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arXiv 2508.07528cs.CV

通过带有拒绝模块的 Top-rank Learning 提升医学图像诊断的可靠性

Enhancing Reliability of Medical Image Diagnosis through Top-rank Learning with Rejection Module

Kyushu University(九州大学)

Xiaotong Ji, Ryoma Bise, Seiichi Uchida

AI总结:

本文提出整合拒绝模块的 top-rank learning 方法,通过协同优化识别并减轻异常值影响,提升医学图像诊断的可靠性与准确性。

摘要:

在医学图像处理中,准确诊断至关重要。利用机器学习技术,特别是 top-rank learning,通过聚焦最关键实例展现出显著前景。然而,噪声标签和类别模糊实例带来了挑战,它们可能被错误地置于 top-ranked 实例中,从而严重阻碍 top-rank 目标。为解决这些问题,我们提出一种新方法,通过整合拒绝模块来增强 top-rank learning。该模块与 top-rank loss 协同优化,识别并减轻阻碍训练效果的异常值影响。拒绝模块作为附加分支,基于衡量实例偏离常态的拒绝函数对实例进行评估。通过在医学数据集上的实验验证,我们的方法证明了其在检测和减轻异常值方面的有效性,提升了医学图像诊断的可靠性和准确性。

英文摘要:

In medical image processing, accurate diagnosis is of paramount importance. Leveraging machine learning techniques, particularly top-rank learning, shows significant promise by focusing on the most crucial instances. However, challenges arise from noisy labels and class-ambiguous instances, which can severely hinder the top-rank objective, as they may be erroneously placed among the top-ranked instances. To address these, we propose a novel approach that enhances toprank learning by integrating a rejection module. Cooptimized with the top-rank loss, this module identifies and mitigates the impact of outliers that hinder training effectiveness. The rejection module functions as an additional branch, assessing instances based on a rejection function that measures their deviation from the norm. Through experimental validation on a medical dataset, our methodology demonstrates its efficacy in detecting and mitigating outliers, improving the reliability and accuracy of medical image diagnoses.

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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