搜索资源列表
jpegread
- 本程序用于在matlab中读取jpeg格式图像的DCT系数- read dct coefficients in jpeg image
DCT2D
- 此程序用C语言写的DCT变换。DCT变换 DCT变换的全称是离散余弦变换(Discrete Cosine Transform),是指将一组光强数据转换成频率数据,以便得知强度变化的情形。若对高频的数据做些修饰,再转回原来形式的数据时,显然与原始数据有些差异,但是人类的眼睛却是不容易辨认出来。-DCT transform of this program written in C language. The full name of the DCT DCT transform is discrete
fdct
- DCT变换程序,c++代码。支持一维变换,也可以二维变换。-DCT tranform code,C++code.To support one transformation, also can two-dimensional transformation
fftw-3.2.tar
- 西方快速Fourier变换。FFTW是计算离散Fourier变换(DFT)的快速C程序的一个完整集合,它可计算一维或多维、实和复数据以及任意规模的DFT。FFTW还包含对共享和分布式存储系统的并行变换。FFTW由麻省理工学院计算机科学实验室超级计算技术组开发。 -FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions, of arbi
DCTqianru
- 本程序应用于DCT变换的数字水印嵌入算法-This procedure applied to the DCT watermarking algorithm
DCTtiqu
- 本程序应用于DCT变换水印提取算法的matlab实现-This procedure applied to the DCT watermark extraction algorithm
shuiyin
- matlab编写的数字图像水印嵌入与提取程序,dct算法,运行结果显示出原始图像,嵌入水印后的图像,水印,提取出的水印-failed to translate
2DCT_v1_1_0
- 2维DCT变换的matlab程序,要下载个东东,请站长开通我的账号-2DCT transfer by matlab
JPEG
- 本程序实现简单JPEG压缩编码和解码功能。将一副64*64的灰度图进行JPEG压缩编码,编码过程包含DCT转换,量化,ZigZag扫描和游程编码。不包含DC分量的DPCM编码和最后的霍夫曼编码,但是基本实现了JPEG编码,具有较好的压缩率。-This procedure is simple JPEG compression encoding and decoding functions. This is a 64* 64 grayscale JPEG compression encoding p
ImageProcessingMFC
- 图像处理程序,可以实现图像平移,旋转,放大,FFT,DCT,sobel变换,laplace变换,灰度拉伸,直方图统计、均衡,对比度增强-Image processing program, image translation, rotation, zoom FFT, DCT, sobel transform, laplace transform, gray stretch, histogram equalization, contrast enhancement, etc.
DCTPMATLAB
- 基于DCT变换的灰度图像压缩技术的几个程序段!-Several block DCT-based grayscale image compression technology.
hide
- 包括了两个程序,一个是用于DCT信息的隐藏,一个是用于DCT隐藏信息的提取-Includes two procedures, one for DCT information hidden, one is used for the extraction of the DCT hidden information
1
- 文档中有3个程序。h.264灰度处理程序,DCT变换程序,DCT系数量化程序。-There are three programs in the document. The h.264 gray handler, and DCT transform process, the DCT coefficient quantization process.
jpegdecode04
- 实现JPEG的解码程序,逆DCT变换、霍夫编码解码,运行验证无误-The JPEG decoding process, the inverse DCT transform, Hough codec, run verification by
exp1
- 包含几个小程序,包括基音周期提取,生物医学信号压缩:DCT变换,K-L变换等-Contains several procedures, including the pitch period extraction, biomedical signal compression: DCT transform, KL transform
TDDCCTcodeh
- 本程序源码实现了数字图像水印的DCT变换嵌嵌入算法,是非常常见的经典算法! 可直接使用。 -The program source code to achieve the Digital Image Watermarking in the DCT transform embedded embedding algorithm, is very common classical algorithm! Can be used directly.
DTC
- DCT直接转矩代码 基于DSP2407的汇编语言代码,很好的程序 工程样机中使用的-DCT Direct Torque code DSP2407-based assembly language code, process engineering prototype
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
tBasedDDCTtheh
- 此源代码,是一个一种基于DCT的jpeg图像压缩编码算法的MATLLAB实现的程序源码,对做jpeg压缩的朋友会非常有帮助 -This source code is a one the MATLLAB jpeg images in the DCT-based compression algorithm to achieve the program source code and do jpeg compression friends would be very helpful
Ipprrocessm
- 图像处理基础知识开发的这些程序源码对新手非常有帮助!4)对图像进行离散余弦变换处理(图像变换)的源源代码,编译后的可执行文件须带参数运行。dct.cpp 使用方法:dct BMP文件名 -Image processing program source code developed by the basic knowledge is very helpful for the novice! 4) the image discrete cosine transform processing (