搜索资源列表
dct.zip
- 离散余弦变换源代码(VC)
calculator_vckbase.zip
- 该类有以下特点: 1.支持字符串中含有各种常用函数,如"7.5+sin(6*ln(8))/exp(5)" 2.具有很好的纠错能力,能检查出表达式中括号是否配对、库函数是否正确 3.运算过程中能检查并判断出各种异常,如除数为0、开方函数sqrt(x)中x<0,反余弦函数acos(x)中的x<-1或x>1等 4.支持积分、求方程,算术表达式中可含有x,计算时将用类中的成员变量xx代替
samples(dct).zip
- 离散余弦变换SSE
Disfrct
- 离散余弦变换程序-discrete cosine transform procedures
离散余弦变换在16位定点DSP上实现
- 载dsp上实现16dct和8dct的程序-contained dsp achieve 16dct procedures and 8dct
MPEG2-decode
- 基于intel IPP的MPEG2视频解码器,对反离散余弦变换和运动补偿进行了优化,可轻松胜任1920×1088分辨率的视频解码-The mpeg2 decoder based on intel IPP optimize IDCT and motion compensation and decode the 1920*1088 resolution of video easliy.
DrakeDCT050629B
- DCT离散余弦变换编码和解码,利用vc对bmp图像实行变换,可以对变换和恢复后的结果进行保存和观看比较结果-the program of DCT coding and decoding.It is used to transform bmp to jpg.you can compare the original bmp to transformed jpg
ArisImageRoutines_compiled
- 使用vc进行离散余弦变换,在傅立叶变换的基础上-DCT by VC,it is based on FFT.
shengyuxian
- 利用matlab编的对升余弦系统进行的仿真,解压无需密码-using Matlab series of the right or cosine of the system simulation, without extracting passwords
test1
- 对Lena图像进行傅立叶、离散余弦、哈达玛变换。在频域,对比他们的变换后系数矩阵的频谱情况,进一步,通过逆变换观察不同变换下的图像重建质量情况。(Fourier transform, discrete cosine transform and Hadamard transform are applied to Lena image. In the frequency domain, the spectrum of their trans
add_noise_pinyutu
- 进行纯净信号和加噪信号的时频域显示,及其包络图显示,并计算加噪信号的信噪比、互相关系数、峭度值,对信号进行离散余弦变换。(The time-frequency domain display of pure signal and noise-added signal and its envelope diagram display are carried out, and the signal-to-noise ratio, correl
图像正交变换
- 在MATLAB环境中,进行图像的离散傅里叶变换和离散余弦变换 在MATLAB环境中,进行图像的离散小波变换,观察子带对重建图像的影响,理解小波变换的多分辨率特性(In the MATLAB environment, the image of the discrete wavelet transform, observe the sub-band on the reconstruction of the image, understand
raisecos.m
- 升余弦滚降滤波器,滤波器,并有不同系数下对比图(Raised cosine roll off filter, filter, and comparison chart under different coefficients)
升余弦滚降系统
- 包括MATLAB原程序代码,注释,图片,为实验完整素材。(Including Matlab original program code, notes, pictures, for the experiment complete material.)
DCT,DWT,DFT,LSB数字水印MATLAB+GUI界面
- 本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI,可以调用dwt方法的子界面和dct方法的子界面。流程包括,读取宿主图像和水印图像,嵌入,多种方法的攻击(剪切,加噪,旋转等),提取,最后利用psnr峰值信噪比进行评价不同攻击下,鲁棒性的好坏。(This project is based on MATLAB wavelet transform DWT and discr
fft_dct_dwht
- 用matlab实现了傅里叶变换,离散余弦变换和沃什哈达玛变化。需要下载工具性app designer(Fourier transform, discrete cosine transform and Walsh Hadamard change are realized by MATLAB. Need to download tool app Designer)
余弦相似度和ssim值
- 计算图片余弦相似度和ssim的值,该程序使用python语言写的(Calculate the cosine similarity and SSIM value, the program is written in Python language)
MFC绘制二维坐标系及正余弦函数
- 实现MFC绘制二维坐标系及正余弦函数源码,仅作参考