搜索资源列表
FFT-DCT
- 这两个程序分别是对图像进行FFT变换和DCT变换。-zhe liang ge cheng xu shi dui tu pian jin xing FFT and DCT bian huan .
DCT
- DCT变换方法，并讨论了应用MATLAB中的图像处理工具箱中的相关函数和命令来实现离散余弦变换的图像压缩算法的仿真。-DCT transformation method, and discusses application MATLAB image processing toolbox related functions and commands to achieve discrete cosine transform image compression algorithm simulation
Based-on-digital-watermarking-of-DCT
- 基于DCT变换的数字水印技术，初步编程，适合初学者使用，简单易行-Based on digital watermarking of DCT, preliminary program, suitable for beginners to use, simple
DCT-based-digital-watermarking
- 采用DCT变换的数字水印，简单，能够运行，适合毕业设计使用-Use of DCT watermark, simple and able to run for graduation design use
DCT-dctrestructuring-code
- DCT变换后，各子带系数重组后的显示图（和小波变换的性能对照，体现了DCT 的多分辨率性能），已经测试了，可以使用-After the DCT transform coefficients of each sub-band after the restructuring is shown in Figure (wavelet transform performance and control, reflecting the multi-resolution performance of DCT)
dct--matlab
- dct变换 提高图像数据压缩 效果较好-Dct transform to improve the image data compression is better
Graph-Code-and-DCT
- 图像编码解码以及图像的DCT变换，附原图及结果，代码有相关说明。-Graph Code and DCT
DCT
- 该代码是对图像进行DCT变换，并显示变换后的图像和频谱-The code is DCT transforms the image and displays the transformed image and spectrum
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
DCT-etc-DEY
- 视频解码：包括反DCT变换,反量化,VLD,MC等,-Video decoding: including the DCT transform and inverse quantization, VLD, MC etc.,
DCT
- 图像加密的一种算法，DCT变换用于提取图像特征(The algorithm is used to encode picture, and use DCT transform)
水印
- dct变换嵌入水印并实现提取，最后测试三种不同攻击对水印的影响(The DCT transform embeds watermark and realizes the extraction. Finally, the influence of three different attacks on watermark is tested)
watermark
- 将具有特定标识的信息隐藏在数字化图像、视频、音频等多媒体。是一种基于DCT变换和ARNOLD置乱技术的数字图像水印算法，首先通过Arnold置乱二值水印图像对水印图像进行加密，其次将加密后的图像选择适合的强度，在载体图像中选择低频信号的位置进行嵌入。适合用于简单的图片版权保护。(Information that has a specific identity is hidden in digital image, video, audio and other multimedia. Is a k
matlab实现DCt
- 用MATLAB实现DCT水印算法。信号经过DCT后，从空间域变换到频域。是一种正交变换的方法。是图像处理中应用即为广泛的傅氏变换中一种特殊的情况（被展开函数是实偶函数，再离散化，即为离散余弦变换）。 同傅氏变换一样，有正反两种变换。(DCT watermarking algorithm is implemented with MATLAB.)
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·dft
- 使用matlab对图像进行dct、dft变换（通过原理实现算法）(Using MATLAB to carry out DCT and DFT transform (through principle implementation algorithm))
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
DCTtranslation
- 选取一个图像，并对它进行DCT变换和逆变换。(Select an image and carry out DCT transform and invert change.)
H264BSAnalyzer-master1
- DCT变换,H.264解析软件，比较好用，能解析出I帧，P帧，B帧(DCT transform ,h.264,P frame,B frame, i Frame)