%使用鼠標選定圖片區域
clc
clear
img=imread（‘lena.bmp‘）;??
[mnz]=size（img）;
imshow（img）;
k?=?waitforbuttonpress;??????????????%?等待鼠標按下
point1?=?get（gca‘CurrentPoint‘）;????%?鼠標按下了
finalRect?=?rbbox;???????????????????
point2?=?get（gca‘CurrentPoint‘）;????%?鼠標松開了
point1?=?point1（11:2）;??????????????%?提取出兩個點
point2?=?point2（11:2）;
p1?=?min（floor（point1）floor（point2））;?????????????%?計算位置
p2?=?max（floor（point1）floor（point2））;
fprintf（‘%g?%g?%g?%g‘p1（1）p1（2）p2（1）p2（2））;
offset?=?abs（floor（point1）-floor（point2））;?????????%?offset（1）表示寬，offset（2）表示高
x?=?[p1（1）?p1（1）+offset（1）?p1（1）+offset（1）?p1（1）?p1（1）];
y?=?[p1（2）?p1（2）?p1（2）+offset（2）?p1（2）+offset（2）?p1（2）];
hold?on??????????????????????????????%防止plot時閃爍
plot（xy）;
for?k=1:3
for?i=p1（2）:p2（2）
????for?j=p1（1）:p2（1）
????????fprintf（‘%g?‘img（ijk））;
????????
????end
????fprintf（‘\n‘）;
end
fprintf（‘\n\n\n\n\n‘）;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-01-15?12:27??2011211151-翁劍平-2011211302-matlab實驗\
?????目錄???????????0??2015-01-15?12:27??2011211151-翁劍平-2011211302-matlab實驗\exp1\
?????文件?????????951??2015-01-13?21:06??2011211151-翁劍平-2011211302-matlab實驗\exp1\exp1_1.m
?????文件?????????266??2015-01-13?21:08??2011211151-翁劍平-2011211302-matlab實驗\exp1\exp1_2.m
?????文件?????????863??2015-01-13?21:42??2011211151-翁劍平-2011211302-matlab實驗\exp1\exp1_4.m
?????文件??????786486??2015-01-13?20:36??2011211151-翁劍平-2011211302-matlab實驗\exp1\lena.bmp
?????文件?????1686346??2015-01-13?21:43??2011211151-翁劍平-2011211302-matlab實驗\exp1\實驗一實驗報告.docx
?????目錄???????????0??2015-01-13?22:36??2011211151-翁劍平-2011211302-matlab實驗\exp2\
?????文件?????????747??2015-01-13?22:04??2011211151-翁劍平-2011211302-matlab實驗\exp2\exp2.m
?????文件??????719641??2015-01-07?15:49??2011211151-翁劍平-2011211302-matlab實驗\exp2\lena.png
?????文件?????1052962??2015-01-13?22:04??2011211151-翁劍平-2011211302-matlab實驗\exp2\實驗二實驗報告.docx
?????目錄???????????0??2015-01-15?00:30??2011211151-翁劍平-2011211302-matlab實驗\exp3\
?????文件?????????205??2015-01-07?21:52??2011211151-翁劍平-2011211302-matlab實驗\exp3\edgeDetect.m
?????文件??????719641??2015-01-07?15:49??2011211151-翁劍平-2011211302-matlab實驗\exp3\lena.png
?????文件??????176857??2015-01-13?22:35??2011211151-翁劍平-2011211302-matlab實驗\exp3\實驗三實驗報告.docx