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
#2For 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 majority of it is discarded after at most three seconds and there is zero suppression involved. Most of "the full data for a collision" isn't even involved in the decision making whether to keep a particular event.
[1] http://atlas.ch/
Re: Google's self-driving car gathers almost 1 GB/sec
#3There's a great presentation about Google's self-driving car here (check the second half for video of the real-time telemetry that it gathers):
One of the things that I found really interesting is how the car inches forward at a stop sign in order to show the "driver's" intent to other drivers. Lots of actions that seem to be second-nature for human drivers have to be carefully emulated here.
Re: Google's self-driving car gathers almost 1 GB/sec
#4Dear 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]
Re: Google's self-driving car gathers almost 1 GB/sec
#5Does 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?
Re: Google's self-driving car gathers almost 1 GB/sec
#6Dear 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.
Re: Google's self-driving car gathers almost 1 GB/sec
#7For 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.
Re: Google's self-driving car gathers almost 1 GB/sec
#8For reference, the raw RGB data for 1080p video at 30 fps works out to 178 MB/s.
Re: Google's self-driving car gathers almost 1 GB/sec
#9Dear 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.
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.
Re: Google's self-driving car gathers almost 1 GB/sec
#10Does 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.