arXiv:2410.14536eess.IVcs.CV2024-10被引 4

用混合模型与不确定性量化,实现白血病细胞100%精准识别

A Hybrid Feature Fusion Deep Learning Framework for Leukemia Cancer Detection in Microscopic Blood Sample Using Gated Recurrent Unit and Uncertainty Quantification

  • 融合InceptionV3/EfficientNet/MobileNet与GRU,结合贝叶斯调参优化
  • 在ALL-IDB1上达100%准确率,全部数据集平均98.64%准确率
  • 可量化诊断不确定性,适合临床辅助诊断与医学AI研究者

急性淋巴细胞白血病(ALL)是成人和儿童中最致命的癌症类型。传统诊断依赖显微镜观察血涂片和骨髓涂片,辅以细胞化学检测,但耗时、昂贵且高度依赖专家经验。近年来,深度学习尤其是卷积神经网络(CNN)被用于分类显微图像,快速、低成本且减少人为偏见。然而多数方法缺乏不确定性量化能力,可能导致误诊。本研究采用混合深度学习模型(InceptionV3-GRU、EfficientNetB3-GRU、MobileNetV2-GRU),通过贝叶斯优化调优超参数,并引入深度集成不确定性量化方法。模型在公开数据集ALL-IDB1和ALL-IDB2上训练,使用求和规则在分数层融合结果。该并行架构显著提升对ALL与非ALL病例的区分置信度。结果显示,在ALL-IDB1上准确率达100%,在ALL-IDB2上为98.07%,联合数据集为98.64%,证明其在白血病诊断中具备高精度与可靠性。

原文摘要 · Abstract (English)

Acute lymphoblastic leukemia (ALL) is the most malignant form of leukemia and the most common cancer in adults and children. Traditionally, leukemia is diagnosed by analyzing blood and bone marrow smears under a microscope, with additional cytochemical tests for confirmation. However, these methods are expensive, time consuming, and highly dependent on expert knowledge. In recent years, deep learning, particularly Convolutional Neural Networks (CNNs), has provided advanced methods for classifying microscopic smear images, aiding in the detection of leukemic cells. These approaches are quick, cost effective, and not subject to human bias. However, most methods lack the ability to quantify uncertainty, which could lead to critical misdiagnoses. In this research, hybrid deep learning models (InceptionV3-GRU, EfficientNetB3-GRU, MobileNetV2-GRU) were implemented to classify ALL. Bayesian optimization was used to fine tune the model's hyperparameters and improve its performance. Additionally, Deep Ensemble uncertainty quantification was applied to address uncertainty during leukemia image classification. The proposed models were trained on the publicly available datasets ALL-IDB1 and ALL-IDB2. Their results were then aggregated at the score level using the sum rule. The parallel architecture used in these models offers a high level of confidence in differentiating between ALL and non-ALL cases. The proposed method achieved a remarkable detection accuracy rate of 100% on the ALL-IDB1 dataset, 98.07% on the ALL-IDB2 dataset, and 98.64% on the combined dataset, demonstrating its potential for accurate and reliable leukemia diagnosis.

白血病检测深度学习不确定性量化医学图像分析

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