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vc 傅立叶变换

于 2022-08-06 发布 文件大小:1.24 kB
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应用背景图像正交变换  , 傅立叶变换优化,在对图像进行傅里叶变换变换是复杂度为O(n^2),当n很大时 此算法可以优化关键技术采用FFT和IFFT进行傅立叶变换 ,大大缩减运行时间 节约系统资源 傅立叶定理 卷积定理

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