搜索资源列表
图论讲义
- detcoef2 提取二微小波分解高频系数 appcoef2 提取二维小波分解低频系数 wthresh 进行软阈值或硬阈值处理 wthcoef2 二维信号的小波系数阈值处理 ddencmp 获取在消噪或压缩过程中的默认值阈值-detcoef2 from two high-frequency micro-wave decomposition coefficient appcoef2 extract 2D wavelet decomposi
WaveletTrans
- matlab 环境下的 二维小波变换（正和逆变换），用二维卷积实现的，其中有个子函数用于产生小波系数的（小波分解和小波重构的系数都有）！你自己也可以往里面加系数-Matlab environment 2D wavelet transform (and inverse transform), with the realization of two-dimensional convolution. these subsystems func
mentos_ezw
- 用matlab实现的EZW编码解码，对图像进行小波变换，EZW算法搜索小波系数矩阵，包括熵编码（HUFFMAN）-achieved using Matlab EZW codec, the image wavelet transform, EZW wavelet algorithm search coefficient matrix, including entropy coding (HUFFMAN)
waveletxsfj
- 对信号进行小波变换，输出各尺度的小波系数，可以根据小波系数进行薄层测量和奇异点检测。-right signal wavelet transform, the output scale wavelet coefficients. according to TLC wavelet coefficients measured and singular point detection.
WvltRevers&ConsEnhance
- 图象对比度增强及小波系数的复原，包括完成图像对比度信息的增强及图像小波系数的复原。-Image Contrast Enhancement wavelet coefficients and the recovery, including the completion of the image brightness information and images to enhance the resilience of the wavelet
Transforms
- 对小波系数的s变换，t＋s变换，以及变换系数的规范化-of wavelet transform coefficient s, t+ s transformation, and the standardization of transform coefficients
ruanyuzhi
- 二维小波分解，运用Donoho的软阈值算法，对每层算出不同的门限值筛选小波系数。-2D wavelet decomposition, use the soft Donoho threshold algorithm, right calculated for each different threshold screening wavelet coefficients.
wavelet_edge_detect_matlab
- 通过小波变换，由小波系数的梯度值提取图像的边缘-wavelet transform, wavelet coefficients from the gradient from the edge of the image
xiaoboxiaoxiaobo
- 用于小波变换,调试过很好.可以求出任意多个小波系数.-for wavelet transform, debugging very good. Can be obtained arbitrary number of wavelet coefficients.
func_Myappcoef2
- 此函数用于求得多重小波变换后的低频小波系数，在matlab自带的函数基础上改的。-this function to obtain multiple wavelet transform the low-frequency wavelet coefficients, In Matlab built-in function on the basis of reform.
coef
- 求小波系数的程序，即快速有简单 -wavelet coefficients for the procedure, Quick is a simple !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
coef_dcov1D
- 非常不错的求小波系数的程序-very good wavelet coefficients for the procedure!
wave
- short **spOriginData：二维指针，指向原始的图像数据 * * short **spTransData0：小波变换系数，存放一次水平变换后的小波系数 * * short **spTransData1：小波变换系数，存放一次数值变换后的小波系数 * * int nHeight ：图像属性参数，数值为原始图像的高度值 * * int nHeight_H ：图像属性参数，数值为
JPEG2000
- 介绍了有关静态图像压缩标准的核心算法,基于图像的小波变换对小波系数进行量化和用EBCOT算法进行压缩编码-Introduced the still image compression standard of the core algorithms, image-based wavelet transform of the wavelet coefficients used to quantify and EBCOT coding alg
wavelets
- 用小波变换,对其小波系数进行提取关系,计算图像的psnr,可以在此基础上用小波系数加水印或提特征.-Using wavelet transform, the wavelet coefficients extracted their relations, computing image psnr, can be used on the basis of the wavelet coefficients plus the character
Anewmethodofimagedenoisingbasedonwavelettransform.
- 根据图像小波分解的特点和小波分解后高频小波系数的统计特性,构造了一种新阈值函数的去噪算法。 与传统的硬阈值、软阈值函数相比,新阈值函数考虑了图像能量分布的特点,对于每一小波系数乘以一个与自身大小相 关的降噪因子,并且新阈值函数简单易于计算,具有较强的自适应性-According to the characteristics of image wavelet decomposition and wavelet decomposit
my_EZW_haar
- 用HAAR小波变换,对其小波系数进行提取关系,然后进行零树编码，实现压缩，最后解压缩，还原原图片。本人进行小优化，十分值得借鉴。-Using haar wavelet transform, the wavelet coefficients extracted their relationship, and then zero-tree coding to achieve compression, decompression Finall
12
- 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 va
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)
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