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jpeg_1
- jpeg compression using dct transform
Vc6_Image
- VC++图像处理及源码包（大全）包括下列内容：1.数字图像获取，处理及实践应用电子书 2.数字图像获取，处理及实践应用电子书分章节源码 3.书中提及的各种算法的综合源码。压缩包里面包括的算法代码有：分章节源码内容：内容：对比度增强、灰度变换法、直方图修整法、图像平滑、图像锐化、伪彩色和假彩色增强；逆滤波复原、维纳滤波方法；傅立叶变换、离散余弦变换（DCT）、沃尔什变换、基于特征向量的变换、霍特林（Hotelling）变换、SVD变换、小波变换、Mallat算法；霍夫曼（Huffman）编码、算术
f2
- 对一幅图像进行压缩编码然后再解压缩的过程，使用的函数有dctmtx和blokproc函数-DCT-based JPEG encoding
image-processing
- 内有操作说明： 操作说明.docx 加噪：高斯、椒盐等 去噪：小波、高斯、维纳及频域上的滤波（频率可调） 压缩：JPEG、小波、PCA、位平面、FFT、DCT 以上功能都集成在了GUI界面内-There are instructions: instructions docx plus noise: Gaussian, salt and pepper and other de-noising: wavelet, Gaussian, and Wiener filter in the
SpecialVIJPG
- 自己的开源小项目：JPEG分析器。JPEG全称是 Joint Photographic Experts Group（联合图像专家小组），是当今使用最为广泛的图像编码标准。我这个项目规模不大，主要可以用来学习JPEG编码标准。结合着源代码看的话效果比较好。它支持将JPEG解码为像素数据（YUV或者RGB）。同时支持输出DCT系数等参数。使用VC 2010的MFC开发完成。 详细参考： http://blog.csdn.net/leixiaohua1020/article/details/1
shangchuan
- JPEG编解码：利用DCT系数矩阵的直流分量交流分量分别进行编码，得到JPEG矩阵-JPEG codec: the AC component by the DC component of the DCT coefficient matrix encoded separately to obtain a matrix JPEG
autodetection
- 基于DQ效应的JPEG图像真伪检测算法，通过检测图像DCT直方图的DQ效应计算图像的概率图，该算法快速、准确，能自动定位篡改区域-JPEG image detection algorithm based on the authenticity of DQ effect, calculated image by DQ effect detection probability map image DCT histogram, the algorithm is fast, accurate, and
matlab
- 用MATLAB函数实现图像DCT域信息隐藏和提取，绘制控制阈值、JPEG压缩域与隐藏鲁棒性的关系图，对实验效果进行分析。-DCT domain information hidden field extraction
Compression
- DCT base compression program for JPEG compression
data-compression-codes
- Data compression tools such as JPEG, KL TRANSFORM, DCT ETC ALGORITHM ARE given
JPEGDCT
- 基于JPEG的图像压缩代码，包含DCT变换，色度量化，霍夫曼编码，zig扫描等详细过程-Based on the JPEG image compression code, including DCT, color quantization, Huffman coding, zig scanning process in detail
jpg
- The aim of this short workshop is to demonstrate the effectiveness of the JPEG encoding/decoding process using test data and test images. As explained in the lectures the major elements of the JPEG encoding process are the DCT, the non-uniform Quanti
proiect
- In this paper we present the usefulness of the algorithm DCT (Discrete cosine Transform) blocks applied level image compression JPEG (Joint Photographic Experts Goup). It has been shown that this algorithm is the most efficient in the case of compres
backup
- A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies. DCTs are important to numerous applications in science and engineering, lossy compression of audi
code
- 一个简单的程序，演示JPEG图片DCT系数的读取与写入。-A simple code to read and write the DCT coefficients of JPEG image.
b2j
- 将bmp格式的文件转为jpeg，包括分块、dct、量化、扫描、熵编码-convert bmp to jpg
JPG
- Implementing the YCBCR and DCT stage of jpeg encoding
watermarking
- 本版本为bmp图像空域及jpeg图像DCT域 嵌入可见水印的测试版本： 图片使用测试图片文件夹下的图片，需选择原始图像，logo图像以及含可见水印的保存路径。-water marking
PicProcessing
- 图像处理。主要研究JPEG编码和解码的实现（分块、DCT、量化、熵编码、熵解码）-Image Processing by MATLAB
JPEG_Codec
- This a JPEG codec with AC/DC Huffman entropy coding, 4:2:0 Sampling, RGB/YCbCr converter. 2D-DCT and Quantization is included in the JPEG_Main. There also a Huffman table list in .txt, two sample testing picture and the bitrate-PSNR , Compressi