搜索资源列表
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.
digital_image
- 型数字图象处理源码 大型数字图象处理,如图象分割,边缘识别,各种变换等 -Source digital image processing large-scale digital image processing, such as image segmentation, edge identification, such as the various transformation
watermarking
- 采用小波变换的方法实现了数字水印的嵌入与提取,效果非常不错!-Using wavelet transform method to achieve the digital watermark embedding and extraction, the effect is very good!
ImageHandle
- 图像处理系统是一个典型的图像处理软件,主要用gdi+完成。它由图像显示、图像转换、图像处理、字符识别、其他和帮助等几部分组成。 图像显示模块 该模块主要包括显示位图、显示JPEG、显示GIF 3个部分。 图像转换模块 该模块主要包括位图转换为JPEG、JPEG转换为位图、位图转换为GIF,GIF转换为位图4个部分。 图像处理模块 该模块主要包括图像旋转、图像锐化处理、图像反色处理、灰度化处理、线性变换5个部分。 字符识别模块 该模块主要包含手写数字识别。 -I
Houghtransform
- 图像处理的霍夫变换程序,采用M语言编写,对数字图像进行直线追踪-HOUGHLINES- detects lines in a binary image using common computer vision operation known as the Hough Transform.
li3-13
- 用二维离散小波变换实现数字水印,实验效果良好。供参考学习并交流,-Two-dimensional discrete wavelet transform implementation of digital watermarking, experiments good results. For information to learn and exchange,
dft
- 数字信号处理中的离散傅里叶变换和快速傅里叶变换的实验指导书-Digital signal processing discrete Fourier transform and Fast Fourier Transform experimental guide books
dwt-watermarking
- 本利用MATLAB,结合aronld变换实现了基于小波分解的图像数字水印算法,经调试通过-The use of MATLAB, with aronld Transform Wavelet-based Image Watermarking by debugging through the
dwt_gray_watermaking
- 一种基于小波变换的灰度数字水印嵌入算法,使用matlab实现,含有原始论文。不过不是很理想,希望大家改进-Gray-scale based on wavelet transform digital watermark embedding algorithm, using matlab implementation, containing the original papers. But not very good, hope that we improve the
MatermarkingDWT_DCT
- 提出一种基于DWT和DCT域的有意义二值图像数字水印算法 利用Arnold变换对水印序列进行置乱,消除 象素的空间相关性,增加水印的安全性 而结合小波变换和离散余弦变换的特性,将水印信息嵌入到图像变换域的低频和 中频系数中,提高水印的鲁棒性和不可见性 实验证明该算法具有较好的抗压缩、抗噪音和抗剪切性。-Watermarking in DWT and DCT area
Demo
- 数字图像处理功能演示,包括几何变换,形态学,灰度变换,图像增强,图像滤波等功能-Presentation of digital image processing functions, including the geometric transformation, morphology, gray-scale transformation, image enhancement, image filtering and other functions
zhiluanbianhuan
- 置乱变换核心程序,是整个多重数字水印嵌入技术的重点,主要利用的是置乱变换的周期性,不同大小的图像有不同的周期,可以作为传输的密钥-Scrambling transform core processes, it is the multiple digital watermark embedding technology, mainly focused on the use of scrambling transformation is the cyclical nature of the imag
image
- 该上传为数字图像处理实验资料,包括实验原理和实验程序,有四个实验:图像的显示和视觉特性,图像的变换与量化实验,图像压缩综合实验,图像增强实验。可供朋友们学习数字图像处理方面参考。-The uploading of digital image processing experimental data, including the experimental principle and the experimental procedure, there are four experiments: an
IIRditonh
- 本实验首先按照给定技术指标采用模拟低通滤波器(巴特沃思低通滤波器)去逼近理想模拟低通滤波器,然后通过双线性变换法对模拟滤波器进行数字化,得到数字滤波器。-In this study, first of all technical specifications in accordance with a given analog low-pass filter (Butterworth low-pass filter) to approximate the ideal analog low-pass
watemarkr
- 一种基于DCT变换的音频数字水印,将MP3音乐声音文件转化为WAV声音文件,将水印信息嵌入到WAV声音文件,再将WAV声音文件转化为MP3音乐声音文件。 -DCT-based audio digital watermark, the MP3 music sound files into WAV sound files, the watermark information embedded into the WAV sound files, and then WAV sound files int
IIR
- IIR数字滤波器的特点是h(n)为无限长序列。设计的基本思想是:模拟系统与离散系统存在着互相模仿的理论基础,所以可以让数字滤波器的特性去模仿一个模拟滤波器的特性,得到数字滤波器的H(z),H( )之间的变换关系。设计时,先设计一个模拟滤波器的传递函数 ,然后通过s变量与z变量之间的变换关系求出数字滤波器的系统函数H(z)。-IIR digital filter is characterized by h (n) for infinitely long sequence. The basic id
watermark
- 基于小波变换的数字水印算法matlab代码,含有各种攻击的效果对比,对做毕设的同学应该有帮助。-Digital Watermarking Based on Wavelet Transform algorithm matlab code, containing a variety of attacks on the effect of contrast on the Bi-based students should do help.
dct1_embed
- 数字水印嵌入算法,利用离散余弦变换的(dct)算法-Digital watermark embedding algorithm, using discrete cosine transform (dct) algorithm
dct1_recover
- 数字水印提取算法,利用离散余弦变换的(dct)算法-Digital watermark extraction algorithm using discrete cosine transform (dct) algorithm
restruct
- 用MATLAB实现数字图像的傅里叶变换,显示图像频谱-Digital images using MATLAB Fourier transform, display the image spectrum