[filenamepathname]=uigetfile（‘銳化后的圖片.jpg‘）;?%銳化后的圖片見(jiàn)附錄1;
i=imread（[pathnamefilename]）;
I=rgb2gray（i）;
rotI=im2double（I）;
imshow（rotI）;
BW=edge（I‘sobel‘）;
imshow（BW）;
[HTR]=hough（BW）;
imshow（H[]‘XData‘T‘YData‘R‘InitialMagnification‘‘fit‘）;??xlabel（‘\theta‘）ylabel（‘\rho‘）;
axis?onaxis?normalhold?on
P=houghpeaks（H5‘threshold‘ceil（0.3*max（H（:））））;?
x=T（P（:2））;y=R（P（:1））;?
plot（xy‘s‘‘color‘‘white‘）;?
lines=houghlines（BWT