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arXiv 2112.06979eess.IVcs.CV

脑肿瘤序列配准(BraTS-Reg)挑战赛:建立弥漫性胶质瘤患者术前与随访MRI扫描之间的对应关系

The Brain Tumor Sequence Registration (BraTS-Reg) Challenge: Establishing Correspondence Between Pre-Operative and Follow-up MRI Scans of Diffuse Glioma Patients

Division of Computational Pathology, Department of Pathology and Laboratory Medicine, Indiana University School of Medicine(印第安纳大学医学院计算病理学系);Department of Electrical and Systems Engineering, Washington University in St. Louis(圣路易斯华盛顿大学电气与系统工程系);GE HealthCare(GE医疗);Center for Artificial Intelligence and Data Science for Integrated Diagnostics (AI2D) and Center for Biomedical Image Computing and Analytics (CBICA), University of Penn(宾夕法尼亚大学综合诊断人工智能与数据科学中心及生物医学图像计算与分析中心)
Bhakti Baheti, Satrajit Chakrabarty, Hamed Akbari, Michel Bilello, Benedikt Wiestler, Julian Schwarting, Evan Calabrese, Jeffrey Rudie, Syed Abidi, Mina Mousa, … 展开作者

Bhakti Baheti, Satrajit Chakrabarty, Hamed Akbari, Michel Bilello, Benedikt Wiestler, Julian Schwarting, Evan Calabrese, Jeffrey Rudie, Syed Abidi, Mina Mousa, Javier Villanueva-Meyer, Brandon K. K. Fields, Florian Kofler, Russell Takeshi Shinohara, Juan Eugenio Iglesias, Tony C. W. Mok, Albert C. S. Chung, Marek Wodzinski, Artur Jurgas, Niccolo Marini, Manfredo Atzori, Henning Muller, Christoph Grobroehmer, Hanna Siebert, Lasse Hansen, Mattias P. Heinrich, Luca Canalini, Jan Klein, Annika Gerken, Stefan Heldmann, Alessa Hering, Horst K. Hahn, Mingyuan Meng, Lei Bi, Dagan Feng, Jinman Kim, Ramy A. Zeineldin, Mohamed E. Karar, Franziska Mathis-Ullrich, Oliver Burgert, Javid Abderezaei, Aymeric Pionteck, Agamdeep Chopra, Mehmet Kurt, Kewei Yan, Yonghong Yan, Zhe Tang, Jianqiang Ma, Sahar Almahfouz Nasser, Nikhil Cherian Kurian, Mohit Meena, Saqib Shamsi, Amit Sethi, Nicholas J. Tustison, Brian B. Avants, Philip Cook, James C. Gee, Lin Tian, Hastings Greer, Marc Niethammer, Andrew Hoopes, Malte Hoffmann, Adrian V. Dalca, Stergios Christodoulidis, Theo Estiene, Maria Vakalopoulou, Nikos Paragios, Daniel S. Marcus, Christos Davatzikos, Aristeidis Sotiras, Bjoern Menze, Spyridon Bakas, Diana Waldmannstetter

AI总结:

本文介绍首个面向弥漫性胶质瘤术前与随访MRI可变形配准的BraTS-Reg公开基准,详述其数据集、标注与评估指标,分析顶尖方法共性并指出仍有提升空间,旨在提供长期研究资源。

摘要:

由于组织外观的剧烈变化,对包含病变的纵向脑部MRI扫描进行配准颇具挑战性。尽管通用医学图像配准技术的研发已取得进展,但它们尚未达到该任务所需的精度和可靠性,凸显了这一任务固有的复杂性。本文介绍了脑肿瘤序列配准(BraTS-Reg)挑战赛,这是首个面向可变形配准算法的公开基准环境,专注于估计同一弥漫性脑胶质瘤患者术前与随访扫描之间的对应关系。BraTS-Reg数据集包含去标识化的多中心多参数MRI(mpMRI)扫描,这些扫描依据标准解剖模板在尺寸和分辨率上进行了统一整理,并被划分为训练集、验证集和测试集。临床专家标注了在时间维度上具有区分度的解剖位置的真实(GT) landmark点。定量评估与排名基于中位欧氏误差(MEE)、鲁棒性以及位移场雅可比矩阵的行列式。排名靠前的方法在所有评估指标上表现相近,且具备若干共同的方法学特征,包括预对齐、深度神经网络、逆一致性分析,以及作为后处理步骤的逐样本测试时实例优化。排名最高的方法在约60%的评估landmark上达到了不高于评分者间变异性的MEE,这表明尤其在对标人类专家表现的情况下,算法在精度和鲁棒性方面仍有进一步提升的空间。BraTS-Reg的目标是持续作为活跃的研究资源,相关数据和在线评估工具可通过https://bratsreg.github.io/获取。

英文摘要:

Registration of longitudinal brain MRI scans containing pathologies is challenging due to dramatic changes in tissue appearance. Although there has been progress in developing general-purpose medical image registration techniques, they have not yet attained the requisite precision and reliability for this task, highlighting its inherent complexity. Here we describe the Brain Tumor Sequence Registration (BraTS-Reg) challenge, as the first public benchmark environment for deformable registration algorithms focusing on estimating correspondences between pre-operative and follow-up scans of the same patient diagnosed with a diffuse brain glioma. The BraTS-Reg data comprise de-identified multi-institutional multi-parametric MRI (mpMRI) scans, curated for size and resolution according to a canonical anatomical template, and divided into training, validation, and testing sets. Clinical experts annotated ground truth (GT) landmark points of anatomical locations distinct across the temporal domain. Quantitative evaluation and ranking were based on the Median Euclidean Error (MEE), Robustness, and the determinant of the Jacobian of the displacement field. The top-ranked methodologies yielded similar performance across all evaluation metrics and shared several methodological commonalities, including pre-alignment, deep neural networks, inverse consistency analysis, and test-time instance optimization per-case basis as a post-processing step. The top-ranked method attained the MEE at or below that of the inter-rater variability for approximately 60% of the evaluated landmarks, underscoring the scope for further accuracy and robustness improvements, especially relative to human experts. The aim of BraTS-Reg is to continue to serve as an active resource for research, with the data and online evaluation tools accessible at https://bratsreg.github.io/.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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