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資源簡介

MATLAB實現(xiàn)Canny圖像邊緣檢測,此為本人研一時的圖像處理與成像制導(dǎo)的作業(yè),完全可以實現(xiàn),并且附有詳細的實驗報告。

資源截圖

代碼片段和文件信息

clc;
clear?all;
close?all;
I=imread(‘gray.bmp‘);??
th1=20;???
Img=double(I);??
?G=size(I);??
?alf=3;??
?n=7;?
?n0=floor((n+1)/2);
?
?T=zeros(G(1)G(2));??
?R=zeros(G(1)G(2));??
?H=zeros(G(1)G(2));??

?for?i=1:n????%%Gaussian濾波器
?????for?j=1:n??
????????h(ij)=exp(-((i-n0)^2+(j-n0)^2)/(2*alf))/(2*pi*alf);??
????end??
?end??
??
?Img_n=uint8(conv2(Imgh‘same‘));??
?figure();?imshow(I);??????title(‘原圖‘);??
?figure();?imshow(Img_n);??title(‘和Gaussian卷積后的圖像‘);?
?imwrite(Img_n‘G.bmp‘);
??

?Img_n=double(Img_n);??
?for?i=2:(G(1)-1)??
?????for?j=2:(G(2)-1)??
?????????Sx=Img_n(i-1j-1)+2*Img_n(ij-1)+Img_n(i+1j-1)-Img_n(i-1j+1)-2*Img_n(ij+1)-Img_n(i+1j+1);??
?????????Sy=Img_n(i+1j-1)+2*Img_n(i+1j)+Img_n(i+1j+1)-Img_n(i-1j-1)-2*Img_n(i-1j)-Img_n(i-1j+1);??
?????????E(ij)=sqrt(Sx^2+Sy^2);??
?????????if(E(ij)?????????????E(ij)=0;??
?????????end??
?????end??
?end??
?figure()?;imshow(uint8(E));?title(‘Canny算子處理之后的圖像‘);???
?imwrite(E‘C6.bmp‘);

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-11-29?11:23??MATLAB實現(xiàn)Canny邊緣檢測\
?????文件??????251494??2012-11-24?09:50??MATLAB實現(xiàn)Canny邊緣檢測\C6.bmp
?????文件??????252928??2012-11-29?11:23??MATLAB實現(xiàn)Canny邊緣檢測\Cannywss.doc
?????文件????????1029??2012-11-24?09:50??MATLAB實現(xiàn)Canny邊緣檢測\Cannywss.m
?????文件??????252058??2012-11-24?09:50??MATLAB實現(xiàn)Canny邊緣檢測\G.bmp
?????文件??????252058??2012-11-24?09:50??MATLAB實現(xiàn)Canny邊緣檢測\gray.bmp

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