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Is Elon Musk Wrong about Lidar? A Quantitative Study

• ecpottinger 7y ago
  Wow, calculating 3D data using only one camera. Did you notice we use two eyes to judge distance? Did they note there can be even more than two cameras on a car? I think if more than one camera is used you can get very accurate 3D data.
  • ecpottinger 7y ago
    Missed a section, yes they did say further research will look at using stereo vision
  • ayw 7y ago
    1. While stereo depth estimation would work in theory, none of the self-driving cars actually have camera configurations that allow for stereo depth estimation (see here: https://electrek.co/wp-content/uploads/sites/3/2016/10/tesla-second-gen-autopilot-sensors-suite.png https://electrek.co/wp-content/uploads/sites/3/2016/10/tesla...) 2. Stereo depth estimation is quite unreliable in practice because it requires you to match up pixels between the two images very precisely (1-2px difference can be a large disparity in distance), so it is not reliably used.
• deleted 7y ago
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