搜索资源列表
lorenz
- 一个Lorenz混沌系统代码,可供学习研究混沌系统的参考,对图像做加密解密处理。-A Lorenz chaotic system code available for study and research of chaotic systems reference on the image to do encryption and decryption processing.
fingerprint
- 这是matlab从runlenth code 中译码 并指纹提取的源码 一个m文件 三张 指纹图像文件-This is runlenth code in matlab from the decoding and extracting the source fingerprint of a document m 3 fingerprint image files
5956456image_encryption
- 图像加密程序,基于混沌系统的MATLAB实现-Image encryption, chaotic systems based on MATLAB to achieve
mimi
- 图像加密与密写技术,很强悍的!现在很需要这种东西的哦-密写哦!!!!!!
F5Hash
- F5隐写算法的实现,F5算法,一种适用于JPG图像的隐写算法-F5 steganography algorithm, F5 algorithm, a JPG image for steganalysis algorithm
Random_Phrase_Encryption_based_on_4f_sys
- 基于4f系统的双随机相位编码,matlab实现,用于图像加密-4f systems based on double random phase encoding, matlab realization for image encryption
quanxitu
- 基于计算全息的半色图像信息隐藏,matlab实现,用于数字水印-CGH-based semi-color image information hiding
encrypt_and_decrypt
- 对图像进行加密和解密 可以完成要保密的图像加密,传输和解密功能-encrypt and decrypt the picture
ImageEncryptionAlgorithm
- 以两个简单的logistic映射构造一个双混沌互扰系统,提出了基于双混沌互扰系统的图像加密算法.-An image encryption algorithm is proposed with inter-perturbations of dual chaotic systems constructed based on two simple logistic mapping.
aronld
- 把一幅图像置乱,相当于加密,然后用相同的密钥再反置乱还原回原始图像。-To an image scrambling, which is equivalent encryption, and then use the same key again to restore the anti-scrambling back to the original image.
watermarking
- 对音频信号分帧加窗,对每帧进行三阶小波变换,取其逼近系数平均值(一般为零).在此嵌入二值图像 并有对潜入水印信号进行盲检,恢复其嵌入水印-Sub-frame of the audio signal increases the Hamming window for each frame impletment third-order wavelet transform, whichever is close to the average coefficient (usually zero). a
2222222222
- 基于logistic图像加密的研究,是原本加密方法的改进-Study of image encryption based on the logistic
hyperchaoticencryptbitplanes
- 产生超混沌序列,并实现了超混沌序列加密灰度图像位平面。-Produce ultra-chaotic sequence, and to achieve ultra-chaotic sequence encryption grayscale bit plane.
jiami
- 图像加密隐藏的一个用MATLAB编写的好程序。-Hidden image encryption using MATLAB write a good program.
frft
- 这是离散分数傅里叶,传输2D的图像加密解密,还有密钥的加密解密-This is the discrete fractional Fourier, transmission 2D image encryption, as well as the encryption key to decrypt
lorentz
- 文字图像,通过混沌加密,利用洛伦兹变换,即三维空间加密程序-Text images, through encryption, using the Lorentz transformation, ie three-dimensional encryption program
xiaobosoundsignal
- 对原始图像在水平方向和垂直方向与2个滤波器(低通、高通)相卷积,可以得到4块面积为原图像1/4的子图,分别为水平方向低频和垂直方向低频(HH)、水平方向低频和垂直方向高频(HG)、水平方向高频和垂直方向低频(GH)、水平方向高频和垂直方向高频(GG)。-The original image in the horizontal direction and vertical direction and two filters (low pass, high pass) with convolutio
dct
- 在一个图像块中调整两个(或多个) DCT系数的相对大小。将描述一个使用数字图像作为载体的系统。在编码处理中,发送者将载体图像分成8×8的像素块,每一块只精确地编码一个秘密信息位。嵌入过程开始时,首先伪随机地选择一个图像块bi,用它对第i个消息比特进行编码。令Bi=D{bi}为DCT变换后的图像块。 在通信开始前,发送者和接收者必须对嵌入过程中使用的两个DCT系数的位置达成一致,让我们用(u1,v1)和(u2,v2)来表示这两个索引。这两个系数应该相应于余弦变换的中频,确保信息保存在信号的
chaos_Logistic
- 混沌加密序列,通过混沌映射产生加密的序列。一般用于图像的加密传输-chaos
jiamijiemi-matlab
- 实现图像加密,过程简单易懂,适用于初学者-Image encryption, the process is simple and easy to understand for beginners