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DWT-rank4
- 许多的图像处理过程中,需要更多级别的小波分解,我的程序是四级小波分解,大家可以参考!-A lot of image processing, the need for more levels of wavelet decomposition, my 4 wavelet decomposition procedure, we can refer to!
图像小波分解-matlab
- 小波分解 利用多尺度小波分解函数dwt2对图像进行二尺度小波分解(采用db1小波)
signalwaveletdecopositon
- 一维信号的小波分解重构,其中matlat的源代码是对序列做了扩展的-One-dimensional wavelet signal decomposition and reconstruction, in which the source code matlat is extended sequences done
wavelet-matlab
- 基于小波理论的采用sym4小波分解实现图像融合。-base on wavelet map mix
Wavelet-1
- 小波程序,包含小波分解和小波重构,供大家参卡!-wavelet procedures, including wavelet decomposition and reconstucting for our reference card!
matlab1
- 我们知道,小波变换的一级分解过程是,原始信号分别进行低通、高通滤波,再分别进行二元下抽样,就得到低频、高频(也称为平均、细节)两部分系数;而多级分解则是对上一级分解得到的低频系数再进行小波分解,是一个递归过程。以下是一维小波分解的程序. -We know that a wavelet transform decomposition process is that the original signal were low-pass, high pass filter, and then
lena
- lena图像的分解将规范化后的图像的数据格式由适合显示图像的uint8格式转换为适合数值处理的double格式,再调用二维小波分解函数进行图像分解,最后为了清晰地显示分解图像的塔式结构,在图像的相应区域绘制若干分界线。 -lena image after decomposition of the standardized image data format suitable for display by the image is converted to uint8 format suita
wavlet
- 离散正交小波变换及小波重构,程序中给出测试数据,可得到这组数据小波分解后的低频分量和重构以后的数据-Discrete orthogonal wavelet transform and wavelet reconstruction, procedures given in the test data, available in this set of data after wavelet decomposition and reconstruction after low-frequency co
WaveletTransform
- 利用二维小波分析对一幅图象作2层小波分解,并在此基础上提取各层的低频信息实现图像的压缩.-The use of two-dimensional wavelet analysis of images for a 2-layer wavelet decomposition, and on this basis the low-frequency information extracted all levels to achieve image compression.
63535316jiqishijue
- 视频文字识别在视频分析与检索中有着重要作用,该算法对字幕图像进行N层小波分解,获得该视频文字的低频分量,再借助相似性度量方法实现视频文字的识别。-Video character recognition in the video analysis and retrieval plays an important role in the algorithm of subtitles images N layer wavelet decomposition, which is low-frequenc
wavelet
- 小波去噪程序原码。包括小波分解、重建、阈值门限设置等-Source wavelet denoising procedures. Including wavelet decomposition, reconstruction, threshold settings, such as threshold
a2
- 传统小波阈值去噪法 小波阈值收缩法去噪的主要依据是:小波变换特别是正交小波变换具有很强的去数据相关性,它能够使图像的能量在小波域集中在一些大的小波系数中;而噪声的能量却分布于整个小波域内,因此,经小波分解后,图像的小波系数幅值要大于噪声的系数幅值,可以认为,幅值比较大的小波系数一般以图像信号为主,而幅值比较小的小波系数在很大程度上是噪声。于是采用阈值的办法可以把信号系数保留,而使大部分噪声系数减少至零[-Study on Algorithm of Image Denosing Based o
Studyonoptimalwaveletdecompositionlevel
- 图像融合 分解层数 小波变换 多聚焦图像融合的最佳小波分解层数为5 层-Image fusion decomposition level wavelet transform multi-focus image fusion of the best wavelet decomposition of 5-storey low-rise
Neural
- matlab 编写的小波分解程序,进行模式识别-the preparation of the wavelet decomposition matlab procedures, pattern recognition
Example2_6_1
- 对图像的小波分解与重构,并且进行阈值滤波,对滤波前后的图像进行了对比-The image of the wavelet decomposition and reconstruction, and the threshold to filter the images before and after filtering were compared
test2_wavelet_decomposing
- 用两种方法做边缘检测并对比其效果:传统算子和小波分解去噪后得到的近似系数图像后提取边缘-Two ways to do edge detection and contrast the effect: the traditional operator and after denoising wavelet decomposition coefficients of the approximate image after the edge extraction
untitled
- 用matlab实现图像小波分解-Matlab image with wavelet decomposition
Matlab_wavelet
- 掌握小波分析在图像分析等各方面的应用。对图像进行二维离散小波分解、多尺度二维离散小波分解 并提取二维小波分解的高频系数和低频系数, 画出原始图形并显示分解结果。-Master the application of wavelet analysis in image analysis and other applications. Image two-dimensional discrete wavelet decomposition, multi-scale two-dimensiona
2D-Wavelet-Transformation
- 用DWT实现二维小波变换,调原始图像矩阵后进行二维小波分解,重构源图像及结果显示-Wavelet transform in 2-D dimentation
dwt2
- 本文提出了一种基于独立分量分析的音频数字水印方法。嵌入水印时,对原始音频文件进行一级小波分解,在分解 得到的逼近分量中利用随机混合方法嵌入水印后进行小波逆变换形成嵌入水印的音频文件。仿真实验结果表明这种方 法的强鲁棒性和可行性。-Abstract:Audio p roduction is one of the important digital multimedias, which transmit becomes more and more convenient. To p rev