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I would've thought a stopped vehicle without any visible lights would be much easier to detect with a lidar/sensor based system vs human reaction. Do these pla

• mkl 2y ago
  The problem is the stopped car was hidden by the moving car that avoided it successfully. Only when that car swerved to avoid the stopped one did the BlueCruise car have line-of-sight to the stopped one. There was no visual at all, and no lidar, but possibly some indirect radar.
  • MBCook 2y ago
    And radar generally ignores all stopped objects because there are too many false returns. It’s really only useful for objects traveling at some speed. If the CRV had been going even 5 miles an hour it maybe it would’ve been detected. Every radar system has this issue. It’s basically the same thing that caused that Tesla to run into the side of a semi so many years ago. The semi was stationary (relative to the road direction) so if the radar saw it probably ignored it. I’ve never heard of a system that uses the cameras. Except Tesla since they removed the radar I guess. No one else seems to.
    • CommanderHux 2y ago
      Subaru's eyesight uses cameras
      • MBCook 2y ago
        Sorry. I meant cameras only. As far as I’m aware every system on the market uses cameras for lanes and radar for obstacles ahead except Tesla since they removed their radar. I’m guessing (but didn’t check!) Subaru also has the radar too.
        • KennyBlanken 2y ago
          Subarus only use cameras.
          • MBCook 2y ago
            Interesting. Thanks. Personally I’d rather have the radar + camera. I see it as more reliable. Doesn’t help in this situation though.
            • grepfru_it 2y ago
              Need to understand the modular nature of cars. The radar is one system and camera is another. Camera is only used for lane detection the only output from the camera is if road lines are detected and how close to either line. Based on this the car can “ping pong” since it detects it getting too close to one line, or if it has two cameras it can determine what the center of the lane is by keeping the distance from each line equal. Radar typically applies to the ACC system while camera applies to LKAS or lane centering. Rarely are the two connected. FSD and comma.ai are probably the only systems which combine the two.
              • MBCook 2y ago
                Right that’s how I’m used to them all working.
              • inkyoto 2y ago
                > Camera is only used for lane detection […] That might be true for some vehicles only. Subaru EyeSight cameras (there are 2x front cameras and 1x rear camera) are also used to detect moving and stationary objects, and it will engage the emergency braking if, e.g., you are driving or reversing into a wall. Lane detection can be disabled on Subaru cars, yet the EyeSight will continue to scan surroundings and be ready to start breaking. As of this year, the EyeSight is available even on Subaru BRZ 2nd gen with the manual transmisson.
                • 2y ago
      • vel0city 2y ago
        The Bluecruise setup in the article also uses cameras as well as radar.
    • deleted 2y ago
      [deleted]
• ra7 2y ago
  A system with lidar would have definitely detected the obstacle and braked. For a lidar, which is an active sensor, it doesn't matter if it's daytime or complete darkness since it makes its own light. FSD is inferring distance of objects as it has no direct measurements. It's a real challenge in darkness since camera is a passive sensor and it has to rely on visual cues. I believe BlueCruise is using a radar, but I'm not sure how robust it is.
  • grepfru_it 2y ago
    I believe BlueCruise uses radar, gps, and mobile eye which is dual camera inputs. At least my 2019 ford uses radar+camera combination for lane centering, ymmv. Edit: looked at a Mach e and it uses dual cameras behind the rear view mirror so likely intel’s mobile eye platform