搜索资源列表
matlab
- jpeg to data matrix in r,g,b
information-hiding
- 利用DCT,LSB来对图像进行信息隐藏,在不改变图像视觉特性的前提下,达到阈下通信。-information hiding
infor-hiding
- 本程序实现了语音信号中的信息隐藏,采用DCT和LSB方法。-the information hiding technique is completed with the carrier of voice signal.
Nouveau-dossier
- java class for image watermarking, differnet Algorithm included such DCT LSB,...etc We hope to useful -java class for image watermarking, differnet Algorithm included such DCT LSB,...etc We hope to useful
DCT4
- 程序中包括了DCT,LSB,DWT的水印嵌入算法和提取算法!-Program includes DCT, LSB, DWT watermark embedding and extraction algorithms algorithms!
m
- mylsb.m是个非常完整的LSB密写源码并且密写和提取都在里面,图片我没上传,你只需要添加一个图片文件就可以了,记住图片必须是灰度图片,如果是RGB,我转换的代码也在里面很有意思哦。weipingmian.m是个提取图像位平面的程序,图片也是需要你自己加载,最后一个就是8*8块的图像DCT变换。-mylsb.m is a very complete source of LSB Steganography Steganography and extraction, and are on the
shuiyin
- 水印的潜入与提取 分为两种方法 方法一:DCT 方法二:LSB-Watermark embedding and extraction Divided into two methods Method One: DCT Method Two: LSB
files
- 数字图像隐藏及提取研究分析论文、文献等。主要研究算法为LSB算法和DCT奇偶量化、DCT均值量化。-Digital Image Information Hiding and Extraction of analytical papers, literature. The main algorithm for the LSB algorithm and DCT parity quantization, DCT mean quantization.
watermark
- 文件夹LSB中是空域LSB算法程序,文件夹COX中是Cox算法主要程序,文件夹DCT中是频域加在中频的算法的程序。 步骤:把LSB,COX,DCT三个文件夹考在MATLAB目录下; 运行lsb_embed,programme,dct2_embed_mod即可。其中PSNR.m是计算峰值信噪比程序;attact.m & robust.m是攻击程序。-Content: folder LSB of spatial LSB algorithm program, folder COX Cox a
projet
- GUI for digital watermarking with four methods: LSb, LSB by concatenation, DCT , DWT in matlab
JSTEG
- Jsteg隐写算法[23][24]由D. Upham提出,该算法将秘密信息嵌入在量化后的DCT系数的LSB上,但值为-1、0、+1的DCT系数例外。提取秘密信息时,也只是将隐藏信息的图像中不等于-1、0、+1的量化DCT系数的LSB取出即可-steganography of jsteg
JSteg
- JSteg隐写技术matlab实现代码--基本思想:用秘密信息比特直接替换JPEG图像中量化后DCT系数的最低比特位,但若量化后DCT系数为0或者1,则不进行处理。(DCT系数的LSB嵌入) -JSteg steganography matlab code- the basic idea: direct replacement with the secret information bits JPEG image quantized DCT coefficients in the leas
multi_watermark
- 包含了DCT、DWT、LSB的数字水印算法以及程序的解释,并且有CONTOURLET变换的详细步骤 -Includes DCT, DWT, explain LSB digital watermarking algorithm and program, and there CONTOURLET transform detailed steps
steganography
- A Steganography Implementation based on LSB & DCT
YINPIN
- 利用dct变换,,以及LSB置换,将水印信息嵌入到音频信号中-use dct and lsb,make the watermark embedding the vedio
shizishuiyin
- 数字水印图像处理,Vc6.0环境,DCT以及LSB-Digital watermark image processing
dw
- 这个代码是双重水印,采用MATLAB编写,两lsb dct 俩种方法。比较适合做小项目,或者入门看。-This code is dual watermark, using MATLAB to prepare, two lsb dct two ways. More suitable for small projects, or entry look
lsb-MATLAB
- 本论文包含5个源程序,分别为LSBCut、LSBCollage、DCTCut、DCTCollage和PSNR,其中LSBCut实现了LSB水印算法的剪切篡改的检测、LSBCollage实现了LSB水印算法的拼贴篡改的检测、DCTCut实现了DCT水印算法的剪切篡改的检测、DCTCollage实现了DCT水印算法的拼贴篡改的检测、PSNR功能是计算嵌入水印嵌入的峰值信噪比,以此来说明嵌入水印后图像载体的失真大小。LSBCut、LSBCollage、DCTCut、DCTCollage是独立的程序,每
Jsteg
- 基于DCT的jsteg图像隐写及分析算法,MATLAB实现。 JSteg的算法主要思想是将秘密消息嵌入在量化后的DCT系数的最低比特位上,但对原始值为O、1的DCT系数不进行嵌入。提取秘密消息时,只需将载密图像中不等于0、l的量化DcT系数的LSB取出即可。(The main idea of the JSteg algorithm is to embed secret messages in the lowest bit of the quantized DCT coefficients, b
DCT域内的LSB隐写
- dct情况下的LSB隐写术,在图片中隐藏合适的信息(DCT LSB hiding to hide some information)