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全景摄像机标定

DOI: 10.3969/j.issn.1006-7043.2009.11.007

Keywords: 全景摄像机, 三维重建, 标定, 泰勒级数

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Abstract:

针对一般全景摄像机标定方法需要特殊的装置、设备和仅适用于满足单视点约束情况下的问题,依据从单视点指向三维点的向量投影到图像平面的过程可以用泰勒级数描述的理论,建立了双曲面全景摄像机标定方法的一般传感器参数模型.标定方法能够补偿镜子焦点与摄像机光心间的配置误差,能够应用于单视点约束没有精确满足的情况下.同时算法只需摄像机从不同位置获取棋盘格平面模板图像可以进行标定.摄像机和平面模板可以自由移动,而不需知道运动的先验知识,所以算法灵活方便,而模型的参数通过非线性优化得到,所以精度较高.

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