确定相机参数 [英] Determining camera parameters

问题描述

给出由简单数字拍摄的照片，其中包含已知尺寸的矩形图像。我怎么能 - 在某种程度上准确 - 确定这台相机的参数？

Given a picture taken by a simple digital that contains an image of a rectangle of known dimensions. How can I - to some degree of accuracy - determine the parameters of this camera?

我最感兴趣的是平移，倾斜和摆动角度。
可选择矩形的距离会很好。

I am mostly interested in Pan-, Tilt- and Swing angles. Optionally distance to the rectangle would be nice.

我承认摄像机的焦距和分辨率应该是已知的，但可以假设它们是可用的（例如通过exif元数据）。

I acknowledge the fact that the focal length and resolution of the camera should be known, but it can be assumed that they are available (for example through exif metadata).

这个问题有没有简单的算法？

Are there any simple algorithms for this problems?

推荐答案

什么您正在寻找相机校准算法。一个常用的是张的算法。

What you are looking for are camera calibration algorithms. A commonly used one is Zhang's algorithm.

有关校准相机的更多信息， Hartley和Zisserman的教科书

For more information regarding calibrating cameras, a good source is Hartley and Zisserman's textbook

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