求翻译：本文第二章对现在常用的几种亚像素边缘检测算法（基于矩的亚像素边缘检测、基于高斯拟合的亚像素边缘检测、基于插值的亚像素边缘检测原理）的一般步骤，检测原理及其算法进行了详细的介绍和分析，根据算法的特点得知了其优缺点。与此同时，在此基础上本文在第四章提出了一种新的算法---基于三次样条插值的亚像素边缘检测.根据三次样条函数的定义和性质，提出了基于三次样条插值的边缘检测算法的原理，并在Matlab的平台上验证了该算法的可行性，得出结论。通过本课题的研究可以为以后进一步提高独立工作能力。是什么意思？

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CHAPTER 2 of this article are now commonly used in the pixel edge detection algorithm (based on the torque converter in the pixel edge detection, based on the Gaussian fit the pixel edge detection, based on the value of the pixel edge detection theory) of the general steps to test the theory and alg

The this article second chapter to the present commonly used several kind of Asia picture element edge examination algorithm (based on moment Asian picture element edge examination, Asian picture element edge examination, based on interpolation Asian picture element edge examination principle which

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