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[OpenCV] findContours in cv2.so (new Python interface)

 

Dear All

it seems that findContours is missing in the new python interface.

Is there some documentation telling me what is available and what is not?

Regards
Rein van den Boomgaard

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[OpenCV] Re: Highgui-QT-Python problem

 

update:

it is a python/opengl problem. Removing the QT-OpenGL option in the CMAKE process, the resulting lib works.

Did not find the problem with OpenGL...

Rein

--- In OpenCV@yahoogroups.com, "rvdboomgaard@..." <rvdboomgaard@...> wrote:
>
> Dear All
> i have compiled OpenCV 2.2 on Ubuntu 11.04 and it compiles without
> errors.
> Most of it seems to be working, including the Python interface.
> However when i run python samples/python/camera.py
> it shows a window and then starts repeating the error message:
> QGLShader: could not create shader Warning: "" failed to compile!
> When i compile without QT then it works. Strangely enough the C++
> examples work with the QT interface.
> I did a grep for anything vaguely connected to shaders on the entire
> opencv tree but i couldn't find anything.
>
> Anyone knows what is going on?
> Regards
> Rein van den Boomgaard
>

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[OpenCV] Tracking IR pattern exploiting the parent-child relation of the contours

 

Hi there !

I need to track people in the darkness through IR cameras, they will wear IR enlighted pattern ( like this : http://img839.imageshack.us/img839/2900/shapeg.png )

But I had an idea and I would like to have your thoughts about it :

Rather than detecting a shape, I thought I could use imbricated square, and just count the number of child of the first degree contours.

So : -------------------
| |
| ------------ |
| | | |
| | | | would gave me family size = 2 through the
| | | | reading of the contour tree
| ------------ |
| |
-------------------

Do you think it's a good way for matching ?
Or should I use PGH with non imbricated shapes ?
Maybe hu-moments ?

I have to detect the shapes with 3D rotations, translations, noises, etc. and I'm a total beginner.
If you have any directions (even of the way of tracking after the detection of a shape, etc.) your are very welcome =)

Thanks a lot,

Thibaut.

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