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二维小波变换
- 关于二维小波变换的程序 [精华] 说明:此算法重在概念,速度并不是很快。因为FOR循环的缘故。此程序从循环矩阵的观点出发,把圆周卷积和快速幅里叶变换建立了联系。实现了分解和无失真重构。它只做了一层分解,即将256x256图形分解成为64x64的四个图形,避免了使用WKEEP()的困惑。主要思想为用小波滤波器族构造正交阵W,变换写为B=W*A*W ,反变换为:A=W *A*W,这与所有正交变换无异。W为循环正交矩阵,因此可用FFT实现快速运算,难点就在重构矩阵上。若用矩阵概念明确,一个
二维小波变换0
- 二维小波变换源程序-wavelet transform two-dimensional source
二维小波变换程序
- 关于二维小波变换程序,用matlab编写的,请大家多提宝贵意见,-on wavelet transform two-dimensional procedures used in the preparation of Matlab, we offer valuable opinions, thank you
图像二维傅立叶变换JAVA实现
- 用JAVA语言程序实现图像的二维傅立叶变换
2ddwt二维离散db小波.rar
- 小波变换子程序,Wavelet Transform Subroutine
Wavelet1
- 二维二进小波变换源码-Dyadic wavelet transform of two-dimensional source
wavelet
- 通过matlab实现二维离散小波变换的Mallat快速算法源程序和对二维图像进行多级分解与重建-Matlab achieved by two-dimensional discrete wavelet transform Mallat fast algorithm and multi-dimensional image decomposition and reconstruction
15615
- matlab一维提升小波变换,二维提升小波变换-matlab one-dimensional wavelet transform, two-dimensional lifting wavelet transform
Gabor
- Gabor滤波器,可以对图像进行二维Gabor小波变换,用来特制提取-Gabor filter can be two-dimensional Gabor wavelet transform image, for a special extraction
一维和二维小波变换的VC实现
- 小波算法在vc的具体实现.小波算法在图像处理,视频压缩,特征提取等领域有广泛应用,程序以灰度图像为数据分别演示了一维和二维小波变换,希望对大家有所帮助.谢谢!-vc wavelet algorithm in a concrete realization. Wavelet algorithms in image processing, video compression, feature extraction and other fields have extensive application
matlab97flift
- 这是小波变换的matlab程序,一维二维的情况下都有-This is the wavelet transform matlab procedures, one-dimensional two-dimensional case have
matlab97lift
- 离散小波变换的matlab程序,包括一维与二维的-Discrete wavelet transform matlab procedures, including one-dimensional and two-dimensional
MyDwt2D
- 对图像进行二维离散小波变换, 变换级数大于等于3级,然后统计系数中0的个数(百分比表示),并进行重构, 最后计算重构图像的峰值信噪比(PSNR). 里面还附上了我写的实验报告,对大家理解Mallat算法和图像压缩很有帮助-Image two-dimensional discrete wavelet transform, transform series greater than or equal to 3, and then statistics of the number of c
xiaobo
- 本代码给出了图像的二维离散小波变换分解、重构图像以及误差图像。-The code gives the two-dimensional image decomposition of discrete wavelet transform, image reconstruction and the error image.
WaveletTransformsinMATLAB
- 执行一维和二维小波变换在MATLAB环境中。十几包括的小波函数有: * Haar * Daubechies 1-6 * Symlets 1-6 * Coiflets 1 and 2 * Splines and reverse splines * CDF 9/7 and Le Gall 5/3 * S+P wavelets (2,2), (4,2), (4,4), (6,2), and (2+2,2) * Two Ten "TT" * Low-complexit
高斯二维快速傅里叶变换
- 可以对高斯二维64*64函数进行二维快速傅里叶变换,输出的结果在“结果”txt文档中-Two-dimensional fast Fourier transform of the Gaussian two-dimensional 64* 64 function
wavelift
- 9/7小波变换以及5/3小波变换,包含了一维变换以及二维变换(this are 9/7 wavelet and 5/3 wavelet)
二维离散小波变换
- mallatm.m:一维mallat快速分解函数 mallatr.m:一维mallat快速重建函数 mallatm2d.m:二维mallat快速分解与合成算法的演示函数,要调用mallatm.m与mallatr.m 在matlab命令行键入(Two dimensional discrete wavelet transform)
二维离散小波变换的代码
- 二维小波变换,不断分层,依次类推,形成卷积数组(Two dimensional wavelet stratification, continuous.)
图像正交变换
- 在MATLAB环境中,进行图像的离散傅里叶变换和离散余弦变换 在MATLAB环境中,进行图像的离散小波变换,观察子带对重建图像的影响,理解小波变换的多分辨率特性(In the MATLAB environment, the image of the discrete wavelet transform, observe the sub-band on the reconstruction of the image, understand the multi-resolution characte