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本文介绍了在图像处理、模式识别领域中常用的Hough变换（HT），推导出了HT与傅里叶变换之间的关系，通过对光的传播、傅里叶光学及物镜变化的研究，实现了短的、节省的Hough物镜。
This paper introduces the Hough Transform (HT), which is commonly used in the field of image processing and pattern recognition, and deduces the relationship between HT and Fourier Transform. Through the study of light propagation, Fourier optics and objective lens changes, Short, saved Hough objective.