A calibration method for stereovision system based on solid circle target

B Shan, W Yuan, Z Xue - Measurement, 2019 - Elsevier
All kinds of calibration methods have many optimal variables and complicated computation.
How to calibrate stereovision system rapidly and precisely is always a pressing problem in …

Stereovision monitoring for entire collapse of a three‐story frame model under earthquake excitation

B Shan, W Yuan, H Wang, Z Zuo… - Structural Control and …, 2018 - Wiley Online Library
During the stage of structural collapse, conventional contact sensors are usually taken away
from structure to protect sensors, and the entire displacement curves of structural collapse …

[PDF][PDF] 一种基于实心圆靶标的立体视觉系统标定方法

单宝华, 袁文厅, 刘洋 - 光学学报, 2016 - researching.cn
摘要针对立体视觉系统中快速高精度标定等问题, 提出一种基于实心圆靶标的立体视觉系统标定
方法. 使用CannyGZernike 组合算法实现圆心坐标的亚像素定位, 并给出基于三角形标记的圆心 …

双目立体测量系统标定的三步法

张辉, 张丽艳, 韦虎 - 中国机械工程, 2009 - cmemo.org.cn
提出了一种简便易行的双目立体测量系统标定的三步法. 利用平面标定板的射影变换性质,
闭式求解摄像机的线性内外参数; 以此为初始值, 以重投影误差为目标函数, 采用非线性优化算法 …

Scale and rotation invariant two view microgripper detection that uses a planar pattern

J Hirvonen, P Kallio - IFAC Proceedings Volumes, 2013 - Elsevier
In automated grasping of microparts or objects with unknown dimensions and orientations,
at least two cameras have to be used to acquire the depth information. In addition to …

Towards high precision internal camera calibration

V Rudakova - 2014 - pastel.hal.science
This dissertation focuses on internal camera calibration and, especially, on its high-precision
aspects. Two main threads are followed and examined: lens chromatic aberration correction …

AUTOMATIZOVANÝ SYSTÉM DOBRUSOVANIA LAPOVACÍCH KOTÚČOV LOŽISKOVÝCH GULIČIEK

S Laco, V Chmelko - Zborník abstraktov - sjf.stuba.sk
Práca sa zaoberá analýzou problému a návrhom riešenia automatizovaného systému
dobrusovania lapovacích kotúčov. Podrobne skúma prvú fázu projektu zaoberajúcu sa …

[PDF][PDF] Hole Ellipse Extraction Algorithm Based on Machine Vision

YY Zhu, SY Li, Y Shi, ZS Li - 2021 - bit.nkust.edu.tw
Machine vision positioning technology can accurately identify the characteristics of the
reference hole on the workpiece and extract the position of the hole center. It can guarantee …

A Novel Camera Calibration Method Based on Circle Array Target

HR Wang, W Ding - Advanced Materials Research, 2012 - Trans Tech Publ
To improve accuracy of computer visual inspection in keyboard automatic assembly line, a
new two-stage camera calibration method was presented. 2D circle array was used as …

[引用][C] 基于改进Zernike 矩的亚像素钻铆圆孔检测方法

陈璐, 关立文 - 清华大学学报(自然科学版), 2019