资源列表
MySpectrum2
- 用matlab实现的傅里叶变换,读入文件,显示时域图像和频域图像,可以进一步分析。-Using matlab to achieve the Fourier transform, read the file, display the time domain image and frequency domain image, you can further analysis.
SIDWT-medical-image-fusion
- 基于SIDWT的医学图像融合算法,详细叙述了平移不变小波分解原理,提出一种新的基于SIDWT的融合算法-Based on the SIDWT medical image fusion algorithm, the principle of translation invariant wavelet decomposition is described in detail, and a new fusion algorithm based on SIDWT is proposed
db10
- 小波基为db的小波变换,可以提取输入图像的小波特征,低频高频的信息,然后得到特征后用于分类或识别-Wavelet transform is a wavelet transform, which can extract the wavelet features of the input image, low frequency and high frequency information, and then get the feature for classification or recogni
xiaobonenglaign
- 本程序为小波包能量计算程序,根据相关资料,自己编写,计算感兴趣的频带能量,程序懂得人稍作修改就可以运行- U672C u7A0B u5E8F u4E3A u5C0F u6302 u803F0 u0B1 u7B97 u7A0B u5E8F uFF0C u6839 u636E u76R8 u5173 u8D44 u6599 uFF0C u81EA u5DF1 u7F16 u5199 UFF0C u8BA1 u7119 u6119 u5113
mh_maichong_test
- matlab计算haar 小波各级近似系数和细节系数的频率响应(CA1,CD1,CA2,CD2,CA3),并画出幅频图,便于理解小波变换的意义,-U191 u7197 u5c1 u5c1 u5Fc1 u4Fc u653 u564C u548C u7286 u8282 u7CFB u6570 u7684 u9891 u54CD u5E94 uFF08CA1 uFF0CCD1 uFF0CCA2 uFF0CCD2 UFF0CCA3 uFF09 uFF0C
wavelet
- 基于小波变换的图像局部压缩,使用sym4小波对信号进行一层小波分解(sym4 wavelet is used to decompose one layer for a singal)
wavelet
- 对图像用bior3.7小波进行2层小波分解(the picture is decomposed by bior3.7 wavelet)
wavelet
- 用bior3.5小波对图像进行三层分解,得到压缩后的图像(the picture is decomposed by the wavelet bio3.5)
pack_emd.tar
- 能进行经验模态分解,希尔伯特黄变换以及谱分解等(Can an empirical mode decomposition and Hilbert huang transform and spectral decomposition)
Desktop
- 该程序用于激光阵列光谱合束技术中多光束合成高功率激光单元(The program is used in the laser beam array beam combining technique to synthesize a high power laser unit with multiple beams)
73
- 小波变换 clc; close all; clear; %构建我们的信号,在500处有一个突变点。 x = zeros(1000,1); x(500) = 1; %进行小波变换 CWTcoeffs = cwt(x,1:128,'haar','plot'); colormap jet; colorbar; %也可以单独看某个尺度的图,CWTcoeffs(10,:)表示尺度为10的cwt值 % CWTcoeffs(10,:)(wavelet transform
基于小波变换的不同分解层次去噪
- 包含不同分解层次对图像去噪效果的仿真程序及结果,包含信噪比源程序(Contains different decomposition levels of image denoising effect of the simulation procedures and results, including signal to noise ratio source)