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仿射变换和透射变换是两种基本的图像变换。 Projective transformation and affine transformation are essential in the image transformation. | ||
仿射变换是系统组字的重要技术手段，基元之间通过仿射变换拼合起来组成汉字。 Affine transformation was an important formation technology in the system. Chinese character was formed by the prototypes and affine transformation. | ||
在图形生成和图象处理的实际问题中仿射变换是非常有用的。 Affine trans formation is very helpful to the study of the problems of graph generating and image processing. | ||
量化后的仿射变换t构成了图像块的分形块编码。 Quantized affine transformation t constitutes the fractal block coding of the image block. | ||
永磁同步电动机系统是一类仿射非线性系统。 Permanent magnet synchronous machine system is a nonlinear affine system. | ||
后来发现可以通过引入仿射参数而避开双值性，实质上是将两叶黎曼面分别映射到 仿射参数空间。 The double-valued problem can be simplified by introducing an appropriate affine parameter, namely, mapping the two Riemann sheets on the plane of the spectral parameter to the affine parameter space. | ||
仿射转换指的是平行线在转换后还保持平行。 An affine transformation is one in which parallel lines remain parallel after the transformation. | ||
研究了参数曲线上的一类仿射标架。 An investigation is made on an affine frame of parametric curves. | ||
本文给出了四维仿射空间中具有常截面曲率的仿射球的完全分类。 Complete classification of affine spheres with constant cross section curvature in 4-dimensional affine space is given. | ||
再通过计算曲线的统计特性作为图像间待匹配特征，并由信号相关的度量方法粗估计出图像间全局仿射变换参数。 After calculating the statistical information of curves as matching features, we can evaluate the coarse affine transformation parameters using simple correlation measure. | ||
