Author

Nick Lemke

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Preprint Aug 2026

Sterilizable Scene Graph Generation for Operating Rooms

SG-NCA is the first scene graph generation combining NCA-based multiclass segmentation for efficient object detection and feature extraction with a lightweight relation predictor, and is evaluated on videos of cataract surgery and cholecystectomy, demonstrating performance comparable to established baselines while requ...

Nick Lemke, Ssharvien Kumar R. Sivakumar, Antoine Pierre Sanner et al. · 1 citation

Preprint Aug 2026

Coarse to Fine: Iterative Adversarial Neural Cellular Automata for Medical Image Synthesis

StyleGANCA is proposed, the first lightweight general-purpose NCA-based generative adversarial network, enabling latent-controlled image generation through iterative local interactions and achieving competitive image quality with substantially fewer parameters than baseline architectures.

Anh Thi Luu, Nick Lemke, Anirban Mukhopadhyay · 1 citation