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June 2020

tl;dr: Slope compensated lane line detection.

Overall impression

Nothing too impressive about this approach. The approach is not even end to end differentiable and uses a nonlinear optimizer for solution. This is not quite transferrable.

It only targets to solve 90% of the problem ("parallel polynomials") and still does not solve split or merge issues. --> See Semilocal 3D LaneNet for a method to solve more complex topologies.

Key ideas

  • A novel loss that involves entropy and histogram. The main idea is that in BEV space the lane line points collapsed to the x dimension should have multiple equally spaced peaks. But this loss is not differentiable.
  • Approximate a road slope. This is essentially the pitch estimation of the road in LaneNet.

Technical details

  • Summary of technical details

Notes

  • Questions and notes on how to improve/revise the current work