On Wed, 15 Nov 2017 13:39:49 Jim Birch wrote:

> Improvement doesn't require perfection.  It only requires replacing things 
> with something better.  If we were all expert, sober, emotionally stable, 
> continuously attentive drivers that would raise the bar for automated 
> vehicles, but clearly we aren't.

The question is "better than what?".

I proposed the benchmark criterion "the same reliability as an expert human 
driver who is not tired, under the affluence of inchohol or other substances, 
and generally in good form".

When autonomous vehicles can meet that benchmark I'll happily go anywhere in 
one.  However we're clearly a very long way from that point when in only May 
last year a "driver" was killed because his Tesla didn't detect a truck turning 
in front of the car in broad daylight.  And this wasn't an experimental model, 
it was bought in a car showroom.

However autonomous vehicles can potentially be very useful in specialised 
situations, such as the bus mentioned earlier which travels only along a 
predefined route at relatively low speed, and I'd expect to see such vehicles 
in normal use very soon.


> An AI system that drives a car doesn't have to be able to do everything a 
> human does, it just has to drive a car.

But it must do so as well as a human with some defined level of driving 
competence, given the places in which it's designed to operate.


> This is a complex task, but guess what? Computer systems can already drive 
> cars, and they can do it well.

Not when they T-bone trucks and kill the driver!


> What for me is the clincher is they get better at it every year.  Why would 
> you presume there is a ceiling to AI improvement, especially one at a level 
> close to current capability?

I'm not proposing any limit, I'm suggesting they have a very, very long way to 
go.  And we might get clues from the nominal computing capacity of just a few 
cubic millimetres of human brain.

David L.

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