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Google's self-driving car gathers almost 1 GB/sec

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Re: Google's self-driving car gathers almost 1 GB/sec

#12
post #9
post #6

Earlier quoted context omitted.

I really dislike the mods here changing titles to bend to personal views. I've had a few submissions that gained good traction and got heavy upvotes until a mod changed the title to something meaningless and unrelated.

They seem to mostly change the titles to what the title of the actual article was. This is of course a terrible policy when the blog in question [edit: does not] use descriptive titles, or titles that only make sense if you are coming from the perspective of already being on the blog.

A good example would be the post I made about a third party audit of CloudFlare's security and how they failed to block any of the most basic widely known attacks. The mods change to the academic title of the PDF paper failed to provide any sort of enlightenment about why it was interesting at all to HN readers.

Re: Google's self-driving car gathers almost 1 GB/sec

#13
post #6
post #4

Dear moderator, why did you change the title? I worked hard to abbreviate it to 80 characters without changing the wording or editorializing. And it's not the fact that I found interesting, it was the picture. Thanks. For the record I had GOOG Self-Driving Car gathers almost 1 GB/sec.What it "sees" making L turn [pic]

I really dislike the mods here changing titles to bend to personal views. I've had a few submissions that gained good traction and got heavy upvotes until a mod changed the title to something meaningless and unrelated.

Some stories would drop off the front page fast if the original title was used initially. By the time the moderator changes it, usually there is enough weight that people read them because of the # of upvotes.

Re: Google's self-driving car gathers almost 1 GB/sec

#14
post #4

Dear moderator, why did you change the title? I worked hard to abbreviate it to 80 characters without changing the wording or editorializing. And it's not the fact that I found interesting, it was the picture. Thanks. For the record I had GOOG Self-Driving Car gathers almost 1 GB/sec.What it "sees" making L turn [pic]

It doesn't seem to have changed the meaning much. If anything, I think it's a bit easier to read at a quick glance. I like to scan titles or I'd never get past the first few pages on HN.

GOOG Self-Driving Car gathers almost 1 GB/sec.What it "sees" making L turn

vs.

Google's self-driving car gathers almost 1 GB/sec

Re: Google's self-driving car gathers almost 1 GB/sec

#15

What are things city planners can do from an infrastructure perspective so that we can drop the amount of data that needs to analyzed in real time? For example, can we use special paint for road lines in order to make the cost of detection of road lanes lower?

keeping up with maintenance is probably the most important thing towards making either self-driving or human driven cars safe. faded, worn, or poorly-visible road markings and signage has got to be a huge challenge. Signage and marking is already very well standardized and optimized for low ambiguity.

making anything special is probably just going to make things more difficult - the cars have to be able to drive anywhere, regardless of whether the road has the correct markings or not.

Re: Google's self-driving car gathers almost 1 GB/sec

#16
post #10
post #5

Does anyone know what happens with this data? Obviously it is analyzed in realtime for driving but is it also stored for machine learning purposes? Is that data shared so that other cars can take advantage of it?

It's 1 GB/sec of data from sensors. Likely processed, but not stored. To get 1 GB/sec write throughput in a moving car you would need to be using some form of solid state storage, which would be pretty darn pricey over an hour test drive.

It's likely far cheaper to store it than it would be to run the test again. This is Google, they can certainly afford it – I'd be incredibly surprised if they weren't storing it.

Re: Google's self-driving car gathers almost 1 GB/sec

#17

What are things city planners can do from an infrastructure perspective so that we can drop the amount of data that needs to analyzed in real time? For example, can we use special paint for road lines in order to make the cost of detection of road lanes lower?

I'd love to see better integration of live traffic safety data into the cars' navigation (ie. Highway police logging lane or road closures). So, if there's a big accident on a major freeway, cars will automatically begin to find early detours rather than getting caught in gridlock.

Re: Google's self-driving car gathers almost 1 GB/sec

#18
post #7

For perspective, the ATLAS [1] experiment at the LHC records O(400 MB/sec). To disk. Permanently. (With a duty cycle of something like ~0.5, in principle). So, I guess that's a different ballgame than temporary acquisition for decision making, but still. A decade ago it seemed like an insane amount of data and now it is becoming more normal by the day.. ATLAS "sees" something more like 1.5 MB * 40 MHz, but the vast m…

A number I've found useful is that 1080p60 raw video is roughly 1Gb/s (using YUV). So the car has the equivalent of 8 such cameras. Doesn't seem unreasonable.

The impressive bit is paying attention to that much meaningful data. It would be extremely taxing to actively pay attention to that many screens for an extended period of time; granted, filtering limits that, just as peripheral vision does for us. I tend to take for granted the immense amount of data processed subconsciously.

Re: Google's self-driving car gathers almost 1 GB/sec

#19
post #14
post #4

Dear moderator, why did you change the title? I worked hard to abbreviate it to 80 characters without changing the wording or editorializing. And it's not the fact that I found interesting, it was the picture. Thanks. For the record I had GOOG Self-Driving Car gathers almost 1 GB/sec.What it "sees" making L turn [pic]

It doesn't seem to have changed the meaning much. If anything, I think it's a bit easier to read at a quick glance. I like to scan titles or I'd never get past the first few pages on HN. GOOG Self-Driving Car gathers almost 1 GB/sec.What it "sees" making L turn vs. Google's self-driving car gathers almost 1 GB/sec

Reading the edited title, I wasn’t going to click through to Twitter. I figured it was just a one line tweet that wouldn’t explain much.

After reading hammock’s comment, I clicked the link to see the picture. The ‘[pic]’ suffix to the title was informative, no need to remove it.

Re: Google's self-driving car gathers almost 1 GB/sec

#20

What are things city planners can do from an infrastructure perspective so that we can drop the amount of data that needs to analyzed in real time? For example, can we use special paint for road lines in order to make the cost of detection of road lanes lower?

keeping up with maintenance is probably the most important thing towards making either self-driving or human driven cars safe. faded, worn, or poorly-visible road markings and signage has got to be a huge challenge. Signage and marking is already very well standardized and optimized for low ambiguity. making anything special is probably just going to make things more difficult - the cars have to be able to drive anyw…

I'll argue that signage and marking is already very well standardize and optimized for low ambiguity for human vision, but we are able to build things that humans cannot see but technology can.

The cars do have to be able to drive anywhere, but that doesn't mean we cannot improve quality of service in other areas. Suppose we can build roads where self driving cars can safely travel 100mph+ due to special infrastructure - I do see that as a big benefit.

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