Publications (42)
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…
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…
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…
Small Aerial Target Detection for Airborne Infrared Detection Systems using LightGBM and Trajectory Constraints
Xiaoliang Sun, Liangchao Guo, Wenlong Zhang +2
Factors, such as rapid relative motion, clutter background, etc., make robust small aerial target detection for airborne infrared detection systems a challenge. Existing methods ar…
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…
3D Trajectory Reconstruction of Moving Points Based on a Monocular Camera
Huayu Huang, Banglei Guan, Yang Shang +1
The motion measurement of point targets constitutes a fundamental problem in photogrammetry, with extensive applications across various engineering domains. Reconstructing a point'…
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…
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…
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…
Learning Cross-View Semantic Priors for Single-Reference Unseen Object Pose Estimation
Jiahong Chen, Jinghao Wang, Ziwen Wang +3
Single-reference unseen object 6D pose estimation reduces object onboarding by estimating poses of arbitrary novel objects from only one reference view. Recent correspondence-based…
Event-Based Method for High-Speed 3D Deformation Measurement under Extreme Illumination Conditions
Banglei Guan, Yifei Bian, Zibin Liu +6
Background: Large engineering structures, such as space launch towers and suspension bridges, are subjected to extreme forces that cause high-speed 3D deformation and compromise sa…
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…
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…
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…
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…
Perceptual Region-Driven Infrared-Visible Co-Fusion for Extreme Scene Enhancement
Jing Tao, Yonghong Zong, Banglei Guan +4
In photogrammetry, accurately fusing infrared (IR) and visible (VIS) spectra while preserving the geometric fidelity of visible features and incorporating thermal radiation is a si…
High-precision visual navigation device calibration method based on collimator
Shunkun Liang, Dongcai Tan, Banglei Guan +6
Visual navigation devices require precise calibration to achieve high-precision localization and navigation, which includes camera and attitude calibration. To address the limitati…
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…
Event-based multi-view photogrammetry for high-dynamic, high-velocity target measurement
Taihang Lei, Banglei Guan, Minzu Liang +5
The characterization of mechanical properties for high-dynamic, high-velocity target motion is essential in industries. It provides crucial data for validating weapon systems and p…
GSTurb: Gaussian Splatting for Atmospheric Turbulence Mitigation
Hanliang Du, Zhangji Lu, Zewei Cai +3
Atmospheric turbulence causes significant image degradation due to pixel displacement (tilt) and blur, particularly in long-range imaging applications. In this paper, we propose a…
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…
Oriented object detection in optical remote sensing images using deep learning: a survey
Kun Wang, Zi Wang, Zhang Li +5
Oriented object detection is a fundamental yet challenging task in remote sensing (RS), aiming to locate and classify objects with arbitrary orientations. Recent advancements in de…
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…
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…
Deep Learning Methods for Lung Cancer Segmentation in Whole-slide Histopathology Images -- the ACDC@LungHP Challenge 2019
Zhang Li, Jiehua Zhang, Tao Tan +30
Accurate segmentation of lung cancer in pathology slides is a critical step in improving patient care. We proposed the ACDC@LungHP (Automatic Cancer Detection and Classification in…
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…
DKPMV: Dense Keypoints Fusion from Multi-View RGB Frames for 6D Pose Estimation of Textureless Objects
Jiahong Chen, Jinghao Wang, Zi Wang +3
6D pose estimation of textureless objects is valuable for industrial robotic applications, yet remains challenging due to the frequent loss of depth information. Current multi-view…
Scale-Aware UAV-to-Satellite Cross-View Geo-Localization: A Semantic Geometric Approach
Yibin Ye, Shuo Chen, Kun Wang +5
Cross-View Geo-Localization (CVGL) between UAV imagery and satellite images plays a crucial role in target localization and UAV self-positioning. However, most existing methods rel…
Accurate Pose Estimation for Flight Platforms based on Divergent Multi-Aperture Imaging System
Shunkun Liang, Bin Li, Banglei Guan +3
Vision-based pose estimation plays a crucial role in the autonomous navigation of flight platforms. However, the field of view and spatial resolution of the camera limit pose estim…
Line-based 6-DoF Object Pose Estimation and Tracking With an Event Camera
Zibin Liu, Banglei Guan, Yang Shang +2
Pose estimation and tracking of objects is a fundamental application in 3D vision. Event cameras possess remarkable attributes such as high dynamic range, low latency, and resilien…
Prompt Mechanisms in Medical Imaging: A Comprehensive Survey
Hao Yang, Xinlong Liang, Zhang Li +12
Deep learning offers transformative potential in medical imaging, yet its clinical adoption is frequently hampered by challenges such as data scarcity, distribution shifts, and the…
Differential 6-DOF Pose Estimation with Provable First-Order Immunity to Camera Calibration Errors
Yueqiang Zhang, Liang Deng, Yi Zhang +5
Accurate six-degree-of-freedom (6-DOF) motion estimation is essential for robotic manipulation, autonomous systems, and structural displacement monitoring. Conventional 3D-2D metho…
Learning Affine Correspondences by Integrating Geometric Constraints
Pengju Sun, Banglei Guan, Zhenbao Yu +3
Affine correspondences have received significant attention due to their benefits in tasks like image matching and pose estimation. Existing methods for extracting affine correspond…
Stereo Event-based, 6-DOF Pose Tracking for Uncooperative Spacecraft
Zibin Liu, Banglei Guan, Yang Shang +3
Pose tracking of uncooperative spacecraft is an essential technology for space exploration and on-orbit servicing, which remains an open problem. Event cameras possess numerous adv…
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…
3D Trajectory Reconstruction of Moving Points Based on Asynchronous Cameras
Huayu Huang, Banglei Guan, Yang Shang +1
Photomechanics is a crucial branch of solid mechanics. The localization of point targets constitutes a fundamental problem in optical experimental mechanics, with extensive applica…
Bridging the Domain Gap in Satellite Pose Estimation: a Self-Training Approach based on Geometrical Constraints
Zi Wang, Minglin Chen, Yulan Guo +2
Recently, unsupervised domain adaptation in satellite pose estimation has gained increasing attention, aiming at alleviating the annotation cost for training deep models. To this e…
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…
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…
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…
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…