搜索资源列表
DCTDWT
- 基于DWT和DCT的图象水印算法,过程简单,效果一般-DWT and DCT-based image watermarking algorithm, the process is simple, the effect of general
dctwatermark
- DCT水印,简单实用,基于8*8分块的DCT域水印嵌入算法水印图像为64*64-DCT watermark, simple and practical, based on the 8* 8 sub-block DCT domain watermark image watermark embedding algorithm is 64* 64
dctwatermark
- dct数字水印技术 水印编程 嵌入 提取 检测-dct digital watermarking technology programming embedded watermark extraction detection
dct
- 利用快速付立叶方法实现快速余弦变换,并有实现例程-Fast Fourier method using fast cosine transform, and the achievement of routine
DCT
- DCT域音频水印算法代码,用于音频媒体版权的保护-Audio Watermarking Algorithm for DCT-domain code
DCT
- 一个有关DCT的matlab程序,采用分块的思路-DCT-a matlab program, the idea of using block
DCT-MATLAB
- DCT变换的实现,快速变换IDCT实现,VC工程-The realization of DCT transform, fast transform IDCT realization, VC works
image_watermark
- 二值图像数字水印算法的一般方法,然后在此基础上给出了一种基于分块DCT的自参照直流系数盲检测二值水印方法。-A blind binary image digital watermarking algorithm is proposed in the DCT domain. The algorithm uses the correlativity of the inter-blocks DC components based on blocked DCT with binary image. No
DCT
- Compress an decomprres DCT=Domain Transform Coding for image.
DCT
- DCT数字图像水印算法的源代码!含有图像的水印的嵌入和水印的提取!-DCT digital image watermarking algorithm source code! Containing the watermark image watermark embedding and extraction!
DCTvideowatermark
- DCT based video watermarking using pseudo random factor
dct
- 针对给定的静止图像进行DCT 变换 给定不同的阈值及将数据块中不同位置的值置为0所得到的不同情况下压缩-For a given static image DCT transform a given threshold and a different data block at different positions of a value of 0 has been compressed under different circumstances
dwprotected
- Matlab source code for DCT-based watermarking for grayscale images. DCT-based watermark recovering without resorting to the uncorrupted original image. Digital watermarking has been proposed as a viable solution to the need of copyright protection an
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
dct-fft
- This the Discrete cosine tranform matlad code which is useful for image compression and also it show-This is the Discrete cosine tranform matlad code which is useful for image compression and also it show
dct
- a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it -a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it
EasyWaterMarkingCodes
- 数字水印的入门代码,包括LSB DCT CDMA DWT,在原有收集上加了详细的注释,易于学习理解-Watermarking entry code, including LSB DCT CDMA DWT, add in the original collection of detailed notes, easy to learn to understand
hw2
- 1.对一个256*256的图像进行DCT变换得到图像D,将D得斜下角数值置为零,然后进行DCT反变换. 2.对源图像进行K-L转换 1和2比较-1.Get a grey level image which size is N*N. (For example, 256*256, however, N = ), and partition to 8*8 sub images. 2.. Apply DCT to these sub images, and get the transfo
watemarkr
- 一种基于DCT变换的音频数字水印,将MP3音乐声音文件转化为WAV声音文件,将水印信息嵌入到WAV声音文件,再将WAV声音文件转化为MP3音乐声音文件。 -DCT-based audio digital watermark, the MP3 music sound files into WAV sound files, the watermark information embedded into the WAV sound files, and then WAV sound files int
Final_28Nov
- 2D-DCT 压缩图像后,通过QPSK,AWGN信道编码传输后,IDCT解压缩回原始图像,适用于任何图像-Using DCT to compress the orginal image, I use zigzag program, quantization, dct compression, then change the vector to bineary bit to pass through the QPSK channel. And from the binary array, I us