Fourier transform of the image. Implemented in the code will be two images amplitude spectrum and phase spectrum of exchange, and thus to understand both the role of the image display

dft\Hydrangeas.jpg
...\H傅里叶变换幅度.jpg
...\H傅里叶变换相位.jpg
...\H幅度+T相位.jpg
...\Tulips.jpg
...\T傅里叶变换幅度.jpg
...\T傅里叶变换相位.jpg
...\T幅度+H相位.jpg
...\傅里叶变换.jpg
...\傅里叶变换.m
...\原图灰度图.jpg
...\去低频轮廓.jpg
...\去直流分量.jpg
...\幅相变换1.m
...\无压缩重构.jpg
...\进行图像压缩.jpg
dft

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