Microsurgical Instrument Segmentation for Robot-Assisted Surgery

Fuente: arXiv
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Auteurs principaux: Jeong, Tae Kyeong, Kim, Garam, Park, Juyoun
Format: Preprint
Publié: 2025
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author Jeong, Tae Kyeong
Kim, Garam
Park, Juyoun
author_facet Jeong, Tae Kyeong
Kim, Garam
Park, Juyoun
contents Accurate segmentation of thin structures is critical for microsurgical scene understanding but remains challenging due to resolution loss, low contrast, and class imbalance. We propose Microsurgery Instrument Segmentation for Robotic Assistance(MISRA), a segmentation framework that augments RGB input with luminance channels, integrates skip attention to preserve elongated features, and employs an Iterative Feedback Module(IFM) for continuity restoration across multiple passes. In addition, we introduce a dedicated microsurgical dataset with fine-grained annotations of surgical instruments including thin objects, providing a benchmark for robust evaluation Dataset available at https://huggingface.co/datasets/KIST-HARILAB/MISAW-Seg. Experiments demonstrate that MISRA achieves competitive performance, improving the mean class IoU by 5.37% over competing methods, while delivering more stable predictions at instrument contacts and overlaps. These results position MISRA as a promising step toward reliable scene parsing for computer-assisted and robotic microsurgery.
format Preprint
id arxiv_https___arxiv_org_abs_2509_11727
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Microsurgical Instrument Segmentation for Robot-Assisted Surgery
Jeong, Tae Kyeong
Kim, Garam
Park, Juyoun
Computer Vision and Pattern Recognition
Artificial Intelligence
I.4.6; I.4.8
Accurate segmentation of thin structures is critical for microsurgical scene understanding but remains challenging due to resolution loss, low contrast, and class imbalance. We propose Microsurgery Instrument Segmentation for Robotic Assistance(MISRA), a segmentation framework that augments RGB input with luminance channels, integrates skip attention to preserve elongated features, and employs an Iterative Feedback Module(IFM) for continuity restoration across multiple passes. In addition, we introduce a dedicated microsurgical dataset with fine-grained annotations of surgical instruments including thin objects, providing a benchmark for robust evaluation Dataset available at https://huggingface.co/datasets/KIST-HARILAB/MISAW-Seg. Experiments demonstrate that MISRA achieves competitive performance, improving the mean class IoU by 5.37% over competing methods, while delivering more stable predictions at instrument contacts and overlaps. These results position MISRA as a promising step toward reliable scene parsing for computer-assisted and robotic microsurgery.
title Microsurgical Instrument Segmentation for Robot-Assisted Surgery
topic Computer Vision and Pattern Recognition
Artificial Intelligence
I.4.6; I.4.8
url https://arxiv.org/abs/2509.11727