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multiscaledbased
- 第一:边界加强,通过估计噪声和实际信号的比值,来确定各个尺度的细节系数,以达到噪声抑制和边界加强。第二,通过对小波分解的近似部分进行直方图均衡,达到加大整幅图片的对比度,而不太影响细节的目的。
wavelets
- MATLAB下通过多种小波实验了解小波变换的原理教程及示例代码 包括的多个示例源代码有:一维线性非线性近似、二维线性非线性近似、使用线性滤波过滤噪声、使用小波门限消除噪声、使用小波变换压缩一维信号、二维小波图像压缩等等。
work
- MATLAB环境下,一维小波分解并提取细节系数和近似系数,再加小波包分解信号-MATLAB environment, the one-dimensional wavelet decomposition and extract detail coefficients and approximation coefficients of wavelet packet decomposition of signal plus
Matlab_Wavelet_Denoise_Compress
- 包括的多个示例源代码有:一维线性非线性近似、二维线性非线性近似、使用线性滤波过滤噪声、使用小波门限消除噪声、使用小波变换压缩一维信号、二维小波图像压缩等等。-Including the source code of a number of examples are: a linear one-dimensional non-linear approximation, nonlinear two-dimensional linear approximation, the use of linear
MATLAB_Wavelet
- MATLAB下小波变换的原理教程及示例 包括:一维线性非线性近似、二维线性非线性近似、使用线性滤波过滤噪声、使用小波门限消除噪声、使用小波变换压缩一维信号、二维小波图像压缩等等。-MATLAB wavelet transform under the principle of tutorials and examples include: one-dimensional linear non-linear approximation, two-dimensional linear non-line
xiaobofenjie
- 三个函数信号叠加,进行小波分解,提取近似信号与原信号比较-Superposition of three functions signals, wavelet decomposition, similar to the signal extraction compared with the original signal
xiaobofenxi
- 对一个信号进行连续小波分解 提取小波细节系数 提取近似系数 -On a continuous wavelet signal decomposition extracted wavelet detail coefficients extract approximate coefficient
slp1
- 利用小波变换,提取心电信号中呼吸成分,呼吸成分位于较低的近似成分中。-Using wavelet transform, to extract the respiratory components of the ECG, respiratory components in the composition of the lower approximation
lamponpowerf1
- 将功率信号进行一维小波变换,并提取细节系数和近似系数。-One dimensional wavelet transform, extraction of detail coefficients and approximation coefficients.