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大小: 892B文件類型: .rar金幣: 2下載: 0 次發(fā)布日期: 2021-05-16
- 語言: Matlab
- 標(biāo)簽:
資源簡介
圖像預(yù)處理算法。包括中值濾波,形態(tài)學(xué)濾波,二值化處理及圖像背景校正

代碼片段和文件信息
echo?on
?clc
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%???讀取圖像
?f=imread(‘F:\myimage\noise?experiment\test.BMP‘);
?f=f(::1);
?figure(1)
?imshow(f)
?pause?
?close?all
?clc
?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%????給圖像添加噪聲
?g=imnoise(f‘salt?&?pepper‘0.09);??????????
?figure(2)
?imshow(g)
?title(‘椒鹽噪聲圖像‘)
?pause
?close?all
?clc
?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%???中值濾波
?J=medfilt2(g);
?figure(3)
?imshow(J)
?title(‘中值濾波‘)????????????????????????????%%%%%%%%%%%%%%?????????中值濾波
?
?
?pause
?close?all
?clc
?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%????形態(tài)學(xué)濾波
?
w3=strel(‘square‘3);
?L=imopen(Jw3);
?figure(6)
?imshow(L)
?title(‘開運(yùn)算后的圖像‘)???????????????????????%%%%%%%%%%%%%%%%%%%??開運(yùn)算后的圖像
?
?
?m=imclose(Lw3);
?figure(7)
?imshow(m)
title(‘開運(yùn)算后再閉運(yùn)算后的圖像‘)??????????????%%%%%%%%%%%%%%??開運(yùn)算后再閉運(yùn)算后的圖像
pause
close?all
clc
?
?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%??????????形態(tài)學(xué)灰度不均勻校正
?w5=strel(‘square‘105);
?n11=imclose(mw5);
?figure(28)
?imshow(n11)
?title(‘經(jīng)閉運(yùn)算后的圖像150‘)
?
?NNN=imsubtract(n11m);
?figure(29)
?
?imshow(NNN)
?title(‘頂帽變換150‘)???
?
?pause?
?close?all
?clc
?
level?=?graythresh(m);
BW?=?im2bw(mlevel);
figure?imshow(BW)
pause
close?all
clc
?
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????1448??2008-09-30?10:28??noise5.m
-----------?---------??----------?-----??----
?????????????????1666????????????????????2
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