[ELECTRON] Underpass lighting project query

[Ben Dembroski]

Fun project!

Depending on the budget, I would think that an overhead array of sensors
could be used to track people's movements using simple shadow detection.
You wouldn't need to use colour tracking.  By tracking the movement of
the people against a grid of sensors.  If the sensor's are triggered
sequentially in any direction, that's likely a person moving.  Off the
top of my head, I'd think you'd need to track movement in at least 2
axes to prevent the system getting confused.

It might be possible to do this without the complicated hardware of
something like a PC doing the image detection -- which would be the weak
point, longevity wise.

Just two off-the-top-of-my-head  pence worth ;)

--
Ben D.


On Fri, 2010-11-26 at 21:52 +0000, Clive Mitchell wrote:
> That's going well into the realm of image recognition, which would be
> even harder as the person would change colour when their "wave" of
> light commenced.
> 
> I think a wave of colour triggered by a pedestrian and moving at a
> constant average walking speed might be a much easier option.  This
> could also be implemented in a shift register format.  I presume that
> the system will detect people entering at either end?
> 
> On 26 November 2010 14:54, Roy Mohan Shearer <fy81le at googlemail.com> wrote:
> > The
> > effect that we're going for is that as each individual enters the
> > underpass, the spotlights increase in intensity and a colour is
> > assigned to that person which accompanies them as they walk through.
> 
> 
>