搜索资源列表
jiyudct
- DCT域数字水印源代码.水印嵌入，水印检测，攻击实验以测试鲁棒性，重要参数计算。希望对做数字水印的XDJM有所帮助。--DCT-domain digital watermarking source code. Watermark embedding, watermark detection, attack experiment to test the robustness, an important parameter calculation. Want to do digital waterm
Watermarking_althorithm_based_on_DCT(MATLAB)
- 基于DCT变换的水印图像水印算法源代码（matlab实现）。将文件解压缩到MATLAB安装目录下的work文件夹中，然后打开aaa.m文件，运行即可。-Based on the DCT Transform Watermarking Image Watermarking Algorithm source code (matlab achieve). Extract the file to the MATLAB installation directory under the work folder
tiqu
- 水印提取检测的matlab程序代码 对嵌入水印图像进行dct变化，提取水印序列，计算序列相关值-Detection of watermark extraction matlab code for dct embedded watermark image change, extract the watermark sequence, calculating the value of serial correlation
JPEGCOMPRESS
- 这是一个基于DCT的图像JPEG压缩程序，并将压缩码保存在一TXT文本中-This is a DCT-based JPEG image compression process, and code stored in a compressed text in TXT
MATLAB_code_of_image_processing
- 该gui函数基本上包括图像处理里面的最基本处理，相当于一个小型photoshop。比如读取文件，几何变换中的垂直镜像，平移，旋转，缩放；正交变换的DFT，FFT，DCT，DST，DHT，DWashT；灰度处理中的反色，直方图均衡，全局线性变换，分段线性变换，指数非线性变换，对数非线性变换；图像增强里面的加噪声，平滑，锐化，伪彩色增强；图像分割里面的灰度阈值法，Robert，Laplace，sobel，prewitt，canny算子边缘检测法；图像恢复里面的直接逆滤波，维纳滤波；图像编码里面的霍夫
71477212FFT
- 自己手写的图像的FFT变换和DCT变换的MATLAB代码-Own handwritten images FFT transform and DCT-MATLAB code
87361048MATLAB_fft
- 图像的FFT变换和DCT变换的MATLAB代码-Image FFT transform and DCT-MATLAB code
code
- 基于FFT变换、DCT变换、HT变换、小波变换和矢量量化技术的图像压缩的Matlab实现。-Based on the FFT transform, DCT transform, HT transform, wavelet transform and vector quantization image compression technology, the Matlab implementation.
itu-t81[1]
- Implementation of JPEG compression algorithm with JFIF header being appended.This project involves writting code for following steps : Chroma subsampling,partitioning ,level shifting,DCT,quantization,zigzag scanning(involves DC differential coding &
watermark
- 基于DCT的水印图像matlab代码，主要是水印嵌入和水印提取两大主要部分-DCT-based image watermarking matlab code, mainly watermark embedding and watermark extraction are two main parts
DCT_JPEG
- 给予matlab的JPEG压缩程序，包含原始压缩图片，程序对灰度bmp图片进行JEPG编码，压缩成以0101形式的编码。JPEG编码先把图象色彩RBG变成亮度Y和色度Cr、Cb，它利用人的视觉对色度不敏感的特点，减少一部分色度数据，以达到压缩。 JPEG采取多种编码方式，包含有行程编码(Run Length Coding)和哈夫曼(Huffman)编码，有很高的压缩比。在编码前，先对数据进行分块，离散余弦变换（DCT）及量化，保留能量大的低频信号，丢弃高频信号以达到压缩。-Given to th
dct
- it is the matlab code for rayleigh fading
steganography
- steganography function to using DCT algorithms
DCT-JPEG-HUFFMAN-WAVELET
- 含有DCT JPEG HUFFMAN WAVELET图像压缩解压缩matlab的代码示例-With DCT JPEG HUFFMAN WAVELET image compression and decompression matlab code example
DCT---matlab-
- 一种基于ＤＣＴ的数字音频水印算法源代码，主要适用于ＭＡＴＬＡＢ-More practical to the thesis，A DCT-based digital audio watermarking algorithm source code in MATLAB
DCT
- Matlab code for image compression.
dct
- 基于dct的数字水印源程序，是matlab代码，并且带有解释信息-Dct-based digital watermarking source is matlab code, and with explanatory information
DCT
- DCT正变换--LENNA图 matlab代码-DCT transformation- LENNA chart matlab code
SA-DCT_Demobox_v141
- its a SA-DCT matlab code for image compression-its a SA-DCT matlab code for image compression
data-hiding-with-LCB-and-DCT
- LCB和DCT信息隐藏算法 matlab代码的简单实现，稍微整合了一下，LCB能够隐藏的数据多点，DCT要少点-LCB and DCT information hiding algorithm is simple matlab code to integrate a little bit, LCB multi-point data can be hidden, DCT to less