同一台摄像机具有相同的固有参数? [英] Same intrinsic parameter for same camera?

问题描述

我正在做一个移动增强现实应用程序.我需要通过棋盘校准来校准摄像机，以获取内部和外部参数.

I'm doing a mobile augmented reality app. I need to calibrate my camera to get the intrinsic and extrinsic parameters using chessboard calibration.

我可以假设如果我校准我的连结4，那么所有连结都将具有相同的焦距，偏斜因子和失真矩阵?

Can I assum that if I calibrate my nexus 4, all nexus will have the same focal length, skew factor and distortion matrix ?

谢谢

推荐答案

好吧，答案可以是是"或否".正如您所说，在现实生活中，没有一台摄像机与另一台摄像机完全相同，即使它们来自同一制造商也不例外.但是，为了使我们的生活更轻松，是的，即使对摄影测量/计算机视觉项目，我们也使用这种简化方式，因为对精度的要求很高.

Well, the answer can be both YES and NO. As you say, in real life none camera is exactly the same with another one, not even if they came from the same manufacturer. But, in order to make our lifes easier, yes we use this simplification, even for photogrammetric/computer vision projects, were the accuracy demands are quite high.

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