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paper1
基于小波变换的通信信号码元速率估计.pdf(Estimated rate based on the communication signal element wavelet transform. Pdf)
- 2013-12-17 20:51:42下载
- 积分:1
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DIGITAL-WARTERMARKING
使用DCT和小波变换的数字音频水印生成/解码程序,可存活于方差0.05的高斯白噪声及不同程度的剪切。内含程序/测试文件介绍。(Digital wartermarking encoding/decoding program with DCT and wavelet transform.
nice robustness against Gaussian noise with variance less than 0.05 and any type of cropping attack.
functions/test files introduction included)
- 2013-08-18 22:31:47下载
- 积分:1
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Daubechies-wavelet
实现构造小波基,求解小波尺度函数离散整数点的值以及实现尺度函数经伸缩后的离散值等功能。(Implement the constructor wavelet basis functions to solve the discrete wavelet scale and the realization of the value of an integer point scale after scaling function by a discrete value functions.)
- 2011-11-04 22:29:58下载
- 积分:1
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202
1、求冲激函数、阶跃函数及三角函数的小波变换
2、模极大值曲线
3、求它们的李氏指数(one, seeking impulse function, step function and trigonometry two wavelet transform, modulus maxima curve 3, Lee seeking their index)
- 2007-03-13 11:29:45下载
- 积分:1
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decomposition
运行emd,得到输入信号X的固有模态函数(imf),每列代表着信号X的一阶分量,X就是我们采集的信号。
hhtdn是hht去噪的程序,可以不看,仅看emd 和 findpeaks
wvtdn是wavelet去噪程序,如果只是分解信号,仅用下面的语句即可
[C,L] = wavedec(x_noise,dl,wn);
x_noise就是我们采集的信号,dl是分解的阶数,wn是分解的母小波名称(% Empiricial Mode Decomposition (Hilbert-Huang Transform)
% imf = emd(x)
% Func : findpeaks)
- 2021-04-13 22:28:55下载
- 积分:1
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tezhengtiqu
基于小波变换的特征提取,并且给出了利用小波变换的纹理特征提取和颜色特征提取。(Feature extraction based on wavelet transform and wavelet transform are given texture and color feature extraction feature extraction.)
- 2011-07-21 11:33:43下载
- 积分:1
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用opencv实现各种低通滤波器
对图像进行滤波处理是图像处理中最常见的一种操作类型。而这其中低通滤波(也可以叫做平滑)有事各种滤波处理中最常用的。这里就简单写写 OpenCV 中提供的几种低通滤波方法。
具体思路:对源图像进行离散傅里叶变换,滤波后通过cvDFT进行傅里叶逆变换得到理想低通滤波器、巴特沃斯低通滤波器、高斯低通滤波器后图像
- 2022-03-04 13:06:18下载
- 积分:1
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qubeijing
用小波变换去除荧光背景,扣除基线。matlab(Remove fluorescence background, net baseline using wavelet transform. matlab)
- 2020-11-10 16:29:46下载
- 积分:1
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Enter_matrices_examples
此代码是用在被成为数学魔法师的MAPLE软件上运行的。此代码清晰的描述了欧拉公式的图象变换。以及如何在MAPLE里解欧拉公式。(This code is used in the magician to become the MAPLE mathematical software running. This code describes a clear image transform Euler formula. And how to MAPLE Euler formula in solution.)
- 2008-07-24 14:00:02下载
- 积分:1
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watermarking
使用了Arnold置乱算法,实现了基于小波变换的数字图像水印(Arnold used the scrambling algorithm based on wavelet transform of digital image watermarking)
- 2009-06-05 10:38:49下载
- 积分:1