搜索资源列表
MATLAB
- 一个很好的matlab生成小波系数的小程序,可能会用到其它的命令-wavelet coefficient code
coefficient
- 基于小波变换的语音信号系数提取,简单易懂-The coefficients of speech signal based on wavelet transform are extracted, It is easy to understand.
xiaobobaoquzao
- 小波分解,提取系数,以及各种不同阈值去噪方法,比较全面,可以参考一下-Wavelet decomposition, extraction coefficient, and a variety of different thresholding methods, more comprehensive, you can refer to
image-construction-by-fft-and-wt
- 傅里叶变换和小波变换重建图像的比较效果,这个程序可以用来实现四个要求:1、FFT和WT重建效果比较;2、通过改变小波来比较重建效果;3、通过改变分解层数来比较重建效果;4、通过改变大系数个数来比较重建效果。其中还有一个计算PSNR的程序-the comparative effect of reconstruction image by Fourier transform and wavelet transform 。 the program can be used to achieve the
XINXISHANG
- 求小波变换后各层系数的信息熵,希望对大家有用-Seek after the wavelet transform coefficient of each layer of information entropy, hope useful for everyone
chengxu
- 基于小波变换的图像融合代码,低频小波系数加权平均,高频取绝对值较大融合策略 ----小波变换后使用最简单融合规则,效果一般,比空域直接融合稍微好点-Image fusion based on wavelet transform code, weighted average of the low frequency wavelet coefficient, high frequency take absolute value is larger fusion strategy - us
hvs
- HVS人体视觉小波水印 小波水印分为三步: 分解,嵌入,重构,提取 HVS人体视觉:着重在于三个系数的使用-HVS human visual watermark wavelet wavelet watermark divided into three steps: decomposition, embedded, reconfigurable, extract HVS human visual: focus on is the use of three factor
cca
- 去除小波系数相关性,可用来去除信号的干扰-Remove the wavelet coefficient of correlation, can be used to get rid of the interference signal
baofao_v18
- 欢迎大家下载学习,最终的权值矩阵就是滤波器的系数,关于小波的matlab复合分析。- Welcome to download the study, The final weight matrix is ??the filter coefficient, Matlab wavelet analysis on complex.
vbwavelet
- VB 小波分析 用来对信号去噪,能够求出尺度系数与小波系数-VB wavelet to denoise the signal
niumai_v25
- 最终的权值矩阵就是滤波器的系数,基于欧几里得距离的聚类分析,Gabor小波变换与PCA的人脸识别代码。- The final weight matrix is ??the filter coefficient, Clustering analysis based on Euclidean distance, Gabor wavelet transform and PCA face recognition code.
munqao_v82
- Gabor小波变换与PCA的人脸识别代码,最终的权值矩阵就是滤波器的系数,DSmT证据推理的组合公式计算函数。- Gabor wavelet transform and PCA face recognition code, The final weight matrix is ??the filter coefficient, Combination formula DSmT evidence reasoning calculation function.
lianxuxiaobo
- 这个程序可以提取小波系数,师兄用的程序,特别好用 只需要改一下数据就可以直接用 推荐下载-This program can be extracted wavelet coefficients, with senior program is particularly useful only need to change what data can be directly recommended download
erweixiaoboquzao
- 小波域阈值去噪 将信号映射到小波域,根据噪声和噪声的小波系数在不同尺度上具有不同的性质和机理,对含噪信号的小波系数进行处理。 -Thresholding in wavelet domain to the wavelet domain signal mapped, in accordance with noise and noise wavelet coefficients have different properties and mechanisms at different scal
shang_xishu2_ca
- 对信号求功率谱熵、相关系数,并与形态虑波器结合,找去最近结构元素长度(The power spectrum entropy and correlation coefficient of the signal are used to find the recent structural element length)
cl4
- 通过已知的滤波器系数,来画出小波函数的时域图(The time domain diagram of the wavelet function is drawn by the known coefficient of the filter)
Digital-Watermarking-master
- 将要嵌入的多张水印图利用不同正交码调制,之后嵌入到被嵌入图片的小波变换系数中,对小波系数做逆变换,得到已嵌入水印图的图像。利用逆过程可提取出被嵌入的图像(The multiple watermark images to be embedded are modulated by different orthogonal codes, and then embedded into the wavelet coefficients of the embedded images, and the inv
wavelet-coherence-master
- 这是一款小波分析的代码,其中包括了功率谱、小波系数及方差的计算方法和绘图命令!(This is a wavelet analysis code that includes power spectrum, wavelet coefficients and variance calculation methods and drawing commands!)
图像去噪程序
- 小波阈值去噪具有很强的相关性,通过小波阈值处理,可以将噪声分为对应的小波系数,在经过阈值处理可以滤除,从而达到去噪的效果。(Wavelet threshold denoising has a strong correlation. Through wavelet threshold processing, the noise can be divided into corresponding wavelet coefficients. After threshold processing, th
心电信号检测与分类算法的研究
- (1)心电信号预处理 心电信号是一种低频且含有众多噪声干扰的信号。针对心电信号存在的 噪声干扰问题,本文采用了平稳小波变换结合双变量阈值的方法对其进行去 噪处理。通过对心电信号进行八层平稳小波变换,得到不同的小波系数,采 用双变量阈值函数表达式对其进行处理得到新的小波系数,最后进行逆平稳 小波变换实现小波重构,完成心电信号去噪。Matlab 仿真结果显示,本文算 法的准确率较高,信噪比达到 84.5934dB。 (2)心电信号波形识别 反映心电信号的特征部分往往是信号的突变点,因此需