Re: Comparing images and producing co-ordinates

Have you tried ImageJ?

If the camera is not moving, try differencing the two frames.

   duane

[EMAIL PROTECTED] (James) wrote in message news:<[EMAIL PROTECTED]>...
> I'm looking for free software that will allow me to take 2 images from
> a web cam and recognise the differences between them.
> For example in one image an LED would be off and in the next it will
> be illuminated. Is there any software that will be able to recognise
> such a difference - and produce coordinates to locate the item (in
> this case the LED)?
> 
> I'm new to this kind of thing so it needs to be pretty simple!
> I've been told that certain image formats are better for this kind of
> processing. I'm not sure what they are and searching the internet
> hasn't produced any results.
> 
> Hope somebody can help! Thanks in advance.
> 
> James