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> Other human drivers certainly aren't implementing a LIDAR-based sensor fusion strategy and you have to share the roads with them humans are absolutely doing

> Other human drivers certainly aren't implementing a LIDAR-based sensor fusion strategy and you have to share the roads with them humans are absolutely doing sensor fusion, brains are bayesian inference machines. do not underestimate the power of the visual system. and no, that the brain does is not an argument in favor of LIDAR-less cars. the eyeball + visual cortex system is alien technology compared to our feeble models. beware the hubris of a man who has learned to classify golden retrievers.

ajross 3y ago
> humans are absolutely doing sensor fusion, brains are bayesian inference machines. do not underestimate the power of the visual system. Not in the sense in the upthread comment they aren't, no. We have two cameras and two microphones. The latter is limited to weak detection of horns and tire screeches and not much else, and the former are too close together to give stereoscopic depth information at traffic distances. We have a camera, basically. We do lots of stuff with the camera, sure. But that's not sensor fusion. We sure as hell don't have anything like LIDAR.
- BugsJustFindMe 3y ago
  > the former are too close together to give stereoscopic depth information at traffic distances They're only too close together to give very precise depth information, but they do still provide useful depth information. They also double the incoming light and SNR, which is why the average person performs better on visual acuity tests with both eyes than with only one or the other. > We have a camera, basically. We do lots of stuff with the camera, sure. But that's not sensor fusion. They're varifocal cameras with very good dynamic range that receive double the light input and that also have full freedom to move around, both rotationally and translationally, which provides, among other things, more depth information and better object boundary segmentation from controlled parallax and focus, and which involves the continuously varied activation of many different muscles and sensory nerves because they're attached to the extremely complex and sensitive proprioceptive structure called the rest of your body, which your brain fully uses as input when processing visual information. And we know that your brain uses this other information, because not having this other information causes reduced perception and motion sickness. So, no, they're not just cameras. And, yes, we do sensor fusion.

ajross 3y ago

> humans are absolutely doing sensor fusion, brains are bayesian inference machines. do not underestimate the power of the visual system. Not in the sense in the upthread comment they aren't, no. We have two cameras and two microphones. The latter is limited to weak detection of horns and tire screeches and not much else, and the former are too close together to give stereoscopic depth information at traffic distances. We have a camera, basically. We do lots of stuff with the camera, sure. But that's not sensor fusion. We sure as hell don't have anything like LIDAR.

BugsJustFindMe 3y ago
> the former are too close together to give stereoscopic depth information at traffic distances They're only too close together to give very precise depth information, but they do still provide useful depth information. They also double the incoming light and SNR, which is why the average person performs better on visual acuity tests with both eyes than with only one or the other. > We have a camera, basically. We do lots of stuff with the camera, sure. But that's not sensor fusion. They're varifocal cameras with very good dynamic range that receive double the light input and that also have full freedom to move around, both rotationally and translationally, which provides, among other things, more depth information and better object boundary segmentation from controlled parallax and focus, and which involves the continuously varied activation of many different muscles and sensory nerves because they're attached to the extremely complex and sensitive proprioceptive structure called the rest of your body, which your brain fully uses as input when processing visual information. And we know that your brain uses this other information, because not having this other information causes reduced perception and motion sickness. So, no, they're not just cameras. And, yes, we do sensor fusion.