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li6-3
- 给定一信号,用db1对信号分别进行单尺度和三尺度分解,求出各层分解的低频系数和高频系数,并分别对低频信号和高频信号进行重构,-Given a signal, the signal separately with db1-scale and three single-scale decomposition, the decomposition of low-frequency coefficients obtained layers and high-frequency coefficients,
wavelet_wx
- (1.)二维信号的小波分解。选择一个小波和小波分解的层次N,然后计算信号s到第N层的分解。 (2)对高斯系数进行阈值量化。对于从1到N的每一层,选择一个阈值,并对这一层的高斯系数进行软阈值量化处理。 (3)二维信号的重构。根据小波分解的第N层的低频系数和经过修改的从第1层到第N层的各层高频系数计算二维信号的小波重构。 -(1) 2 d signal wavelet decomposition. Choose a wavelet and wavelet decomposition le
Wavelets
- 小波数字图像处理,小波(1~3层图像处理),行变换,列变换,滤波(高通、低通)。图像增强,融合等-Wavelet digital image processing, wavelet (1 to 3 layers of image processing), row transform and column transform, filter (high pass, low pass). Image enhancement, integration, etc.
