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一个简单的傅立叶带亮度描绘子提取图像的形状特征程序-A simple Fourier descr iptor with the brightness of the image shape feature extraction procedures
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Fourier transform, and plot the shape
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短时傅里叶中加各种不同类型的窗来观察窗的形状-Short-time Fourier and Canada all the different types of windows to observe the shape of the window
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The descr iptors c(k) describe the frequency contents of the curve: a value of k close to zero will describe low frequency information, an approximative shape, and the higher frequencies will describe details. For k = 0, c(k) represents the position
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