croman
Well-Known Member
I was actually going to contribute something before @verygreen beat me to it. I think that was my one shot to be helpful ![Big Grin :D :D](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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It should have enough resolution to detect a vehicle directly ahead of you at 100 meters pretty easily. I have also noticed that it comes in pretty hot on stopped cars and my interpretation has been that autopilot wants to see radar confirmation if possible.
haha. I was hoping there was a plugin for Notepad++ but I didn't find one. In the meantime I'm just looking at the same 'code' he provided. I just did a 'quote' option on it to then expand it in a temp post so that I could cut-n-paste it into Notepad++.Why do these things always come in crazy file formats. Why dont they just make them in Paint, Word, Excel or Windows Media Player. So annoying.
who knows.
Here's a sample if anybody wants to dissect it (from the above snapshot).
syntax = "proto2";
package tutorial;
message Person {
required string name = 1;
required int32 id = 2;
optional string email = 3;
enum PhoneType {
MOBILE = 0;
HOME = 1;
WORK = 2;
}
message PhoneNumber {
required string number = 1;
optional PhoneType type = 2 [default = HOME];
}
repeated PhoneNumber phones = 4;
}
message AddressBook {
repeated Person people = 1;
}
It should have enough resolution to detect a vehicle directly ahead of you at 100 meters pretty easily. I have also noticed that it comes in pretty hot on stopped cars and my interpretation has been that autopilot wants to see radar confirmation if possible.
.42 is a lot better about detecting a car at a greater distance and applying braking sooner. It also blends the regen and physical brakes better than before.
At 40mph, it will detect and stop previously stopped undetected vehicles without any steering wheel white knuckle action. I haven't tried above 40mph, but I will in the coming days and report back. I can't really do anything above 50mph but before above 45mph it would see the car (it would appear on the IC) and then disappear. The end result was that AP would brake lightly at first, and then accelerate, and then I or it would SLAM on the brakes at the last second. Usually it was me in that game of chicken slamming on the brakes. Clearly I don't do that with anyone else in the car and I don't let it even get to the point where I feel it can't stop with ample room to spare. I feel if it was going to take action beyond emergency braking, it would do that about 10% of the time at 50mph. Based on my 40mph tests this morning, I think that number might be above 75% with this latest update. Certainly it would fail about 20% of the time with prior to .40 fw at 40mph. It aced 4/4 this morning with none of them seeming anything but human in terms of the response (better than ICE human where people also slam on the brakes at the last possible moment for some reason rather than coasting to a stop).
roads, road_splines, lanes, lane_splines, traffic signals....
BTW the autopilot track log got extended again. A lot more extra info and now it contains some sort of a binary log at the end that grows as you travel. 6 byte chunks are added per some unit of travel/time?
sample of a new trip log:
compared to .34 or .40?
100m is medium-range at highway speeds. At 75mph, you will cover 100m in just about exactly 3s. That is not enough time to stop comfortably -- think being on a highway at 75mph coming up on a traffic jam or accident. 100m is fine for driver assist. A FSD system needs to see farther than 100m.
Now let's say you're FSDing down an undivided 45mph street. Most people are driving at 50-55mph. There's only a tiny little double-yellow line separating you from oncoming traffic. The oncoming traffic on this particular evening includes a drunk driver, who of course is speeding and swerving. Your FSD car of course is doing the limit, which compensates for the drunk driver's speeding, but that leaves a relative speed of around 100+mph. 100m gives you a little more than 2s from the time the NN first recognizes the vehicle as a vehicle, and you need to not only recognize it but localize it and its trajectory accurately enough to know that it's just swerved across the double yellow line. Think fast, little GPU...
Humans can do this very easily, if they're paying attention. (Whether they can react properly is another question...) A proper L3+ system can do this, but not at the resolution of the current AP nets.
Thankfully, I think we've just gotten confirmation that they do in fact have something better in the works, but I think a GPU/CPU upgrade is going to be required for true L3+.
With pulse Doppler or chirping continuous wave radar reading the locations twenty times per second, the car knows the location and trajectory of anything with that much relative motion far sooner than any human can sort it out.
The scenario you describe isn't easily handled after the car sees it, though - depending on what you think the oncoming car will do next, there may or may not be a way to avoid the accident.
There may be some badass radar out there, but I don't think the radars currently in use on Teslas have enough spatial resolution to reliably know that the car is over the line from far away. I could be mistaken. Radar is definitely good at detecting relative velocity.
I also readily admit that perceiving the disaster in advance is only part of the problem, and avoiding it is quite another. As I mentioned, even a human may not be able to respond well in such a situation. But I am at least confident that a human that's paying attention to the road rather than their phone would see it coming.
Not sure about over the line. But headed to the left of me, headed to the right of me, or headed straight at me, absolutely.
You left out the r at the end of bone.I give even odds that the devs watch this thread and deliberately named it thus in order to throw everybody here a bone...
100m is medium-range at highway speeds...
Nope, nothing like this anywhere I can see.Do you also see a .proto file to go along with it? Content would look something like this:
Why do these things always come in crazy file formats. Why dont they just make them in Paint, Word, Excel or Windows Media Player. So annoying.
Ditto. He “championed a rewrite” of the neural network but it sure looks like they rolled back his work and went in a different discussion. That probably cost them valuable time on the AP2 roadmap.That is about the time the last AP head guy left and the new one started... There was some reason after all Elon suggested he find employment elsewhere after all...