It is shown that the geometrical optics model can not be used to describe the object-image transformation of Gaussian beam through the lens under the general case.
结果表明，在一般情况下，几何光学模型不能描述高斯光束经这种透镜的物像变换。
This paper presents a method which can be used for the shape analysis of two-dimensional image of a moving object in terms of the fast transformation (r transformation).
本文提出了将一种快速变换(r变换)用于对运动目标的二维图象进行形状分析的方法。
Modulation of spatial frequency by means of multidimensional holographic modulating board can bring about transformation from object via frequency to image and implement pseudo-color coding.
通过多维全息调制板对空间频率进行调制，完成物-频-像的变换过程，可实现空间假彩色编码。
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