From: Walter Roberson on
amin wrote:
>> Do the original images show as much horizontal stretching as the above
>> PNG file seems to imply?

> try with these links :

Thanks, those are much clearer.

Looks like you have difficulty when there is a notable hollow under the lips
together with beard shadow that would suggest hollowing.

Perhaps if you did some color matching you could isolate the area the lips
were in from the beard shadow.
From: amin on

it is absolutely, Walter Roberson

my question is can you give me code matlab allow to isolate lip region (eliminate beard shadow and notable hollow under the lips)

and thank you for your help again
From: ImageAnalyst on
I'd be somewhat surprised if Walter had lip-finding code lying
around. It's kind of a niche application. But some people do have
such code. For example all those dozens of people who've written
facial feature finding programs that I gave you in my first response.
Did you look up any of those, or are you just relying on getting lucky
with Walter?
From: Walter Roberson on
ImageAnalyst wrote:
> I'd be somewhat surprised if Walter had lip-finding code lying
> around. It's kind of a niche application.

Quite. I do not have any such code available.

The problem area appears to have very different proportions than the
lips do. I would think, then, that regionprops() applied to a
thresholded image would likely be able to distinguish between beard
shadow and lips -- the eccentricity of lips would be much higher, for
example. One could use this to isolate the inside of beard shadow when
it occurs, and apply the snakes to that region of interest.
From: amin on
for Analyst--------------------> no sir, you did not understand my request
I have not asked for a code detection lips
because I have already implemented the snake method.
my problem is that my algorithm requires a small code to make the lips appear to facilitate the task of the snake (so i need code or just an idea)
is just what I want

Please, I really need help

for Walter Roberson------------------>I appreciate well your help sir.
I ask you to show me how to use the regionprops fonction
because I believe that this function processes an image already thresholded in labels