本文主要介绍了用有限仿射平面构造一些拉丁方的完备正交组的方法。
In this paper, we mainly introduce the constructing of some complete orthonormal sets of Latin squares by the finite affine planes.
介绍了数码相机的径向畸变、偏心畸变和像平面内仿射畸变对像点影响的畸变差模型；
The mathematical model of radial distortion, decentering distortion and in-plane image distortion is described.
方法分析双曲对称群的特点，改造欧式平面上构造经典分形的IFS迭代函数系，利用这种迭代函数系与双曲平面对称变换构造出组合IFS，通过随机挑选组合IFS中的仿射变换，构造双曲排列的分形集。
We recall the characteristics of the groups with hyperbolic symmetry and improve the IFS iterated function systems which are used to construct the classical fractal sets in the Euclidian plane.
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