Image Haar wavelet transform
2016-08-23
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MATLAB training program (Haar wavelet transform of the image), I just have a simple understanding of wavelet transform. But the combination of wavelet transform and Fourier transform understanding. Fourier transform are decomposed by a series of sine and cosine functions of different frequencies to the original function, transformation is obtained after the original function in different frequencies of sine and cosine coefficients. Wavelet transform using a series of different scale Wavelet Decomposition of the original function, transformation is obtained after the original function under different Wavelet coefficients. Different Wavelet transform by translations and scales, and translation in order to get functions of time characteristic of scale transformation in order to get the original function of frequency.
matlab
图像
haar
变换
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