Publications (14)
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…
MicroRNAs preferentially target the genes with high transcriptional regulation complexity
Qinghua Cui, Zhenbao Yu, Youlian Pan +2
Over the past few years, microRNAs (miRNAs) have emerged as a new prominent class of gene regulatory factors that negatively regulate expression of approximately one-third of the g…
Trifocal Tensor and Relative Pose Estimation with Known Vertical Direction
Tao Li, Zhenbao Yu, Banglei Guan +3
This work presents two novel solvers for estimating the relative poses among views with known vertical directions. The vertical directions of camera views can be easily obtained us…
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…
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…
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…
Camera Calibration using a Collimator System
Shunkun Liang, Banglei Guan, Zhenbao Yu +2
Camera calibration is a crucial step in photogrammetry and 3D vision applications. In practical scenarios with a long working distance to cover a wide area, target-based calibratio…
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…
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…
A Minimal Solver for Relative Pose Estimation with Unknown Focal Length from Two Affine Correspondences
Zhenbao Yu, Shirong Ye, Ronghe Jin +4
In this paper, we aim to estimate the relative pose and focal length between two views with known intrinsic parameters except for an unknown focal length from two affine correspond…
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…
Efficient Minimal Solvers for Visual-Inertial Relative Pose Estimation in Multi-Camera Systems
Tao Li, Zhenbao Yu, Banglei Guan +2
Estimating the relative poses of multi-camera systems is a fundamental problem in computer vision, with critical applications in autonomous vehicles, mobile devices, and unmanned a…
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…
Principles of microRNA regulation of a human cellular signaling network
Qinghua Cui, Zhenbao Yu, Enrico O. Purisima +1
MicroRNAs (miRNAs) are endogenous 22-nucleotide RNAs, which suppress gene expression by selectively binding to the 3-noncoding region of specific message RNAs through base-pairing.…