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一维小波单支重构函数
- 一维小波单支重构函数，一维小波系数直接重构函数-Single one-dimensional reconstruction of wavelet functions, the direct reconstruction of one-dimensional wavelet function
多尺度边缘检测实例
- 一个多尺度边缘检测实例，方法是： 1、先对图像进行3个尺度的小波变换； 2、求小波系数的模值及其梯度方向； 3、确定模的极大值，即候选边缘点； 4、通过反变换合成3个尺度的模的极值图像,A multi-scale edge detection example, the method is: 1, first image of the three-scale wavelet transform 2, and the modulus value of wavelet coefficient and
wave2gray
- 小波系数显示的MATLAB函数，冈萨雷斯MATLAB版书中的内容-MATLAB function displays the wavelet coefficients, Gonzalez MATLAB version of the book' s content
wavepenergy
- 小波包能量代码，利用db1小波将信号分解和重构，然后计算小波系数的平方，进行正则化-Wavelet packet energy code, the use db1 wavelet signal decomposition and reconstruction, and then calculate the square of wavelet coefficients, the regularization
1-encryprion-JPEG2000-Image-by-Arnold
- 针对JPEG2000格式的图像，利用了Arnold变换对图像的小波系数进行加密，对初步研究JPEG2000图像加密算法的有试用价值-JPEG2000 image format for the use of the Arnold transform the image of the wavelet coefficients encryption, preliminary study of the JPEG2000 image encryption algorithms have tested th
pinyu
- 用小波系数提取出音频的频域特征。比如lpc等特征。效果好！-Extracted using wavelet coefficients of the frequency-domain characteristics of the audio. Characteristics such as LPC. Good!
RLS0
- 对于一实测时间序列,我想用matlab中的小波分析功能找出其周期和突变点，现在只能做出其小波系数图，请教高手指点如何将其转化为频率图？附件的论文里有用这个方法的，但不知其中的图是如何做出，从图上如何看出周期和突变点？谢谢！
xiaobo
- 一篇关于小波去噪的算法论文，通过改进小波系数实现-About a wavelet denoising algorithm thesis, through improved implementation of wavelet coefficients
53quincunxADLwavelet
- 方向自适应的小波变换程序（5/3） 本人自己编写，有些简陋，采用固定块大小，方向冗余没有与小波系数进行率失真优化-adaptive directional lifting wavelet （ADL）
2Dwavelet
- 该程序用来实现对图片的多级小波分解！提取多级分解后各子带的小波系数！-The program is used to achieve multi-level wavelet decomposition of an image! And extraction of multi-level decomposition of the wavelet coefficients of each sub-band!
wave
- 此压缩包包含有小波变换图像处理的多个matlab源代码，包括：小波分解，小波系数分解，小波重构，小波灰值处理等-This compression bag contains wavelet transform image processing of multiple matlab source, including: wavelet decomposition, wavelet coefficients of wavelet decomposition and so on
Matlabwaveenergy
- 对信号f(x)进行三层小波变换，得到小波系数d1,d2,d3和逼近系数a3，我想求出各个频率段的能量（能量=小波系数的平方和），很不错的应用程序-The signal f (x) for three wavelet transform, wavelet coefficients d1, d2, d3 and approximation coefficients a3, I would like to find the energy of each frequency band (energy =
wavelet-reconstruction
- 重构是用分解得到的多分辨率下的小波系数，将多尺度小波合成原信号.不是分解完了马上重构的，中间可能有去噪的过程啊，压缩的过程.-Reconstruction is under multi-resolution decomposition of the wavelet coefficients, the wavelet multi-scale synthesis of the original signal reconstruction is not immediately broken down
小波变换,高频系数重构
- 小波变换，小波重构，MATLAB，数据载入，绘图(Wavelet transform, wavelet reconstruction, MATLAB)
小波变换
- 用keil4编写C代码实现小波变换，以Daubechies小波基进行常用波形的尺度系数和小波系数提取(C code written in keil4, wavelet transform, Daubechies wavelet basis for the commonly used waveform scale coefficients and wavelet coefficients extraction)
小波分解与重构
- 对信号进行多尺度分解并提取小波的高频系数和低频系数(Multi-scale decomposition of signals and extraction of high frequency coefficients and low frequency coefficients of wavelet)
小波变换
- 冈萨雷斯matlab学习中的快速小波变换系数的计算(Calculation of fast wavelet transform coefficients in Gonzales matlab learning)
小波分解重构
- 小波分解重构，可以作为研究小波频率的一个重要参考，但是注意，该代码分解出来的高低频系数不能完全当作滤波器使用，只是参考。(Wavelet decomposition and reconstruction can be used as an important reference for studying wavelet frequency, but attention is paid to the high and low frequency coefficients decomposed by
小波变换
- 该程序为小波变换以及小波包变换。将波形进行多尺度分解变换，得到近似系数以及细节系数。(The program uses wavelet transform to transform the waveform into multiscale decomposition, and obtains the approximate coefficient and the detail coefficient.)
新的小波去噪程序
- 通过分析硬阈值函数的数学特性，并考察其对电能质量扰动信号的去噪过程可知， 该算法仅简单的对小波系数进行剔除与保留，在抑制噪声的同时也容易将突变点去除， 最终导致扰动定位失效，不利于分析电网故障的类型以及发生的起止时刻。(By analyzing the mathematical characteristics of the hard threshold function and investigating its denoising process to the power quality