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orl_programming_date
- pca,用在人脸特征识别中,fisher线性判别 kpca,dwt2-pca used in facial recognition, fisher linear discriminant kpca, dwt2
dwt2
- 我自己写的小波变换，有低频系数图像，水平高频图像，垂直高频图像，希望对大家有帮助
dwt2
- 本代码基于dwt的音频水印技术，在音频中加入高斯随机水印，达到防伪的效果。-The code is based on dwt audio watermarking technology in audio watermarking by adding Gaussian random to achieve security results.
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）
tvnrreversewavelettemp
- wavelet based watermarking with dwt2 function in matlab it s an implementaton of an ieee paper.its a visible watermark it calculates the peak signal to noise ratio and the mean square error
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
DWT2
- 本程序是离散小波变化的一级小波分解，图像效果图为本人亲自所作！-DWT
DWT2
- 对源图像进行二维离散小波变换，使其适用于数字水印等进行加密处理-Two-dimensional images of the source of discrete wavelet transform to make it applicable to the digital watermark is encrypted, etc.
wavelet
- A new approach for fingerprint verification, based on wavelets and pseudo Zernike moments (PZMs), is discussed. PZMs are robust to noisy images, invariant to rotation and have a good image reconstruction capability [4]. PZMs have been used for
xiaobofenjieyuchonggou
- 图像的二维小波分解与重构，dwt2函数和idwt2函数的应用-Two-dimensional image wavelet decomposition and reconstruction, dwt2 function and function application idwt2
xiaobobao
- ch3=softt(h3,thr1 clear clc I=imread( lena512.bmp ) imshow(I) I=double(I) II=I+30*randn(size(I)) figure imshow(II,[]) [a1,h1,v1,d1]=dwt2(II, sym8 ) [a2,h2,v2,d2]=dwt2(a1, sym8 ) [a3,h3,v3,d3]=dwt2(a2, sym8 ) sigma=
wavelet-decomposition
- 利用多尺度小波分解函数dwt2对图像进行二尺度小波分解（仍然采用db1小波）-(Still using db1 wavelet multi-scale wavelet decomposition of the two-scale wavelet decomposition function dwt2 image)
Untitled
- apply dwt2 on image that related with signal processing
three-level
- three level on dwt2 by using matlab
DWT2
- 利用离散小波变换DWT实现关于图像水印处理方面的功能-Image watermarking program
MATLAB
- matlab开发环境，．编程实现二维DFT的变换，并与标准函数结果fft2进行比较，基本傅里叶、离散余弦变换，空域（完成两个程序） 增强噪声后再进行处理，利用标准函数，求图像阈值分割、边缘检测的基本使用（lena256.bmp，方法：graythresh、edge），求分水岭，利用标准函数dwt2、idwt2分解图像man_pic.jpg，基本 BP-BPbase1 -matlab development environment. Programming dimensional DFT
wavelet_decomposition2
- 对图像tire的小波单层分解，利用MATLAB自带的函数dwt2-Single tire wavelet image decomposition, using MATLAB built-in function dwt2
DW2idw2
- 使用dwt2和idwt2函数。自选一种小波函数，对“phantom.bmp”图像进行二维小波分解与重构。然后分别对分解系数进行如下操作，体会对重构结果的影响。 ①将近似系数置0，再进行二维小波重构。 ②将水平细节系数置0，再进行二维小波重构。 ③将竖直细节系数置0，再进行二维小波重构。 ④将对角细节系数置0，再进行二维小波重构。 -Using function of dw2 and idw2.
dwt2-get-rid-of-noise
- 小波去噪，一副图像去噪处理的过程，以及整个代码-wavelet to noise
project08-04
- Use the Dwt2 function the cut the four detail coefficients approximate detail coefficients ,clear the horizontal detail coefficients, clear the vertical detail coefficients, clear the diagonal detail coefficients Than Use the Idwt2 the combine this