s1='C:\mri11\';s2='.bmp';
for k=7:85
if k<10
s=strcat(strcat(s1,strcat('00',num2str(k))),s2);
else
s=strcat(strcat(s1,strcat('0',num2str(k))),s2);  
end
disp(s)
end

C:\mri11\007.bmp
C:\mri11\008.bmp
C:\mri11\009.bmp
C:\mri11\010.bmp
C:\mri11\011.bmp
C:\mri11\012.bmp
C:\mri11\013.bmp
C:\mri11\014.bmp
C:\mri11\015.bmp
C:\mri11\016.bmp
C:\mri11\017.bmp
C:\mri11\018.bmp
C:\mri11\019.bmp
C:\mri11\020.bmp
C:\mri11\021.bmp
C:\mri11\022.bmp
C:\mri11\023.bmp
C:\mri11\024.bmp
C:\mri11\025.bmp
C:\mri11\026.bmp
C:\mri11\027.bmp
C:\mri11\028.bmp
C:\mri11\029.bmp
C:\mri11\030.bmp
C:\mri11\031.bmp
C:\mri11\032.bmp
C:\mri11\033.bmp
C:\mri11\034.bmp
C:\mri11\035.bmp
C:\mri11\036.bmp
C:\mri11\037.bmp
C:\mri11\038.bmp
C:\mri11\039.bmp
C:\mri11\040.bmp
C:\mri11\041.bmp
C:\mri11\042.bmp
C:\mri11\043.bmp
C:\mri11\044.bmp
C:\mri11\045.bmp
C:\mri11\046.bmp
C:\mri11\047.bmp
C:\mri11\048.bmp
C:\mri11\049.bmp
C:\mri11\050.bmp
C:\mri11\051.bmp
C:\mri11\052.bmp
C:\mri11\053.bmp
C:\mri11\054.bmp
C:\mri11\055.bmp
C:\mri11\056.bmp
C:\mri11\057.bmp
C:\mri11\058.bmp
C:\mri11\059.bmp
C:\mri11\060.bmp
C:\mri11\061.bmp
C:\mri11\062.bmp
C:\mri11\063.bmp
C:\mri11\064.bmp
C:\mri11\065.bmp
C:\mri11\066.bmp
C:\mri11\067.bmp
C:\mri11\068.bmp
C:\mri11\069.bmp
C:\mri11\070.bmp
C:\mri11\071.bmp
C:\mri11\072.bmp
C:\mri11\073.bmp
C:\mri11\074.bmp
C:\mri11\075.bmp
C:\mri11\076.bmp
C:\mri11\077.bmp
C:\mri11\078.bmp
C:\mri11\079.bmp
C:\mri11\080.bmp
C:\mri11\081.bmp
C:\mri11\082.bmp
C:\mri11\083.bmp
C:\mri11\084.bmp
C:\mri11\085.bmp

太感谢你了！！

发自真心的感谢

s1='C:\mri11\';s2='.bmp';
for k=7:85;
if k<10
s=[s1  '00' num2str(k) s2];
else 
s=[s1  '0' num2str(k) s2];
end
disp(s)
end

这样也可以，呵呵。

呵呵！
是呀！谢谢兄弟的帮忙

怎么把读取的图片全部二值化 并保存在新的文件夹中啊