[Research] Add nnU-Net to Specialized Domains

[alvinreal]

Project: nnU-Net

Elite Criteria Checklist (ALL Required)

• Elite Criteria: ALL criteria met
  • ⭐ Stars: 8,239 (threshold: 1000+)
  • 🔄 Active: 2026-03-26 (within 6 months)
  • 🏭 Production: Widely used as baseline for biomedical segmentation challenges; referenced in 1000+ research papers
  • 📚 Quality: Full documentation, releases, Apache 2.0 licensed

Evidence of Production Usage

• Established standard for medical image segmentation competitions
• Self-configuring pipeline eliminates manual hyperparameter tuning
• German Cancer Research Center (DKFZ) production backing
• Extensive adoption in radiology, pathology, and microscopy workflows

Why This Belongs in Elite Tier

nnU-Net is the de facto standard baseline for biomedical image segmentation. It automatically configures itself for any new dataset without requiring ML expertise, democratizing access to state-of-the-art medical AI. With 8,000+ stars and sustained adoption since 2021, it represents the kind of battle-tested, production-proven tool this list curates.

Category

Specialized Domains → Medical Imaging & Healthcare AI

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Automated research loop addition - single category, README-only, non-structural