搜索资源列表
dct.rar
- 本人根据公式用VC++做出的DCT变换源码,解说清楚。转换矩阵8*8,计算结果与MATLAB计算结果比较,两者几乎一样(相差仅 0.001),估计是计算误差,经过我的实践证明并不影响使用。,According to the formula I use VC++ source code to the DCT transform, to clarify. Conversion matrix 8* 8, the calculation results compared with the MATLAB
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
DCT2D
- DCT变换的matlab源代码。适合用作特征提取的预处理方法来使用。-DCT transform matlab source code. Suitable for feature extraction preprocessing method to use.
matlab-code
- 对数字图像处理中的离散傅里叶变换(DFT),离散余弦变换(DCT)进行了详细的分析。其中DFT包括log视觉处理,中心点移动等。DCT包括分块处理,和保留较少系数,并比较结果。-Digital image processing of the discrete Fourier transform (DFT), discrete cosine transform (DCT) for a detailed analysis. DFT which include the log of visual pr
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
dctblock
- DCT变换的MATLAB代码。无私奉献啦。希望给有用的朋友-DCT Transform MATLAB code. Selfless dedication啦. Want to give useful Friend
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
dct_main
- DCT C code This converted from Matlab version-DCT C code This is converted from Matlab version
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
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.
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-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 WaterMark
- 用matlab实现的给图片打水印功能源代码。(WaterMark function source code for images implemented with matlab.)
dct水印
- DCT数字图像水印算法MATLAB仿真代码(DCT digital image watermarking algorithm MATLAB simulation code)
MATLAB DCT水印源程序代码
- MATLAB DCT水印源程序代码 MATLAB DCT水印源程序代码(MATLAB DCT watermark source code MATLAB DCT watermark source code)
基于DCT数字水印算法的Matlab实现源代码
- 基于DCT的数字水印嵌入算法的matlab实验源代码(DCT based digital watermark embedding algorithm matlab experiment source code)
MATLAB数字水印DWT+DCT+GUI+攻击+psnr
- 用Matlab编程实现QR二维码的生成与识别,内含zxing-core-1.7和zxing-j2se-1.7的Zxing开源库,下载下来即可运行使用,无需再去下载相应的Zxing开源库,另外本资源将QR二维码编解码分别封装为函数了,这样使用起来方便。(The generation and recognition of QR QR code is realized by MATLAB programming, which contains the zxing open source library