搜索资源列表
图像dct变换的程序
- 对原始灰度图像 Lena_gray.bmp进行图像压缩实验 1.对此图进行 8×8 DCT 变换后,分别只保留 DC系数,以及保留前 4、8、16 个变换系数(DC+AC) ,然后再分别进行 IDCT 变换,比较结果。 2.可以使用 Matlab - Image Processing Toolbox 中的函数实现。 -gray image of the original image compression Lena_gray.bmp an experiment. This diagr
pieflab
- % PIEFLAB Main Directory % ---------------------- % % .m - files % ---------- % Contents.m : this file % startup.m : startup file: sets Matlab path executed automatically when % Matlab command is performed in this directory % % s
HessianImage.rar
- 基于hessian矩阵的图像处理,内附hessian的matlab源码,Hessian matrix-based image processing, Hessian containing the matlab source code
dip4
- 对原始灰度图像进行图像压缩,对此图进行 8×8 DCT 变换后,分别只保留 DC系数,以及保留前 4、8、16 个变换系数(DC+AC) ,然后再分别进行 IDCT 变换 -The original gray image compression, this map for 8 × 8 DCT transform, respectively, to retain only the DC coefficient, and to retain the former 4,8,16 months tr
repeatability_demo
- 这个matlab程序基于the repeatability criterion对几种区域检测子进行了比较,有问题可以查看下面这个网页 http://www.robots.ox.ac.uk/~vgg/research/affine/evaluation.html#eval_soft-Comparison of Affine Region Detectors
LPR_VISL
- LPR車牌辨識軟體,是由VISL實驗室開發的demo source code,可以直接在Matlab環境下執行(demo),程式主要使用類神經網路演算法(Neural Network)-License Plate Recognition-- Matlab source code, it s from VISL please visit website: http://visl.technion.ac.il/ for more information
c_code_dbn
- 这是深度置信网的C++版本。 rbm.h 实现自动编码. mnist.h 读取MNIST数据文件 spectrum.inl RGBs与颜色的映射 demo.cc 训练/测试主程序-The deep learning algorithm is based on the matlab code provided by Geoff Hinton etc at http://www.cs.toronto.edu/~hinton/MatlabForSciencePaper.html
jpeg
- 本代码由matlab语言编写,实现了jpeg算法,主要为了说明基本的JPEG功能。经过DCT变化,量化,进行DPCM编码,然后之字形扫描AC系数,进行行程(LZW)编码。 显示原始图象和经编码解码后的图象,显示压缩比,并计算均方根误差。-The code consists of matlab language, to achieve a jpeg algorithm, mainly to illustrate the basic functionality of JPEG. After chan
BIQI_release
- 这是盲图像质量因子(BIQI)的MATLAB源代码. 该算法由A. K. Moorthy 、A. C. Bovik等人在 A Modular Framework for Constructing Blind Universal Quality Indices 中提出,发表在IEEE Signal Processing Letters (2009). -This is blind image quality factor (BIQI) MATLAB source code for this
JPEG
- 用MATLAB实现JPEG图形压缩过程,包括颜色空间转换、DCT变换、量化、编码(DC系数和AC系数编码)。-Using MATLAB graphics JPEG compression process, including color space conversion, DCT transform, quantization, coding (DC coefficient and AC coefficient coding).
nsf5_simulation
- nsf5隐写算法,DCT的升级版,MATLAB实现,可以抵抗一般的DCT隐写分析(The algorithm nsF5 evolved from the F5 algorithm originally proposed by Andreas Westfeld in 2001. F5 decreases the absolute value of DCT coefficients and incorporates matrix embedding - a coding scheme that de
MATLAB-Jpeg-encoder-master
- 通过DCT变换进行jpeg压缩,AC,DC系数都可以得到,还有zigzag(JPEG compression through DCT)