I am having problems of getting "live" images from the iPhone's camera.
I suppose this should be quite simple but I am not sure how to do it.

Basically, what I want to do is this

  loop forever:
    grab current image from the camera
    do some computer vision processing (object detection)
    display results on the iPhone's screen (possible overlayed on the camera 
image)

But I have no idea how to go about the first step in the loop, i.e., grabbing 
the current ("live") image from the camera.

I did some googling, to no avail.
The documentation of UIImagePickerController is not clear to me.
And I couldn't find any sample code.

So, could somebody please point me to more documentation? or to some sample 
code?

Thanks a lot in advance.

Best regards,
Gabriel.


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