Guan, Yang Shang +2
This paper proposes a robust, high-precision positioning methodology to address localization failures arising from complex background interference in large-scale flight navigation…
Event-based high temporal resolution measurement of shock wave motion field
Taihang Lei, Banglei Guan, Minzu Liang +4
Accurate measurement of shock wave motion parameters with high spatiotemporal resolution is essential for applications such as power field testing and damage assessment. However, s…
LECalib: Line-Based Event Camera Calibration
Zibin Liu, Banglei Guan, Yang Shang +3
Camera calibration is an essential prerequisite for event-based vision applications. Current event camera calibration methods typically involve using flashing patterns, reconstruct…
Optical Flow-Guided 6DoF Object Pose Tracking with an Event Camera
Zibin Liu, Banglei Guan, Yang Shang +3
Object pose tracking is one of the pivotal technologies in multimedia, attracting ever-growing attention in recent years. Existing methods employing traditional cameras encounter n…
Globally Optimal Solution to the Generalized Relative Pose Estimation Problem using Affine Correspondences
Zhenbao Yu, Banglei Guan, Shunkun Liang +3
Mobile devices equipped with a multi-camera system and an inertial measurement unit (IMU) are widely used nowadays, such as self-driving cars. The task of relative pose estimation…
Ridge Estimation-Based Vision and Laser Ranging Fusion Localization Method for UAVs
Huayu Huang, Chen Chen, Banglei Guan +4
Tracking and measuring targets using a variety of sensors mounted on UAVs is an effective means to quickly and accurately locate the target. This paper proposes a fusion localizati…
Flexible Camera Calibration using a Collimator System
Shunkun Liang, Banglei Guan, Zhenbao Yu +5
Camera calibration is a crucial step in photogrammetry and 3D vision applications. This paper introduces a novel camera calibration method using a designed collimator system. Our c…
Collimator-assisted high-precision calibration method for event cameras
Zibin Liu, Shunkun Liang, Banglei Guan +3
Event cameras are a new type of brain-inspired visual sensor with advantages such as high dynamic range and high temporal resolution. The geometric calibration of event cameras, wh…
Asynchronous Event Stream Noise Filtering for High-frequency Structure Deformation Measurement
Yifei Bian, Banglei Guan, Zibin Liu +4
Large-scale structures suffer high-frequency deformations due to complex loads. However, harsh lighting conditions and high equipment costs limit measurement methods based on tradi…
Simultaneous Enhancement and Noise Suppression under Complex Illumination Conditions
Jing Tao, You Li, Banglei Guan +2
Under challenging light conditions, captured images often suffer from various degradations, leading to a decline in the performance of vision-based applications. Although numerous…
Optimal Pose Guidance for Stereo Calibration in 3D Deformation Measurement
Dongcai Tan, Shunkun Liang, Bin Li +11
Stereo optical measurement techniques, such as digital image correlation (DIC), are widely used in 3D deformation measurement as non-contact, full-field measurement methods, in whi…
Deterministic Object Pose Confidence Region Estimation
Jinghao Wang, Zhang Li, Zi Wang +3
6D pose confidence region estimation has emerged as a critical direction, aiming to perform uncertainty quantification for assessing the reliability of estimated poses. However, cu…