Date: Apr 27, 2013 4:42 AM
Author: laoya
Subject: Re: How to detect the lines that can't be checked by eyes?

I have attached two pictures at here:
http://www.edaboard.com/thread287117.html

Could anyone help me to take a look at it?

Thanks,
Tang Laoya

"laoya " <20959284@qq.com> wrote in message <klg01c$3fn$1@newscl01ah.mathworks.com>...
> Dear all,
>
> I need to detect two lines in the picture with left line can't be checked by eyes sometimes. The picture can be got from here (sorry I can only put a link at here since I can't attach files):
> http://www.newsmth.net/bbscon.php?bid=50&id=57376
>
> I have two questions:
> 1) the interested part is inside the ellipse, how can I detect this area and pick out that part of image (the rectangle area)?
> 2) how to detect the location of left line?
>
> Thanks,
> Tang Laoya