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DCT程序实现文档.rar
- dct变换
DCT
- 读入一幅256*256图像,将它分成8*8pixel的若干块,对每块做DCT变换,保留Z型顺序的若干变换系数,进行IDCT重构图像,计算重构图像的信噪比-Reading a 256* 256 image, it will be divided into several blocks of 8*8 pixel, keep each optimal Z transformation of sequence number, IDCT transform coefficient calculation
dct
- 图像的DCT变换,颜色空间的变换,结合OPENCV对图像进行二维空间的肤色提取-The image DCT, color space conversion, combined with OPENCV two-dimensional space of the color image extracted
DCT
- 实现了彩色图像上的DCT变换和DCT反变换-Color image on the realization of the DCT transform and inverse transform DCT
DCT
- vc实现的dct变换 源码及程序-vc source code to achieve transformation and procedures dct
DCT
- 图像的DCT变换 提取高频分量 和低频分量 -DCT change
DCT-MATLAB
- 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 using grayscale image compression, the compression ratio obtained compare different compression ratio of the image.
MATLAB-dct-and-idct
- 将图片进行8*8块的dct变换,以及8*8块的反变化恢复原图像-use 8*8 block dct to chang image, and use 8*8 block idct to renew image.
dct
- 基于快速fft变换的dct变换,实现速度快,效率高-Based on fast fft transform dct transform, to achieve fast, efficient
图象的DCT变换
- 这是我VB实习弄的图象的DCT变换程序,与大家分享-This is my VB internship get images of DCT procedures, and share
DCT变换
- DCT变换,将原图像先转为灰度图像,再做DCT变换,最后计算低频和高频所占的能量百分比
基于dct数字水印算法
- 利用dct变换完成对数字水印的嵌入给提取,很有参考价值。离散变换的得到dct系数进行中频嵌入
DCT变换
- 实现颜色图像DCT水印嵌入和提取,以及彩色版本和非彩色版本图像的程序(Implementation of color image DCT transform)
DCT-VC-master
- 利用DCT变换实现图像的加解密,包括基本的界面和文件读写(Using DCT transform to achieve image encryption and decryption, including the basic interface and file read and write)
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)
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.)
DCT图像压缩
- 整数DCT变换的图像压缩的程序实现,编程的平台是matlab(Integer DCT transform image compression program implementation, programming platform is matlab)
DCT
- 对每类中的每幅图片进行DCT变换(8*8)分块并对保留的DCT系数进行反DCT变换,得到重建的图象,显示原图像和重建图像进行对比,并计算出与原图对比的PSNR值。(Each picture in each class is divided into DCT transform (8*8) and the reserved DCT coefficient is inverse DCT transform. The reconstructed image is obtained. The origi
DCT变换
- dct变换的C语言实现代码,用于大家参考,有较强的实用性
2D的DCT变换
- 二维DCT变换,附源码以及testbench,以及相应的数学知识