Matlab實用程序圖像處理實例分析

1、.Matlab實用程序圖像處理實例分析實例67：圖像的塊操作h0=figuretoolbar,none,. position,198 56 350 468,. name,實例67;h1=axesparent,h0,. position,0.2 0.45 0.6 0.5,. visible,off;I=imreadtire.tif;imshowIb1=uicontrolparent,h0,. units,points,. tag,b1,. backgroundcolor,0.75 0.75 0.75,. style,pushbutton,. string,邊沿操作,. position,30 1

2、00 50 20,. callback,. cla,. I=imreadtire.tif;,. f=inlinemaxx:;,. I2=nlfilterI,2 2,f;,. imshowI2;b2=uicontrolparent,h0,. units,points,. tag,b2,. backgroundcolor,0.75 0.75 0.75,. style,pushbutton,. string,顯示塊操作,. position,100 100 50 20,. callback,. cla,. I=imreadtire.tif;,. f=inlineuint8roundmean2x*on

3、essizex;,. I2=blkprocI,6 6,f;,. imshowI2;b3=uicontrolparent,h0,. units,points,. tag,b3,. backgroundcolor,0.75 0.75 0.75,. style,pushbutton,. string,交疊塊操作,. position,170 100 50 20,. callback,. cla,. I=imreadtire.tif;,. f=inlineuint8roundmean2x*onessizex;,. I2=blkprocI,6 6,3 3,f;,. imshowI2;b4=uicontr

4、olparent,h0,. units,points,. tag,b4,. backgroundcolor,0.75 0.75 0.75,. style,pushbutton,. string,關閉,. fontsize,14,. position,90 50 70 30,. callback,close;實例68：圖形的過濾操作h0=figuretoolbar,none,. position,198 56 350 468,. name,過濾操作;h1=axesparent,h0,. position,0.3 0.45 0.5 0.5,. visible,off;I=imreadblood1.

5、tif;imshowIb1=uicontrolparent,h0,. units,points,. tag,b1,. style,pushbutton,. backgroundcolor,0.75 0.75 0.75,. string,均平過濾,. position,50 120 50 20,. callback,. cla,. I=imreadblood1.tif;,. h=fspecialaverage,6;,. I2=uint8roundfilter2h,I;,. imshowI2;b2=uicontrolparent,h0,. units,points,. tag,b2,. style

6、,pushbutton,. backgroundcolor,0.75 0.75 0.75,. string,Sobel過濾,. position,150 120 50 20,. callback,. cla,. I=imreadblood1.tif;,. h=fspecialsobel;,. I2=filter2h,I;,. imshowI2,;b1=uicontrolparent,h0,. units,points,. tag,b1,. style,pushbutton,. backgroundcolor,0.75 0.75 0.75,. string,關閉,. position,85 60

7、 80 30,. callback,close; 實例69：圖像的頻率操作h0=figuretoolbar,none,. position,198 56 350 468,. name,頻率操作;h1=axesparent,h0,. position,0.3 0.45 0.5 0.5,. visible,off;b=remez10,0 0.4 0.6 1,1 1 0 0;h=ftrans2b;H,W=freqzb,1,64,whole;colormapjet64plotW/pi-1,fftshiftabsHb1=uicontrolparent,h0,. units,points,. tag,b1

8、,. backgroundcolor,0.75 0.75 0.75,. style,pushbutton,. string,頻率變換,. position,30 100 50 20,. callback,. cla,. b=remez10,0 0.4 0.6 1,1 1 0 0;,. h=ftrans2b;,. H,W=freqzb,1,64,whole;,. colormapjet64,. freqz2h,32 32;b2=uicontrolparent,h0,. units,points,. tag,b2,. backgroundcolor,0.75 0.75 0.75,. style,p

9、ushbutton,. string,頻率采樣一,. position,100 100 50 20,. callback,. cla,. Hd=zeros11,11;,. Hd4:8,4:8=1;,. f1,f2=freqspace11,meshgrid;,. meshf1,f2,Hd,. axis-1 1 -1 1 0 1.2,. colormapjet64;b3=uicontrolparent,h0,. units,points,. tag,b3,. backgroundcolor,0.75 0.75 0.75,. style,pushbutton,. string,頻率采樣二,. pos

10、ition,170 100 50 20,. callback,. cla,. Hd=zeros11,11;,. Hd4:8,4:8=1;,. H=fsamp2Hd;,. freqz2h,32 32,. axis-1 1 -1 1 0 1.2,. colormapjet64;b4=uicontrolparent,h0,. units,points,. tag,b4,. backgroundcolor,0.75 0.75 0.75,. style,pushbutton,. string,關閉,. fontsize,15,. position,80 50 80 30,. callback,close

11、;實例70：函數(shù)變換h0=figuretoolbar,none,. position,198 56 350 468,. name,函數(shù)變換;h1=axesparent,h0,. position,0.25 0.45 0.5 0.5,. visible,off;I=imreadcameraman.tif;imshowIb1=uicontrolparent,h0,. units,points,. tag,b1,. backgroundcolor,0.75 0.75 0.75,. style,pushbutton,. string,圖像壓縮,. position,30 100 50 20,. cal

12、lback,. cla,. I=imreadcameraman.tif;,. I2=im2doubleI;,. imshowI2;b2=uicontrolparent,h0,. units,points,. tag,b2,. backgroundcolor,0.75 0.75 0.75,. style,pushbutton,. string,圖像解壓,. position,100 100 50 20,. callback,. cla,. I=imreadcameraman.tif;,. I=im2doubleI;,. T=dctmtx8;,. B=blkprocI,8 8,P1*x*P2,T,

13、T;,. mask=1 1 1 1 0 0 0 0;,. 1 1 1 0 0 0 0 0;,. 1 1 0 0 0 0 0 0;,. 1 0 0 0 0 0 0 0;,. 0 0 0 0 0 0 0 0;,. 0 0 0 0 0 0 0 0;,. 0 0 0 0 0 0 0 0;,. 0 0 0 0 0 0 0 0;,. B2=blkprocB,8 8,P1.*x,mask;,. I2=blkprocB2,8 8,P1*x*P2,T,T;,. imshowI2;b3=uicontrolparent,h0,. units,points,. tag,b3,. backgroundcolor,0.7

14、5 0.75 0.75,. style,pushbutton,. string,線條解析,. position,170 100 50 20,. callback,. cla,. I=imreadcameraman.tif;,. BW=edgeI;,. imshowBW;b4=uicontrolparent,h0,. units,points,. tag,b4,. backgroundcolor,0.75 0.75 0.75,. style,pushbutton,. string,關閉,. fontsize,15,. position,80 50 80 30,. callback,close;實

15、例71：RADON函數(shù)變換h0=figuretoolbar,none,. position,198 56 350 468,. name,實例71;h1=axesparent,h0,. position,0.3 0.45 0.5 0.5,. visible,off;P=phantom256;imshowPb1=uicontrolparent,h0,. units,points,. tag,b1,. style,pushbutton,. string,變換一,. backgroundcolor,0.75 0.75 0.75,. position,30 100 50 20,. callback,.

16、cla,. k=1;,. theta1=0:10:170;,. R1=radonP,theta1;,. imagescR1,. colormaphot,. colorbar;b2=uicontrolparent,h0,. units,points,. tag,b2,. style,pushbutton,. string,變換二,. backgroundcolor,0.75 0.75 0.75,. position,100 100 50 20,. callback,. cla,. k=2;,. theta2=0:5:175;,. R2=radonP,theta2;,. imagescR2,. c

17、olormaphot,. colorbar;b3=uicontrolparent,h0,. units,points,. tag,b3,. style,pushbutton,. string,變換三,. backgroundcolor,0.75 0.75 0.75,. position,170 100 50 20,. callback,. cla,. k=3;,. theta3=0:2:178;,. R3=radonP,theta3;,. imagescR3,. colormaphot,. colorbar;b4=uicontrolparent,h0,. units,points,. tag,

18、b4,. style,pushbutton,. string,原始圖像,. backgroundcolor,0.75 0.75 0.75,. position,50 50 70 30,. callback,. cla,. if k=1,. I1=iradonR1,10;,. imshowI1,. end,. if k=2,. I2=iradonR2,5;,. imshowI2,. end,. if k=3,. I3=iradonR3,2;,. imshowI3,. end; b5=uicontrolparent,h0,. units,points,. tag,b5,. style,pushbu

19、tton,. string,關閉,. backgroundcolor,0.75 0.75 0.75,. position,150 50 70 30,.callback,close;實例72：圖像分析1h0=figuretoolbar,none,. position,198 56 350 468,. name,實例72;h1=axesparent,h0,. position,0.25 0.45 0.5 0.5,. visible,off;I=imreadrice.tif;imshowIk=0;b1=uicontrolparent,h0,. units,points,. tag,b1,. styl

20、e,pushbutton,. string,圖像輪廓圖,. backgroundcolor,0.75 0.75 0.75,. position,20 100 60 20,. callback,. cla,. k=1;,. I=imreadrice.tif;,. imcontourI;b2=uicontrolparent,h0,. units,points,. tag,b2,. style,pushbutton,. string,SOBEL邊界圖,. backgroundcolor,0.75 0.75 0.75,. position,100 100 60 20,. callback,. cla,

21、. k=2;,. I=imreadrice.tif;,. BW=edgeI,sobel;,. imshowBW;b3=uicontrolparent,h0,. units,points,. tag,b3,. style,pushbutton,. string,CANNY邊界圖,. backgroundcolor,0.75 0.75 0.75,. position,180 100 60 20,. callback,. cla,. k=3;,. I=imreadrice.tif;,. BW=edgeI,canny;,. imshowBW;b4=uicontrolparent,h0,. units,

22、points,. tag,b4,. style,pushbutton,. string,灰度調(diào)整,. backgroundcolor,0.75 0.75 0.75,. position,20 50 60 20,. callback,. cla,. k=4;,. I=imreadrice.tif;,. J=imadjustI,0.15 0.9,0 1;,. imshowJ,64;b5=uicontrolparent,h0,. units,points,. tag,b5,. style,pushbutton,. string,圖像柱狀圖,. backgroundcolor,0.75 0.75 0.

23、75,. position,180 50 60 20,. callback,. if k=0,. figure,. imhistI,64,. end,. if k=1,. imhistI,64,. end,. if k=2,. imhistBW,64,. end,. if k=3,. imhistBW,64,. end,. if k=4,. imhistJ,. end;b6=uicontrolparent,h0,. units,points,. tag,b6,. style,pushbutton,. string,關閉,. backgroundcolor,0.75 0.75 0.75,. po

24、sition,100 50 60 20,. callback,close;實例73：過濾圖像h0=figuretoolbar,none,. position,198 56 350 468,. name,實例73;h1=axesparent,h0,. position,0.25 0.45 0.5 0.5,. visible,off;I=imreadeight.tif;imshowIu1=uimenuparent,h0,. tag,u1,. label,添加噪聲,. backgroundcolor,0.75 0.75 0.75;u11=uimenuparent,u1,. tag,u11,. lab

25、el,SALT&PEPPER噪聲,. backgroundcolor,0.75 0.75 0.75,. callback,. setu11,checked,on;,. setu12,checked,off;,. cla,. I=imnoiseI,salt & pepper,0.02;,. imshowI;u12=uimenuparent,u1,. tag,u12,. label,GAUSSIAN噪聲,. backgroundcolor,0.75 0.75 0.75,. callback,. setu12,checked,on;,. setu11,checked,off;,. cla,. I=i

26、mnoiseI,gaussian,0,0.005;,. imshowI;b1=uicontrolparent,h0,. units,points,. tag,b1,. style,pushbutton,. string,均平過濾,. backgroundcolor,0.75 0.75 0.75,. position,30 100 50 20,. callback,. cla,. J=filter2fspecialaverage,3,I/255;,. imshowJ;b2=uicontrolparent,h0,. units,points,. tag,b2,. style,pushbutton,

27、. string,中值過濾,. backgroundcolor,0.75 0.75 0.75,. position,100 100 50 20,. callback,. cla,. J=medfilt2I,3 3;,. imshowJ;b3=uicontrolparent,h0,. units,points,. tag,b3,. style,pushbutton,. string,自適應過濾,. backgroundcolor,0.75 0.75 0.75,. position,170 100 50 20,. callback,. cla,. J=wiener2I,5 5;,. imshowJ

28、;b4=uicontrolparent,h0,. units,points,. tag,b4,. style,pushbutton,. string,關閉,. fontsize,15,. backgroundcolor,0.75 0.75 0.75,. position,90 50 70 30,. callback,close;實例74：圖像的區(qū)域處理h0=figuretoolbar,none,. position,198 56 350 468,. name,實例74;h1=axesparent,h0,. position,0.25 0.45 0.5 0.5,. visible,off;I=i

29、mreadtrees.tif;imshowIb1=uicontrolparent,h0,. units,points,. tag,b1,. style,pushbutton,. string,區(qū)域過濾一,. backgroundcolor,0.75 0.75 0.75,. position,30 100 50 20,. callback,. cla,. I=imreadtrees.tif;,. imshowI,. BW=roipoly;,. h=fspecialunsharp;,. I2=roifilt2h,I,BW;,. imshowI2;b2=uicontrolparent,h0,. un

30、its,points,. tag,b2,. style,pushbutton,. string,區(qū)域過濾二,. backgroundcolor,0.75 0.75 0.75,. position,100 100 50 20,. callback,. cla,. BW=imreadtext.tif;,. f=inlineimadjustx,0.01;,. I2=roifilt2I,BW,f;,. imshowI2;b3=uicontrolparent,h0,. units,points,. tag,b3,. style,pushbutton,. string,區(qū)域填充,. backgroundc

31、olor,0.75 0.75 0.75,. position,170 100 50 20,. callback,. cla,. load trees,. I=ind2grayX,map;,. imshowI,. I2=roifill;,. imshowI2;b4=uicontrolparent,h0,. units,points,. tag,b4,. style,pushbutton,. string,關閉,. backgroundcolor,0.75 0.75 0.75,. position,90 50 70 30,. callback,close;實例75：圖像的顏色處置h0=figure

32、toolbar,none,. position,198 56 350 468,. name,實例75;h1=axesparent,h0,. position,0.12 0.45 0.75 0.5,. visible,off;I=imreadflowers.tif;imshowIb1=uicontrolparent,h0,. units,points,. tag,b1,. style,pushbutton,. string,減少顏色,. backgroundcolor,0.75 0.75 0.75,. position,30 100 50 20,. callback,. cla,. X,map=

33、imreadflowers.tif;,. Y,map2=imapproxX,map,64;,. imageY,. colormapmap2;b2=uicontrolparent,h0,. units,points,. tag,b2,. style,pushbutton,. string,顏色抖動,. backgroundcolor,0.75 0.75 0.75,. position,100 100 50 20,. callback,. cla,. I=imreadflowers.tif;,. X,map=rgb2indI,128,nodither;,. imshowX;b3=uicontrol

34、parent,h0,. units,points,. tag,b3,. style,pushbutton,. string,顏色轉換一,. backgroundcolor,0.75 0.75 0.75,. position,170 100 50 20,. callback,. cla,. I=imreadflowers.tif;,. Y=rgb2ntscI;,. J=Y:,:,1;,. imshowJ;b4=uicontrolparent,h0,. units,points,. tag,b4,. style,pushbutton,. string,關閉,. backgroundcolor,0.

35、75 0.75 0.75,. position,170 50 50 20,. callback,close;b5=uicontrolparent,h0,. units,points,. tag,b5,. style,pushbutton,. string,顏色轉換三,. backgroundcolor,0.75 0.75 0.75,. position,100 50 50 20,. callback,. cla,. I=imreadflowers.tif;,. J=rgb2ycbcrI;,. imshowJ;b6=uicontrolparent,h0,. units,points,. tag,b6,. style,pushbutton,. string,顏色轉換二,. backgroundcolor,0.75 0.75 0.75,. positio