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Tempe Police Release Video of Uber Accident

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Re: Tempe Police Release Video of Uber Accident

#92

There was almost a second where the woman was clearly visible and yet the car did not attempt to emergency break. I would not expect the vehicle to safely stop, but it could have definitely slowed down and reduce the energy of the collision. This is not criticism against self-driving tech, I would not expect alert human driver to avoid collision either due to limited reaction time. With technology however, we should…

Do we know the vehicle didn't brake? There's no audio to tell us anything, and a car takes "almost a second" to rock forward on its suspension when reacting to brake input too. FWIW, I think I might see the nose bobbing a bit just before the collision, but honestly can't tell.

I certainly don't think you can say "did not attempt to brake" based on the evidence at hand, basically.

Re: Tempe Police Release Video of Uber Accident

#93

The description given before the video was released painted a picture in my mind that the woman was on the median and "suddenly" entered the roadway in front of the vehicle. I pictured someone darting across the road directly in front of the car, with no way to stop in time. This video shows a completely different scenario. The woman started on the median, but the vehicle was in the #2 lane. She wasn't visible to the…

Keep in mind the video isnt nessisarily representitive of what you would see with the naked eye. Most cameras have very poor contrast in low light situations that are interspaced with lights like a typical street with streetlamps, your eye does significantly better.

Yeah but the car has IR/LIDAR does it not? Low light should not be a problem there.

I would expect if IR/LIDAR are working properly the car would see the pedestrian as if broad, bright daylight, so why no reaction at all?

Re: Tempe Police Release Video of Uber Accident

#94
post #29

On the one hand, the cyclist became visible in the footage at a very late stage. If that is how the drivers eye saw it they would have very little time to react, however they may have been able to do a sharp swerve. On the other, the operator was clearly distracted regardless of if they would have been able to avoid this.

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Re: Tempe Police Release Video of Uber Accident

#96
post #27

This seems like a simple case. I would have expected the driver assist in my 2017 Subaru to have reacted to something in the road. I'm surprised that the much more sophisticated self driving system did not.

I wonder if this was affected by the fact that the pedestrian was in another lane up until the very last second. Perhaps the car detected the pedestrian but failed to consider it an obstacle since it wasn't in its direct path. It could be unexpectedly difficult to account for pedestrian crossing speed if it caused automated cars to stop when a car in the next lane happened to "wobble" towards the automated car's lane…

There is not only continuing and stopping, there is also slowing down, as many human drivers do as well in unclear situations.

Re: Tempe Police Release Video of Uber Accident

#97
post #62

Is it me or the street lighting is beyond mediocre? It is weak and alternate between a "lighted" portion and a literally black portion. But even then, the driver was busy with his cellphone. The accident might have happened nevertheless due to bad lighting. But this could have been avoided was the driver on alert.

Really hard to tell. I suspect it's the camera that is really mediocre and that the street is probably reasonable visible to a human...

Re: Tempe Police Release Video of Uber Accident

#98
post #27

This seems like a simple case. I would have expected the driver assist in my 2017 Subaru to have reacted to something in the road. I'm surprised that the much more sophisticated self driving system did not.

I didn't know that new Subaru's can come with driver assist. How does it work? What's your experience with it? I've got a 2013, and am thinking about trading in.

Absolutely love my Outback + Eyesight. That said, the lane assist and automatic cruise control are not very sophisticated.

The automatic cruise control is great for freeway and some street driving, but don't expect it to brake very smoothly / like a human. I consider it outsourcing part of my concentration.

Lane assist is nice, but it won't auto-center -- if you were take your hands off the wheel on a straightaway it would "ping-pong" back and forth. I mostly like it on long drives, reduces the amount of effort on bends.

Re: Tempe Police Release Video of Uber Accident

#99
oof. As a motorcycle rider Looking at the video is hard. Im always vigilant but sadly, I'd probably have plowed right through the woman. The street lights seem to do absolutely nothing.

People are unpredictable...however this kind of crossing feels familiar. In Los Angeles we have transients that are known to wander through 5 lanes of empty street at 5 AM with impunity. Ive been hard-stopped by wagon trails of shopping carts laden with old rags and garbage, being pulled by an elderly sisyphean figure cloaked in old comforters and tarpaulins. Ive also had the unfortunate luck to see a garbage truck plow through a stolen utility cart from Home Depot, conveniently parked by a homeless woman in the center of an off ramp as she was engaged in a furious battle with unseen forces under an adjacent bridge.

Transients are also struck and killed on our highways almost semi annually. not to mention the occasional car-through-a-homeless-camp https://www.cbsnews.com/news/los-angeles-homeless-camp-hit-c...

My point is, its easy to sensationalize a computers miscalculation. Humans in control may have also made this mistake.

Re: Tempe Police Release Video of Uber Accident

#100
post #14

Wow, I had thought it impossible for the Uber AV to be in the right lane, and for the victim to be crossing left-to-right, for the police to claim that the victim couldn't be seen until it was too late. But I didn't expect the road to be so dark, given what we saw in the accident photos (which might have been over-exposed?) and Google Maps, which showed a lot of street/sidewalk lighting. In the moment that we can ful…

The dynamic range of small sensor digital cameras is so poor that it is impossible to judge whether or not she would have been visible to the naked eye based on the video.

Most cameras have very poor contrast in low light situations that are interspaced with lights like a typical street with streetlamps, your eye does significantly better.
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