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imagetransformationbymatlab
- 1.图像频域处理正交变换的matlab实例 2.含有的频域变换内容如下： 正交变换通用算子 傅立叶变换 傅立叶变换的原理 傅立叶性质 二维离散傅立叶变换（ 2DDFT ） 快速傅立叶变换（ FFT ） 傅立叶变换的研究与应用 离散余弦变换 DCT 变换矩阵 dct2 函数和 dctmtx 函数 Walsh- Hadamard 变换 Radon 变换 -1. Image processing orthogonal freq
cxrDCT
- DCT1实现一维离散余弦变换； DCT2实现二维离散余弦变换； 其中使用的算法是碟形算法来实现频域变换-DCT1 peacekeeping achieve a discrete cosine transform; DCT2 achieve two-dimensional discrete cosine transform; the use of the algorithm is dishing algorithm to achieve the transformation frequen
DCT2-lele
- 利用蝶形算法类似于FFT，利用先行再列实现二维DCT。速度很快。包含反DCT的代码。-similar to the use of butterfly FFT algorithm, the first re-use of 2D DCT out. Very fast. Contain anti - DCT code.
DCT_IDCT
- to understand the Algorithm go to matlab help in page dct2 and idct2 to get the mathematical expression for M = N = 8, we can calculate the most of hard values and save it as LUTs to speed up the execution now compare our special 8X8 functi
dct2
- 该程序用于实现h.264中的DCT变换、量化、反DCT变换、反量化 采用了h.264白皮书中介绍的算法-the procedures used to achieve h.264 of DCT, quantization, anti - DCT, quantization using the anti-h.264 White Paper introduced by the algorithm
对girl图像做二维DCT
- 对girl图像做二维DCT，并通过对变换后的某些系数置零达到压缩目的,Girl doing two-dimensional images of the DCT, and through certain coefficients transformed to achieve compression purpose of nulling
DCT.rar
- 利用matlab的DCT2函数，对图像做变换并压缩。并用8*8对图像分块，对每一块计算均方值作为阈值。,DCT2 use the matlab function, and transform the image so compressed. And 8* 8 image block, a calculation of each mean square value as a threshold.
DCT2SHIXIAN
- 数字水印研究及Matlab仿真实现-基于DCT2的水印嵌入与提取程序，有结果说明，具有较强的鲁棒性-Digital watermarking and Matlab Simulation- based DCT2 watermark embedding and extraction procedures, results indicate that, with a strong robustness
test_dct
- 本程序是在VC++编译环境下，用纯C语言编写的2D-DCT变换，程序中用的是一个4*4的矩阵进行的变换，可以改为对一幅图像进行。运算结果正确，在Matlab中进行了检验，dct2()指令即进行DCT变换。有一定的参考价值。-This procedure is in VC++ compiler environment, written in pure C 2D-DCT transform, the program used is a 4 x 4 matrix for the transformat
DCT2
- 數位浮水印影像離散餘弦轉換處理程式，含ForwardDCT與InverseDCT兩種方法。-Digital watermark image discrete cosine conversion processing program, including ForwardDCT with InverseDCT two ways.
dct2
- Project 2D DCT core - specifications and codes-Project 2D DCT core- specifications and codes
dct2
- 这个是一个基于FPGA的数字图像的整数DCT变换程序，程序高性能地实现了2维DCT变换。-This is an FPGA-based digital image of the integer DCT transform process and procedures to achieve high-performance 2-D DCT transform.
dct2
- 数字水印DCT算法设计，可以进行优化，希望大家一起将程序优化-DCT digital watermarking algorithm designe，it can be optimized and I hope that everyone can work together to optimized it.
lotsofwatermarkcode
- 本压缩包包括多种水印代码，其中有DCT1,DCT2,CDMA,LSB等。-The package includes a variety of watermarking compressed code, which DCT1, DCT2, CDMA, LSB and so on.
dct2
- discrete cosine transforms for embedded systems
DCT2
- 利用VHDL设计实现了DCT变换，在ISE仿真通过-VHDL designs and implements the use of DCT transform, in the ISE simulation through the
dct2
- 本代码是利用matlab实现dct变换，作用后效果可见 -This code is to use matlab to achieve dct transform, the role can be seen after the effect
dct2_img
- dct2的编程实现，用来压缩灰度图像，需要修改输入的图像名，保持和程序里的名称一致-dct2' s programming is used to compress grayscale images, need to modify the input image name, the name of maintaining and procedures where the same
dct2
- program matlab for encode jpeg picture using dct2, RLE, and huffman encoding
DCT2-8X8
- dct2的变换程序 dct2的变换程序 dct2的变换程序-dct2 dct2 transformation program transformation program transformation program dct2 dct2 transformation program