Technical Whitepaper

From Narrative to Simulation: Scenario Reconstruction for ADAS/AD Validation

Accident databases hold decades of real-world risk data. The problem: they’re qualitative. Simulation demands kinematics. This paper shows how Automated Scenario Reconstruction bridges that gap — converting text-based reports into physics-valid, SOTIF-aligned test cases at scale.

  • Generate multiple concrete OpenSCENARIO scenarios from a single accident report — no kinematic ground truth required
  • Cover VRU-heavy scenarios systematically underrepresented in naturalistic driving logs
  • Build a regulatory-defensible safety case with auditable, ODD-level test coverage
  • Integrate directly into CARLA, IPG CarMaker, and VTD with native .xosc + .xodr output

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What You’ll Learn
  • Why reconstruction outperforms replay for system-level V&V
  • Level 1 behavioral + Level 2 kinematic variation methodology
  • SOTIF hierarchy: Functional → Concrete → Logical coverage
  • Survivorship bias and how reconstruction eliminates it
Key Benefits
  • Scale to thousands of accident reports automatically
  • VRU scenario coverage beyond highway naturalistic data
  • Auditable ODD risk coverage for regulatory submissions
  • Eliminate manual authoring cost at enterprise scale
Who It's For
  • Chief Safety Officers at OEMs & AV companies
  • Validation & Simulation Engineers
  • Tier 1 ADAS suppliers & chip makers
  • Safety case authors & V&V program leads
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