搜索资源列表
Recursion.rar
- 快速DCT变换 迭代算法
MATLAB-DCT
- 基于MATLAB的DCT变换在JPEG图像压缩中的应用
DCT-audiowatermarking
- 使用DCT变换分组量化的方法实现音频水印的嵌入，抗攻击性良好-DCT watermarking
DCT-change
- DCT变换图像处理，给出了源码和实现过程，是一个毕业设计-DCT transform
dct-Watermark
- 基于DCT变换以及人类视觉特性的数字水印算法 水印为二值图像-Digital watermarking algorithm based on DCT transform and human visual watermark is a binary image
dct
- DCT变换,基于matlab的变换程序，可调用-DCT, matlab-based transformation program, call
DCT-and-iDCT
- 一个简单的图像DCT变换和反DCT变换 没有注释-A simple image DCT and inverse DCT transform
DCT
- 利用DCT变换对灰度图像进行压缩，求出压缩比；对比不同压缩比的图像-DCT transform compressed gray image compression ratio is obtained comparing different image compression ratio
Dct
- 基于DCT 变换的JPEG 图像压缩的MATLAB 实现-DCT-JPEG image compression MATLAB implementation
DCT
- 用MATLAB实现数据压缩中的DCT变换，程序里有比较详细的说明。-DCT transform data compression using MATLAB program, a more detailed explanation.
DCT-a-Hamming-coding
- 1.DCT变换，对整个图像的直接DCT变换和分块为8*8做DCT变换，并设定阈值。 2.汉明编码（7，4），译码以及找出错误图样和纠错。并在不同的转移概率的BSC道下进行传输。-DCT:Direct DCT and IDCT,blocking. hamming coding:decoding and picking up errors.
DCT
- 基于dct变换，实现matlab图像压缩源码，很有意思-Based on DCT transform, matlab image compression source code, very interesting
DCT
- 用matlab实现图像的DCT变换,将高频细节点忽略达到压缩的目的-Using matlab image DCT transformation, the high-frequency detail to achieve the purpose of compression point ignored
dct
- 通过DCT变换实现对图像的压缩，压缩后图片基本与原图像相同。-Through the DCT transform for image compression, image compression basically the same as the original image.
DCT
- 将一个512×512的lena.bmp图像进行DCT变换，对得到的DCT系数按8×8块进行分层（分三层），重组填充得到新的系数矩阵，结果发现原图像的能量集中在了新图像的左上角低频部分。-The lena.bmp an image of 512 × 512 is subjected to DCT transform, the DCT coefficients obtained by layering 8 × 8 block (of three), to obtain a new recombina
DCT
- 用DCT变换进行图像压缩，求经压缩、解压后的图像-With the DCT transform for image compression
DCT-transform-of-the-image
- 对cameraman.tif图像进行DCT变换，分别选取最大的1/4、1/8、1/16个变换系数(其余置为0)，进行反DCT得到重构图像，显示原图像和各重构图像并分别计算重构图像的峰值信噪比。-Cameraman.tif DCT transform of the image, were selected maximum 1/4,1/8,1/16 transform coefficients (the remainder is set to 0), inverse DCT to obtain th
function-dct
- 基于DCT变换的JPEG图像压缩的matlab代码-The matlab code of JPEG image compression based on DCT transform
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)
MATLAB数字水印[GUI,dwt,dct,lun文]
- 该课题为基于MATLAB的数字水印系统。包括离散余弦DCT和小波变换DWT两种算法的对比，有一个GUI界面，包括嵌入，加噪，旋转，剪切，压缩等多种攻击，提取候，具有评价指标PSNR,NC等来评价算法的鲁棒性(This project is a digital watermarking system based on MATLAB. It includes the comparison of DCT and DWT. It has a GUI interface, including embedd