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Reinforcing intra-operative tumour localisation with weak supervision from pre-operative appearances

Sidhart Sami, Ali Sharjeel, Sri Atluri, Miao Zhao, Caroline Roney, Eirini Marouli, Shaheer U. Saeed · 2026 · arXiv

DOI: 10.48550/arXiv.2610.31253 · open-access PDF

Hindi

intraoperative छवियों पर सीमित ट्यूमर दृश्यता सर्जिकल नेविगेशन को जटिल बनाता है, जिसमें hepatocellular carcinoma (HCC) कंप्यूटर टॉमोग्राफी (सीटी) छवियों पर लक्षित होता है। यह लेबल डाटा सेट को गहराई से सीखने के लिए क्यूरेट करना मुश्किल बनाता है, और रजिस्ट्रेशन के माध्यम से प्री-ऑपरेशनल डिलिनेशन को स्थानांतरित करना आंतरिक ऑपरेशनल विकृति और जुड़े पूर्व और आंतरिक ऑपरेशनल डेटा की कमी के कारण चुनौतीपूर्ण रहता है।

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

Abstract

Limited tumour visibility on intra-operative images complicates surgical navigation, including liver hepatocellular carcinoma (HCC) targeting on computed tomography (CT) imaging. This makes labelled datasets difficult to curate for deep learning, and transferring pre-operative delineations through registration remains challenging due to intra-operative deformation and lack of paired pre- and intra-operative data. We propose to transfer tumour appearances learned from pre-operative magnetic resonance (MR) images to guide localisation on intra-operative CT through weak supervision. A classifier

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