[OLPC-GSoC] Vision Activity

[Chris Hager]

Hi Nirav,

I was already waiting for this one! :)

I enjoyed reading about your tests with opencv on python and am 
enthusiastic about the possibilities opencv has for the xo with it's webcam:
- Face recognition
- Object recognition
- Motion tracking
- Gesture reckognition
- Drawing with real life objects as brushes
- Games involving motion
- ...

WOW -- and opencv is so quick also!

One of the problems right now is that it's not at all easy using it with 
own project ideas. So maybe before starting to write an activity with 
opencv-python, I'd be interested in thinking about the possiblity of 
writing an API. Something which makes using opencv really easy.

This could do the haarfile stuff, and you'd need to make it quick, 
produce a good documentation and a number of examples along the way. 
Also you can make examples for pippy, a python learning activity for the 
xo, so that teens can straight away start with image recognition when 
they start python programming :)

This could be one idea how to proceed; I would certainly like to hear 
others!

- Chris

Nirav Patel wrote:
> Hello all,
> I'm a bit late on this, but I'd like to introduce myself.  I'm Nirav
> Patel, an Electrical and Computer Engineering junior at Carnegie
> Mellon University.  I'm interested in developing an activity that
> makes real use of the webcam beyond recording pictures and video.  As
> of yet, I have the following done:
>
> Face recognition using OpenCV:
> http://eclecti.cc/code/face-detection-on-the-olpc-xo
> A method of getting OpenCV working correctly on the XO:
> http://eclecti.cc/code/a-dirty-hack-for-opencv-on-the-olpc-xo
> A modified version of the Colors! Activity to use color based object tracking:
> http://eclecti.cc/code/paint-with-color-based-object-tracking-on-the-olpc-xo
>
> The possibilities are literally endless for what a webcam could be
> used for.  Stop motion photography, gesture recognition, drawing with
> real life objects as brushes, games involving motion, etc.  I suppose
> I'll have to narrow it down to something specific for a GSoC
> application though.  Any ideas would be appreciated.
> Thanks,
> Nirav Patel
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