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walsh变换
- 该程序实现了对一幅图象进行Walsh变换。首先定义了一个imagewnd类, 该类可用于位图的创建、显示；WALh函数为快速沃尔什-哈达玛变换，f为时域值,F为变换域值,power为2的幂数，Walsh1函数为二维变换；在该函数中取出了一幅位图的所有像素，用来进行变换.具体算法过于专业，我就不细说了。-the realization of an image Walsh transform. First imagewnd definition of a category, such can be
SwQanbComVC
- 基于扩频的水印技术算法，用VC++实现，各种算法dct变换域、小波域算法-based on spread-spectrum technology watermark algorithm, with VC, algorithms Extra transform domain, wavelet domain algorithm
secondwavelet
- 此程序用提升法实现第二代小波变换 我用的是非整数阶小波变换 采用时域实现,步骤先列后行 正变换：分裂，预测，更新； 反变换：更新，预测，合并 只做一层（可以多层，而且每层的预测和更新方程不同）-procedure used to upgrade Method second generation wavelet transform I use a non-integer-order wavelet transform domain when used, the firs
bysj_watermark02
- 哥们基于变换域的数字水印的毕业设计，应用于图像版权保护等领域，功能强大，VC6下测试通过。-Miners transform domain-based digital watermarking graduation design, image copyright protection applied to the fields, powerful, VC6 under test.
SFLCT_SML_fusion
- 改进拉普拉斯能量和的尖锐频率局部化 Contourlet 域多聚焦图像融合方法-Sum-modified-Laplacian-based Multifocus Image Fusion Method in Cycle Spinning Sharp Frequency Localized Contourlet Transform Domain
FusionEvaluation
- Please run Demo_evaluation.m This toolbox contains Matlab files that implement the image fusion criteria used in my paper Qu Xiao-Bo, YAN Jing-Wen, XIAO Hong-Zhi, ZHU Zi-Qian. Image Fusion Algorithm Based on Spatial Frequency-Motivated P
ch2
- 第2章 信号变换 67 2.1 Z变换及MATLAB实现 67 2.1.1 Z变换的定义 68 2.1.2 Z变换的收敛域 68 2.1.3 Z逆变换 70 2.1.4 Z变换的性质 72 2.1.5 Z变换的工程应用 74 2.2 Chirp Z变换及MATLAB实现 77 2.2.1 Chirp Z变换的定义 77 2.2.2 Chirp Z变换的计算方法 79 2.2.3 Chirp Z变换的MATLAB实现 80 2.3 离散傅里叶变换及MAT
HARTLEY.ZIP
- The frequency domain plays an important role in image processing to smooth, enhance, and detect edges of images. Although image data typically does not include imaginary values, the fast Fourier transform (FFT) has been used for obtaining spect
IMAGEWATERMARKINGINTHEFIBONACCI-HAARTRANSFORMDOMAI
- 研究一种新的变换域水印，基于Fibonacci-Haar变换的图像水印的不可见性和鲁棒性。-investigate the effectiveness of a new transform domain, the Fibonacci-Haar transform in image watermarking with respect to perceptual invisibility and robustness.
Distortionless_Data_Hiding
- The code implements the following paper: Guorong Xuan, Jiang Zhu, Jidong Chen, Shi Y.Q., Zhicheng Ni, Wei Su, "Distortionless data hiding based on integer wavelet transform" IET Electronics Letters, Volume: 38, Issue 25, page 1646- 1648, Decembe
A-Hybrid-transform-domain-spread-spectrum-watermar
- 一种基于混合变换域的双重扩频盲水印算法A Hybrid transform domain spread spectrum watermarking algorithm for the dual-A Hybrid transform domain spread spectrum watermarking algorithm for the dual
Wavelet-domain-noise-suppression
- 在小波变换域实现图像噪声抑制，使用matlab编程，包括源代码实现及文档说明-In wavelet transform domain realizes image noise suppression, use matlab programming, including the source code of the realization of document descr iption
Transform-watermarking
- 这篇论文主要是对数字水印的变换域的研究，希望对大家有用-This paper is mainly to the watermark transform domain research, hope of the useful
transform-several-watermarking
- 这个是数字水印几种变换域的研究，主要是对这几种不同的变换域做了比较，对数字水印的变换介绍还是很详细的-This paper is mainly to the watermark transform domain research, hope of the useful this is digital watermarking several transform domain research, mainly is for those different transform domain are
Frequency-domain-filtering
- 用于数字图像处理中的变换域处理，这里给出的是频域滤波，24位滤波效果，离散余弦变换等。-For digital image processing in the transform domain processing, given the frequency domain filtering, 24 filtering effects, the discrete cosine transform.
transform-domain-processing
- 包含福利叶变换，频域滤波，正交变换的完整代码，并且可以直接运行测试-Including welfare leaves transform, frequency domain filtering, orthogonal transformation of the complete code, and can run the test
Wavelet-transform---image-fusion
- 小波变换-图像融合的matlab代码~ 图像融合实验。显微镜或照相机在某一次固定焦距下清晰成像的物距是一定的，即成像的物体只有一个层面是清晰而其它层面是模糊的，需要我们把各幅在不同焦距下的图像融合成一张图像，使得远近的物体都清晰。 设定好融合图像数、小波分解的层数、彩色图像的通道数等几个参数后，可对原图像进行融合。 本算法首先对彩色图像变成YIQ空间，对所有图像的各个颜色分量进行小波分解，然后在小波变换域上根据某种策略选取系数，最后做小波反变换和YIQ反变换即得结果图像。-Wa
Image-transform-domain-processing
- 图像变换域处理，包括频域滤波和正交变换等内容-Image transform domain processing
Transform-domain-processing-images
- VC++图像处理程序设计(杨淑莹)的源码-图像的变换域处理章节-vc++编程设计-VC++ image processing program design (Yang Shuying) source code- transform domain processing section image-vc++ Programming
ADVANTAGE
- Among the different kinds of steganography image steganography is mostly preferred and popular. There are various ways to perform image steganography like in transform domain and in image domain. It can be further extended to embed secret data in th