搜索资源列表
compressed-sensing-procedure
- 基于压缩感知的图像处理,分别使用二维DCT、FFT和一维dwt变换对图像信号进行稀疏变换,然后使用正交匹配追踪算法进行重构,在进行相应的逆变换-This is a image processing procedure based on compressed sensing which respectively uses two-dimensional DCT, FFT and one-dimensional dwt transform to sparse the image signal a
dct
- 用MATLAB实现图像的离散余弦变换,程序运行结果表明离散余弦变换能够起到压缩图像的目的。-in order to compress the bite of pictur,the program use the DCT to compress.
psnr
- 计算两幅图像的psnr值,非常精确完整,绝对好用-Calculation of two images of the PSNR values, integrity and very precise, the absolute ease of use
2107210017520071022238367591296
- vc图像处理比较全面的程序,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-vc images deal with more comprehensive procedures, provided the image histogram equalization, robert, sobel, prewitt,
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
2DImageFilterByVHDL
- 用VHDL语言编程实现2维图像的滤波算法,简单精辟-VHDL programming language used to achieve 2-D image filtering algorithm, simple brilliant
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
DCT-HT
- MPEG-2到H.264帧内图像转码。实现了YUV图像到bmp图像的转换。 -MPEG-2 to H.264 intra transcoding images. Achieved a YUV image to bmp image conversion.
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
DCT_watermark
- dct域的图像数字水印,将水印图像信息隐藏在DCT系数的中频部分。-DCT domain image watermarking, the watermark image information hidden in the intermediate frequency part of DCT coefficients.
dct
- 这是对图像进行离散余弦变换的程序,用c++编写的代码-This is a discrete cosine transform image of the procedure, with c++ Prepared code
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.
DCTchange
- 一个DCT图像处理压缩包,有直接定义法和快速算法,大家可以拿去看看,多多指导哈!-A DCT compressed image processing package, have a direct definition of law and fast algorithm, we can take to see a lot of guidance and Kazakhstan!
jpeg
- 一个图像处理程序,使用DCT快速算法,只需把源码改成m文件即可。-An image processing procedures, the use of DCT fast algorithm, just the source file can be replaced by m.
DCTchange
- DCT变换程序,将一组给定的8*8图像块经过DCT变换为另一个8*8矩阵,并计算输出压缩比。-DCT transform process, a given set of 8* 8 image block after DCT transform for another 8* 8 matrix, and calculate the output compression ratio.
DCTprograme
- 在Visual C++环境下实现的基于DCT域数字图像水印源码-In the Visual C++ Environment DCT domain based on the realization of digital image watermarking source
111111111
- 为保证网络信息传输的安全性,提出一种视频图像加密方法。该方法引入混沌系统中的Logistic映射和 Baker映射,结合H·264视频压缩编码特点,利用Baker映射对DCT (Discrete Cosine Transform)变换量化后 的块进行位置置乱, -In order to ensure the safety of information transmission network, and a video image encryption method. This met
11111111111456
- 为保证网络信息传输的安全性,提出一种视频图像加密方法。该方法引入混沌系统中的Logistic映射和 Baker映射,结合H·264视频压缩编码特点,利用Baker映射对DCT (Discrete Cosine Transform)变换量化后 的块进行位置置乱, -In order to ensure the safety of information transmission network, and a video image encryption method. This met