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Lightweight Frame Compensation for Real-Time Polyp Segmentation under Frame Skipping

Weihao Gao · 2026 · arXiv

DOI: 10.48550/arXiv.2610.31228 · open-access PDF

German

Die Echtzeit-Polyp-Segmentierung in der computerunterstützten Koloskopie wird durch die Schwierigkeit behindert, hochgenauige Modelle unter strengen Latenzbudgets zu implementieren. Das Frame Skipping, das jede K-Frame inferenziert und den Rest wiederverwendet oder interpoliert, verbessert die Durchsatzleistung, führt aber zu Bewegungsblindheit und Läsionsverzerrungen, die die zeitliche Konsistenz beeinträchtigen. Um diese Lücke zu schließen, schlagen wir den Lightweight Frame Compensator (LFC) vor, ein 77K-Parameter-Plug-and-Play-Modul, das vor einem gefrorenen Segmentierungsrücken eingeführt wird.

Machine translation (Meta M2M100); the English original follows.

Abstract

Real-time polyp segmentation in computer-assisted colonoscopy is hampered by the difficulty of deploying high-accuracy models under strict latency budgets. Frame skipping, which performs inference every K frames and reuses or interpolates the rest, improves throughput but introduces motion blur and lesion misalignment that degrade temporal consistency. To close this gap, we propose the Lightweight Frame Compensator (LFC), a 77K-parameter plug-and-play module inserted before a frozen segmentation backbone. Operating on a three-frame window, LFC fuses consecutive frames via spatio-temporal atten

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