论文部分内容阅读
提出了一种新的高精度的摄象机参数的求解方法。文章利用透视变换理论建立了摄象机数学模型，模型中考虑了摄象机镜头的径向畸变和切向畸变，首先利用牛顿—高斯非线性搜索方法求解摄象机畸变系数和一个中间矩阵，然后再从中间矩阵中分离出其它模型参数；为解决非线性搜索的初值问题，采用线性化方法或简单迭代法初求得中间矩阵，从而加快了非线性搜索的速度，提高了非线性搜索的精度。理论及实际应用表明，该摄象机参数的求解方法速度快、精度高。
A new method to solve the camera parameters is proposed. In this paper, the mathematical model of the camera is established by using perspective transformation theory. The radial distortion and tangential distortion of the camera lens are taken into consideration in the model. Firstly, the distortion factor of the camera and an intermediate matrix are solved by Newton - Gauss nonlinear search method. And then separate the other model parameters from the intermediate matrix. In order to solve the initial value problem of nonlinear search, the linear matrix method or simple iterative method is used to obtain the intermediate matrix, which speeds up the nonlinear search and improves the nonlinear search The accuracy. Theoretical and practical applications show that the method of solving the camera parameters is fast and accurate.