How to put mark on an image

Dear Friends,
Please take my greeting.
I need to put rectangular mark around a specific pixel on an gray scale image
and write down a numeric value for that mark (inside or outside of the
rectangle).
Any one can help me by giving Matlab function or code?
Sumon Start a New Thread

Dear Friends,
> Please take my greeting.
>I need to put rectangular mark around a specific pixel on an gray scale image
>and write down a numeric value for that mark (inside or outside of the
>rectangle).
>Any one can help me by giving Matlab function or code?
>Sumon
try using regionprops and bwlabel functions in matlab.. Start a New Thread