搜索资源列表
chengxu
- 基于JPEG图像的密写技术，是一个MATLAB程序，大家可以试试看，我觉得可以-JPEG-based image steganography techniques, is a MATLAB program, we can give it a try, I think we can
DCT_based_Data_hiding
- DCT-based Data hiding: dataHide.m Hide the logo image into the original dataExtract.m Extract the logo image from the original findData.m Verify the robustness of the data hiding method 。and use jpeg compress -DCT-based Data hiding: dataHide.m H
waveback
- wavelet-Jpeg 2000 compression of still images
waveback
- Jpeg 2000 compression of images
4_JPEG_MPEG_encoding
- JPEG MPEG Encoding with matlab
wrl2mat_m
- converting .wrl(3d image) t o.jpeg file
waveletcdf9-7
- it includes wasveletcdf9-7 used in jpeg and code for image tiling -it includes wasveletcdf9-7 used in jpeg and code for image tiling ..
JPEG
- matlab编程实现JPEG编码，输出为DC系数的码流、AC系数的码流、图像的高度宽度。-matlab programming JPEG encoding, the output stream for the DC coefficients, AC coefficients of the code stream, the image height width.
yuv
- 此程序是将.yuv文件读取并且进行JPEG压缩编码，程序可用-This procedure is. Yuv file to read and to JPEG compression, the program can be used
JPEGJsteg
- Jsteg_Mu可批量对JPEG图像进行Jsteg隐写。 Jpeg_Or 为jpeg密写的原始图像的文件夹， Jpeg_Di 为jpeg密写后密写了的图像的文件夹,code_file 为密写的文件,rate 为密写嵌入率.-Jsteg_Mu JPEG images can be batch Jsteg on steganography. Jpeg_Or jpeg steganography for the original image folder, Jpeg_Di as jpeg st
jpeg_stego
- steganography in jpeg image
importfile1.m
- Imports data from the specified file,for some simple files (such as a CSV or JPEG files), IMPORTDATA might return a simple array. If so, generate a structure so that the output matches that from the Import Wizard.-Imports data from the specified file
itu-t81[1]
- Implementation of JPEG compression algorithm with JFIF header being appended.This project involves writting code for following steps : Chroma subsampling,partitioning ,level shifting,DCT,quantization,zigzag scanning(involves DC differential coding &
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
imagedatabase
- 本文首先介绍了静态图像压缩（jpeg）编码算法的基本原理、压缩的实现过程及其重要过程的离散余弦变换（DCT）算法的实现原理及软件实现的例程，所需图像-This paper describes the static image compression (jpeg) coding algorithm is the basic principle of compression process and the important process of the realization of discret
JPEG
- 对一段原始视频图像序列做压缩，生成压缩文件；对此压缩文件做解压缩处理，生成显示图像；将此显示图像与原始图像做质量、压缩文件大小等各个方面做比较。-On the original video image sequence to do a compression to generate compressed file to do this compressed file decompression processing to generate display images this shows
JPEG
- implimentation of JPEG in matlab -implimentation of JPEG in matlab
ImageCompression
- 对位图图像利用JPEG标准进行正交变换、量化、扫描从而达到压缩，同时解压显示其压缩图像。-Bitmap image using JPEG standard orthogonal transformation, quantization, scanning to achieve the compression, and decompression display the compressed image.
jpeg-compression
- compression algorithm-matlab code
jpeg2000gui
- image compression jpeg 2-image compression jpeg 2000