Calibration method of camera with variable focal length based on single-view

WANG Wen-bin; LIU Gui-hua

doi:10.13873/j.1000-97872009.11.018

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Calibration method of camera with variable focal length based on single-view

更新时间：2025-09-11

- Calibration method of camera with variable focal length based on single-view
- Vol. 28, Issue 11, Pages: 102-105+108(2009)
- 作者机构：
  
  西南科技大学信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872009.11.018
  CLC： TP391.41
- Published：2009
- 稿件说明：
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[1]王文斌,刘桂华.一种基于单视图的可变焦相机标定方法[J].传感器与微系统,2009,28(11):102-105+108.

WANG Wen-bin, LIU Gui-hua. Calibration method of camera with variable focal length based on single-view[J]. 2009, 28(11): 102-105+108.
[1]王文斌,刘桂华.一种基于单视图的可变焦相机标定方法[J].传感器与微系统,2009,28(11):102-105+108. DOI： 10.13873/j.1000-97872009.11.018.

WANG Wen-bin, LIU Gui-hua. Calibration method of camera with variable focal length based on single-view[J]. 2009, 28(11): 102-105+108. DOI： 10.13873/j.1000-97872009.11.018.

摘要

提出了一种新的可变焦相机的标定方法。它采用至少6个已知空间点用最小二乘获取投影矩阵的最优解

在计算投影矩阵的基础上

利用旋转矩阵的正交性和摄像机参数之间的约束关系

用单幅图像即可实现摄像机内外参数的恢复。模拟和真实实验结果均表明了本文算法的可行性和鲁棒性。

Abstract

A novel calibration method of camera with variable focal length is proposed.By means of using the orthogonal rotation matrix and constraints among camera parameters in the single-view vision

a new algorithm to linearly and exactly calibrate the camera from single-view at least six known feature points is developed.Both simulation and true image experiments prove the feasibility and robustness of this algorithm.

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references

摄像机简化模型对三维重构的影响——分析与实验 [J]. 孙凤梅,胡占义. 计算机辅助设计与图形学学报 . 2005(10)

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