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19854796watermarking
- 武汉大学信息隐藏实验实现源代码 各种隐藏算法dct变换，小波变换，MD5算法等-Wuhan University Experimental realization of information hiding all kinds of hidden algorithm source code dct transform, wavelet transform, MD5 algorithm
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
jpeg
- 对JPEG的压缩标准进行了仿真，主要过程DCT压缩，根据JPEG的量化矩阵对DCT结果进行量化，对量化结果进行Huffman编码。同时也实现了解压缩过程，即执行上述过程的逆过程。-JPEG compression standard of the simulation, the main process of DCT compression, according to the JPEG quantization matrix to quantify the results of the DCT,
MATLAB
- dct低通滤波 对于数字图像处理的入门例程再好不过了 其中对滤波器的波形给了三位图像-dct transform
information-hiding
- 采用MATLAB实现图像信息隐藏。将文本信息，通过DCT和LSB算法嵌入到二维图像中实现信息隐藏。-hide information into voice signal with the methods of DCT and LSB
12345
- 彩色数字水印的程序，实现在彩色图像中通过DCT变换来嵌入水印信息-Color digital watermarking process to achieve the color image by DCT transform to embed watermarks
DCT
- 数字信号处理实验，DCT图像压缩，内含有matlab实验m文件以及实验报告，供大家参考。-Digital signal processing experiment, DCT image compression, contains matlab experiment m documents and the experiment report for your reference.
KLaDCT
- KL变换和DCT变换比较分析 在matlab环境下的比较仿真-KL&DCT
DCTwatermark
- 基于MATLAB的DCT域数字水印技术实现相关代码实现详细说明-MATLAB-based DCT-domain digital watermarking technology to achieve detailed descr iption of the relevant code
dct
- 用MATLAB实现图像的离散余弦变换，程序运行结果表明离散余弦变换能够起到压缩图像的目的。-in order to compress the bite of pictur,the program use the DCT to compress.
watermark
- Matlab实现多种水印的嵌入与提取(DFT DCT等)-Matlab to achieve a variety of watermark embedding and extraction (DFT DCT, etc.)
DCT
- 采用离散余弦变换DCT，通过MATLAB实现数字水印（包括水印的嵌入和盲提取）。- Uses discrete cosine transformation DCT, realizes the digital watermark through MATLAB (including watermark inserting and blind extraction).
equizer
- HART协议的均衡器设计 DCT LMS 设计 + 位同步设计，仿真证明了设计的有效性-HART protocol design DCT LMS equalizer design+ Bit synchronous design, simulation proves the validity of the design
signal-analysis
- dctcom.m文件利用DCT变换完成对输入图像进行压缩；imagecbe.m完成对输入的两幅RGB图像用小波分析的方法进行图像融合 imagecom.m完成对输入的RGB图像用小波分析的方法进行自动降噪，得到高频系数阈值，降噪效果百分比和结果 wavelet1D.m完成对输入的一维信号进行多尺度离散小波分解 wavelet2D完成对输入的二维信号进行多尺度离散小波分解；zigzag.m完成对输入的8*8矩阵按照zigzag排列抽取数据.-document the use of DCT tran
image_processing_toolbox
- This toolbox contains functions related to image processing, including * images loading and generation. * filtering and blurring functions. * anisotropic and spacially variant filters. * non-linear filtering (median, LIC, bilateral). *
watermarking_dct_matlab
- 一种DCT变换的数字音频水印技术，可以进行水印的嵌入和提取-DCT transform of a digital audio watermarking technique that can be embedded and extracted watermark
MATLABDCT
- 基于MATLAB的DCT变换在jpeg图像压缩中的应用-MATLAB-based DCT transform in the jpeg image compression
DCT_watermark
- dct域的图像数字水印，将水印图像信息隐藏在DCT系数的中频部分。-DCT domain image watermarking, the watermark image information hidden in the intermediate frequency part of DCT coefficients.
DCTWaterMarksMatlab
- DCT域图像水印算法的研究Matlab程序-DCT-Domain Image Watermarking Algorithm Matlab procedures
MPGextract
- 一个mpg压缩的水印提取程序,考虑到了几种压缩格式,并基于此提出DCT频率域上的水印提取.对学习视频水印的人有help-Mpg compressed a watermark extraction procedure, taking into account several types of compression formats, and based on this proposed DCT frequency domain watermark extraction. For learning