Ella Sullivan
AI Portraits Photographer at kahma.io
Ella Sullivan is a PhD candidate in Computer Vision at Stanford University, where her research focuses on generative models for photorealistic portrait synthesis and automated compliance verification for identity documents. She investigates how deep learning can assess biometric and regulatory standards in passport and visa photos, bridging the gap between algorithmic generation and real-world acceptance. Deep experience. Intellectual curiosity.
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Recent articles by Ella Sullivan
- Passport photo compliance: how to benchmark face-landmark verifiers October 17, 2026
- AI Passport Photos Rejected: UN Aviation (ICAO) 9303 Fails 12% — Retouch, Not Retake October 14, 2026
- October 11, 2026
- How Blender Cycles renders fur shaders: 4K tabby cat with subsurface scattering October 8, 2026
- Stats and R is 2 years old! October 5, 2026
- How to size passport photos: 1–1 ⅛ inches retouch vs verify for compliance October 2, 2026
- Passport Photo Rejection: Check the First Failed Predicate, Not 354×413 September 29, 2026
- Passport photo rejection: 34% fail in lab, regenerate vs retake September 26, 2026