Estimating fisheye camera parameters from homography

Estimating fisheye camera parameters from homography
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从单应性估计鱼眼相机参数

DOI:
10.1007/s11432-011-4277-9
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发表时间:
2012
期刊:
Science China Information Sciences
影响因子:
--
通讯作者:
Shigang Li
Shigang Li
中科院分区:
--
文献类型:
--
作者:
Haijiang Zhu;Ping Yang;Shigang Li

文献摘要

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相似文献

本文提出了一种由两幅鱼眼图像之间的空间平面产生的单应性来线性估计鱼眼相机模型参数的方法。首先利用鱼眼图像中的四个特征点来计算单应点,而不是同一直线上的三个点。在假设鱼眼摄像机模型为多项式模型的前提下,通过单应函数推导出鱼眼摄像机模型参数的约束条件。然后计算了不同阶多项式的模型参数。该方法只需要多幅鱼眼图像来包含一个平面场景,而不需要该平面场景的3D坐标的先验知识。对合成数据和真实鱼眼图像的实验结果证明了该方法的有效性。该方法也可以推广到不包括平面标定对象的其他平面场景的鱼眼图像。
This paper presents a method to linearly estimate fisheye camera model parameters from the homography induced by the space plane between two fisheye images. The homography is firstly calculated by using four feature points, instead of three points on the same line, in the fisheye image. And the constraint on the model parameters of fisheye camera can be derived from the homography under the assumption that fisheye camera model is a polynomial model. Then the model parameters for different order polynomials are computed. The proposed technique requires only multiple fisheye images to include a planar scene and need not a priori knowledge of 3D coordinate of the planar scene. Experimental results with synthetic data and real fisheye images demonstrate the validity of our method. The method can also be extended to fisheye image of other planar scene excluding the planar calibration object.
DOI: 10.1109/34.888718
发表时间: 2000-11-01
影响因子: 23.6
作者:
Zhang, ZY
通讯作者: Zhang, ZY
校准尼康鱼眼转换器 FC-E8 的视角和镜头畸变。
DOI: --
发表时间: 2004
期刊: Journal of Forest Research 9
影响因子: --
作者:
Inoue;A.;Yamamoto;K.;Mizoue;N.;Kawahara;Y.
通讯作者: Y.