<P>我要用MATLAB实现LSB,这个是代码的前几行,有错误,大家帮我看看。谢谢<BR>1function[ste_cover,len_total]=lsbhide1(input,file,output)<BR>2cover=imread(input);<BR>3cover=cover(:,:,1);<BR>4ste_cover=double(ste_cover);<BR>5f_id=fopen(file,'r'); <BR><BR>错误是??? Input argument "input" is undefined.</P>
<P>Error in ==> lsbhide1 at 2<BR>cover=imread(input);<BR><BR>请大家帮忙看看如何解决</P>