登录
首页 » matlab » xiaobobao

xiaobobao

于 2012-05-26 发布 文件大小:1KB
0 204
下载积分: 1 下载次数: 30

代码说明:

   ch3=softt(h3,thr1 clear clc I=imread( lena512.bmp ) imshow(I) I=double(I) II=I+30*randn(size(I)) figure imshow(II,[]) [a1,h1,v1,d1]=dwt2(II, sym8 ) [a2,h2,v2,d2]=dwt2(a1, sym8 ) [a3,h3,v3,d3]=dwt2(a2, sym8 ) sigma=median(abs(d1(:)))/0.6745 x=3*sigma thr1=x*2^(-1) thr2=x*2^(-0.5) thr3=x 小波图像去噪( ch3=softt(h3,thr1 clear clc I=imread( lena512.bmp ) imshow(I) I=double(I) II=I+30*randn(size(I)) figure imshow(II,[]) [a1,h1,v1,d1]=dwt2(II, sym8 ) [a2,h2,v2,d2]=dwt2(a1, sym8 ) [a3,h3,v3,d3]=dwt2(a2, sym8 ) sigma=median(abs(d1(:)))/0.6745 x=3*sigma thr1=x*2^(-1) thr2=x*2^(-0.5) thr3=x )

下载说明:请别用迅雷下载,失败请重下,重下不扣分!

发表评论

0 个回复

  • binhiding
    运用分块算法将秘密图像嵌入的一幅大图中,达到信息隐藏的效果(Block algorithm using a secret image is embedded in a large figure, to the effect of information hiding)
    2010-12-23 10:23:44下载
    积分:1
  • 200707171151173625
    说明:  基于Matlab全景图拼接算法 基于最大梯度和灰度相关的两步全景图拼接算法(Matlab-based panoramic image mosaic algorithm based on the maximum gradient and gray two-step related Panorama Stitching Algorithm)
    2008-12-06 13:23:47下载
    积分:1
  • Chapter2
    This file include very useful matlab code to CDMA communication
    2011-04-29 20:58:41下载
    积分:1
  • f_Gap
    提取ERP,从matlab的数据文件中提取出脑电数据,并通过输入的信噪比进行滤波,这是第二部分(abstract ERP)
    2012-09-01 19:29:27下载
    积分:1
  • qujianguji
    实现在MATLAB环境下的区间估计的傻瓜式操作(Circumstances in MATLAB implementation of the interval estimation operation of a fool)
    2009-03-30 15:44:34下载
    积分:1
  • mino-simulation-dda
    mimo systems correlation
    2009-04-25 05:40:04下载
    积分:1
  • PID_june
    PID control for 2-dim Systems
    2010-11-12 20:51:55下载
    积分:1
  • gps
    基于matlab的gps系统定位仿真,模拟伪距测量结果,进行用户定位计算(Gps system based on matlab the positioning simulation, analog pseudorange measurements, user location)
    2013-03-15 21:44:30下载
    积分:1
  • stcylinder_rcs
    这是计算stchlinder的散射程序,对研究电磁散射的同行很有用(This is the calculation of the scattering stchlinder procedures, the study of electromagnetic scattering useful peer)
    2009-03-28 09:29:31下载
    积分:1
  • nlinsar
    Non Local InSAR filtering NL-InSAR
    2015-02-06 18:10:46下载
    积分:1
  • 696516资源总数
  • 106914会员总数
  • 0今日下载