搜索资源列表
YUVdct
- YUV序列打开,DCT变换,IDCT变换、量化、反量化等操作-YUV sequence of open, DCT transform, IDCT transform, quantization, inverse quantization operation
DCT
- 基于visual c++对图像进行DCT变换的编程-Based on visual c++ Image DCT transform programming
DCT
- 图像的基于8*8分块的DCT变换编码 MATLAB编程环境 -Images based on 8* 8 block of DCT transform coding MATLAB programming environment
dct
- 利用DCT进行图像压缩(首先将图像分割成8×8的图像,对每个子图像进行DCT,这样每个子图像有64个系数,舍去50%小的变换系数,进行2:1的压缩。)-The use of DCT for image compression
12345
- 彩色数字水印的程序,实现在彩色图像中通过DCT变换来嵌入水印信息-Color digital watermarking process to achieve the color image by DCT transform to embed watermarks
imageview
- 图象处理程序,提供了图象直方图均衡,robert,sobel,prewitt,kirsch,gauss等方法的边缘检测运算,中值滤波,二维FFT变换和DCT变换,图象的反转,旋转等一些基本的图象模板变换和点变换的功能。目前只处理256*256的图象-Image processing procedures, provided the image histogram equalization, robert, sobel, prewitt, kirsch, gauss edge detection
samples(dct)
- 离散余弦变换SSE-Discrete cosine transform SSE
signal-analysis
- dctcom.m文件利用DCT变换完成对输入图像进行压缩;imagecbe.m完成对输入的两幅RGB图像用小波分析的方法进行图像融合 imagecom.m完成对输入的RGB图像用小波分析的方法进行自动降噪,得到高频系数阈值,降噪效果百分比和结果 wavelet1D.m完成对输入的一维信号进行多尺度离散小波分解 wavelet2D完成对输入的二维信号进行多尺度离散小波分解;zigzag.m完成对输入的8*8矩阵按照zigzag排列抽取数据.-document the use of DCT tran
informationhiding
- 一个基于DCT变换的信息隐藏程序,能把文本信息隐藏到经过DCT变换的图像载体的频域中去。程序重点在于对图像的DCT变换-DCT-based Information Hiding Transform procedures, able to hide text message into image after DCT transform domain to the frequency vector. Procedures focus on the DCT transform of image
Ten
- 第十章 MATLAB 图像正交变换 10.1 正交变换通用算子 10.2 傅立叶变换 10.2.1 傅立叶变换的原理 10.2.2 傅立叶性质 10.2.3 二维离散傅立叶变换( 2DDFT ) 10.2.4 快速傅立叶变换( FFT ) 10.2.5 傅立叶变换的研究与应用 10.3 离散余弦变换 10.3.1 DCT 变换矩阵 10.3.2 dct2 函数和 dctmtx 函数 10.4 Walsh- Hadamard 变换
watermarking_dct_matlab
- 一种DCT变换的数字音频水印技术,可以进行水印的嵌入和提取-DCT transform of a digital audio watermarking technique that can be embedded and extracted watermark
dct-code
- 离散余弦变换的VHDL实现,不错的代码和方法-Discrete cosine transform VHDL realization of good code and methods
MATLABDCT
- 基于MATLAB的DCT变换在jpeg图像压缩中的应用-MATLAB-based DCT transform in the jpeg image compression
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
Ssemple
- 水印程序,dct变换,水印的提取和嵌入功能,并且和mapX结合-Watermarking procedures, dct transform, extraction and watermark embedding function, and combining and MapX
dct
- dct变换 先进fft变换,然后再利用fft进行dct变换,是基于win32平台的-DCT transform fft transform advanced, and then use fft for DCT transform, is based on the win32 platform
my_dct
- 图像DCT编码压缩,经DCT变换,量化,编码,然后再解码。-DCT coding image compression, the DCT transform, quantization, coding, and then decode.
water
- 基于dct变换的数字水印 matlab源码及测试用数据-Based on the DCT Transform Digital Watermarking matlab source code and test data
DCT
- DCT余弦变换编码,处理效果还是不错的-DCT cosine transform coding, the treatment effect is still good
3D-DCTTransform
- 三维DCT变换是在空间信息上增加了一维的时间维度,对视频系列直接进行压缩-Three-dimensional DCT transform information in the space are added to one-dimensional time dimensions of the video series for direct compression