搜索资源列表
dct
- 使用dct算法进行图像的变换之后选取mask对其进行压缩(After using the DCT algorithm for image transform using mask to compress it)
jt_jpeg
- dct steganography in image
DFT_DCT
- 对图像进行8*8DCT变换后保留前六条对角线上系数并进行反变换。 不使用MATLAB自带工具包进行DFT变换。(8*8 DCT transform of a image)
DCT
- 实现图片水印的嵌入和提取，并且做了些攻击测试(To achieve the image watermark embedding and extraction, and made some attack tests)
dcthide
- 信息隐藏，基于DCT变换的信息隐藏算法，matlab实现，多多指教(This is the code about information hiding,which based on DCT transform,using matlab to program ,and hope you guys enjoy this code)
DCT
- 使用matlab语言对图片进行压缩，已经成功实现了。有想要的，可下载！(The use of MATLAB language compression of the picture, has been successfully implemented. Yes, it can be downloaded!)
代码
- 完成基于DCT变换的数字水印，采用多相正交矩阵加密(Completing digital watermarking based on DCT transform, using Multiphase Orthogonal Matrix Encryption)
稀疏融合
- 利用DCT字典对图形进行稀疏表示，实现两幅图像的融合(Using the DCT dictionary to sparse representation of the graphics to achieve the fusion of two images)
JPEG encoder decoder
- a program that encod and decode an image with jpeg stadard, using the dct transform
dct
- 对图像进行二维离散余弦函数变化时，可使用dctmtx函数进行DCT变换(When the two-dimensional discrete cosine function is changed to the image, the dctmtx function can be used for DCT transformation)
DFT&DCT
- 编程实现二维8*8图像块的DFT，DCT变换 输入一副RGB图像，将其转化为YCbCr颜色空间，然后对Y分量做分块DFT变换，保存为灰度图像，统计计算时间 编程实现8*8块DCT变换,然后分别显示，当使用64个DCT系数里面的一些系数进行重构，比较其质量；同时熟悉采用FFT来实现DCT变换的思想，并显示2维8*8DCT变换的基函数图像(Programming the DFT, DCT transform of two dimensional 8*8 image block Input
DCTconversion
- 一个简单的图像DCT变换的matlab程序代码。(A simple image DCT transformation of the matlab program code.)
project1
- matlab的图像dct以及dft变换和反变换(MATLAB image DCT and DFT transform and inverse transform)
Masera_conf_17_0.pdf.tar
- In this paper, we show a class of relationships which link Discrete Cosine Transforms (DCT) and Discrete Sine Transforms (DST) of types V, VI, VII and VIII, which have been recently considered for inclusion in the future video coding technology.
idct16psk
- generate mimo-ofdm using dct and idct matlab source code
wm_casting
- this is code for performing dct on image
prova
- perform dct on image
simple_code_1
- 其使用dct的方法实现图像水印，经检测，其鲁棒性较好，原图像不可见性也较好。包含了加密解密算法，可以实现不需要原图的解密。(The use of dct method to achieve image watermarking, after testing, its robustness is better, the original image invisibility is better. Contains the encryption and decryption algorithms,
image
- Image processing jpeg dct
DCT域内的LSB隐写
- dct情况下的LSB隐写术，在图片中隐藏合适的信息(DCT LSB hiding to hide some information)