搜索资源列表
wavelet
- matlab小波分析源程序，包含小波分解去噪，奇异点检测，实际工程中的故障检测，图像处理-matlab
medicalcengshu
- ：根据小波低频子带图像的轮廓模糊度和高频子带图像的细节信息量随小波分解层数增多而增多的规律，从图像熵 出发，提出了一种基于低频子带图像熵差的最佳小波分解层数选择法, 该方法通过计算不同分解层数下各低频子带的图像 熵差，选择最接近原始图像熵差的分解层数作为最佳分解层数。用多种基于小波变换的图像融合法分别对两组医学图像进 行仿真实验，结果表明根据该分解层数选择法得到的融合图像目视效果最好，与相关系数、峰值信噪比、模糊Chebyshev 距离 值等客观评价指标保持了很好的一致性。
waveletDB4PRO
- 在理解了离散小波变换的基本原理和算法的基础上，通过设计VC程序对简单的一维信号进行小波分解系数；再通过改变分解得到的各层高频系数进行信号的小波重构达到消噪的目的-Understand the discrete wavelet transform in the fundamental principles and algorithms, based on the VC program by designing a simple one-dimensional signal wavelet coef
xiaobofenjie
- 1）了解小波分解与小波包分解概念区别与联系； 2）了解小波包的分解和重构算法积； 3）用matlab编程对信号进行小波包分解及小波能量图的绘制。 -1) to understand the wavelet decomposition and wavelet packet decomposition of differences and relations between concepts 2) to understand the wavelet packet decompositi
DWT_2D_matlab
- 用DWT实现二维小波变换：对图像进行二维小波分解，显示分解结果，最后重构源图像并显示结果 -Achieved using two-dimensional wavelet transform DWT: two-dimensional wavelet decomposition of the image, showing decomposition results, and finally reconstruct the source image and display the results
wavelet_1D
- 二进小波 分解,可以调节变化层数，可以自己编写下采样函数-Dyadic wavelet decomposition, changes in number of layers can be adjusted, you can write your own down-sampling function
xiaoboquzaofenxi
- 小波去噪分析，一维信号小波分解，消噪处理，重构-Analysis of wavelet denoising
xiaoboshang
- 计算小波分解后的能量及小波熵。里面还有OFDM信号和WPM信号的程序。-After calculating the energy of wavelet decomposition and wavelet entropy. There is also OFDM signal and the WPM signal process.
Haar-wavelet-image--processing
- 用matlab编写的基于Haar小波变换的图像增强处理，同时可实现小波正变换，小波逆变换，实现小波分解与重构源代码。-Written by matlab Haar wavelet-based image enhancement processing, and can achieve positive wavelet transform, inverse wavelet transform, wavelet decomposition and reconstruction to achieve t
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
wavelet-decomposion
- 对信号进行小波分析，小波分解，小波重构,小波分析法滤波的步骤程序。-The signal analysis, wavelet decomposition, wavelet reconstruction, wavelet analysis filtering step process.
labview
- 利用LabViev设计虚拟消噪器，利用小波对信号进行分解，然后设定阈值，再对小波进行重构。-Denoising using LabViev virtual device design, the use of wavelet signal decomposition, and then set the threshold value, then the wavelet reconstructed.
cwdenoise
- 复小波分解的程序，对信号进行去噪，只有一个程序，实现复小波的分解-Complex wavelet decomposition process, the signal denoising, only one procedure to achieve the decomposition of complex wavelet
remove-noise-by-wavelet-transform
- 小波去噪,通过对含噪信号进行四层小波分解，此处利用db3小波系列，通过仿真发现可以很好的消除信号中的噪声-Wavelet denoising, the signal through four layers of noisy wavelet decomposition, where the use db3 wavelet series, the simulation found in the well to eliminate the noise signal
wavedec
- 用wavedec2()函数对b1,b2两幅图像进行小波分解, 采用’haar’小波, 尝试着分解到第二或第三级 融合两幅图像。-With wavedec2 () function b1, b2 two images using wavelet decomposition, using haar wavelet, trying to break into the second or third grade fusion of two images.
Wavelets
- 小波分解在图像处理和电能质量分析中应用广泛，本文应用小波分解的方法将高频的暂态信号提取出来，获取暂态信号的特征量，就能够有效地计算暂态信号。-Wavelet decomposition in image processing and power quality analysis is widely used, this application of wavelet decomposition method to extract high-frequency transient signals,
waveletsignalsingularitydetection
- 应用matlab语言实现小波分析的检测分析信号的奇异点 db小波分解 重构-matlab wavelets
wfb2rec
- 对进行二维小波分解后的图像，进行小波重构-Two-dimensional wavelet decomposition of the image, the wavelet reconstruction
具体小波变换函数
- 对二维信号X（m,n）进行离散小波变换，注：m、n均为偶数，可以计算低频部分，垂直方向，水平方向和对角线方向的小波分解系数
uniformwhitenoise
- 用db3小波对均匀白噪声进行了五级分解，研究细节部分和近似部分(The uniform white noise sequence is decomposed by db3 wavelet.)