Towards Efficient Lung Cancer Detection: V-Net-based Segmentation of Pulmonary Nodules

Asha V, Bhavanishankar K
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Abstract

The novel approach uses the V-Net architecture to segment pulmonary nodules from computed tomography (CT) scans, enhancing lung cancer detection’s efficiency. Addressing lung cancer, a major global mortality cause, underscores the urgency for improved diagnostic methods. The aim of this research is to refine segmentation, a critical step for early cancer detection. The study leverages V-Net, a three-dimensional (3D) convolutional neural network (CNN) tailored for medical image segmentation, applied to lung nodule identification. It utilizes the LUNA16 dataset, containing 888 annotated CT images, for model training and evaluation. This dataset’s variety of pulmonary conditions allows for a comprehensive method of assessment. The tailored V-Net architecture is optimized for lung nodule segmentation, with a focus on data preprocessing to elevate input image quality. Outcomes reveal significant progress in segmentation precision, achieving a loss score of 0.001 and a mIOU of 98%, setting new standards in the domain. Visuals of segmented lung nodules illustrate the method’s effectiveness, indicating a promising avenue for early lung cancer detection and potentially better patient prognoses. The study contributes significantly to enhancing lung cancer diagnostic methodologies through advanced image analysis. An improved segmentation method based on V-Net architecture surpasses current techniques and encourages further deep learning exploration in medical diagnostics.
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实现高效肺癌检测:基于 V-Net 的肺结节分割
这种新方法利用 V-Net 架构从计算机断层扫描(CT)扫描中分割肺结节,提高了肺癌检测的效率。肺癌是导致全球死亡的主要原因之一,解决这一问题凸显了改进诊断方法的紧迫性。这项研究的目的是完善细分,这是早期癌症检测的关键步骤。本研究利用专为医学图像分割定制的三维卷积神经网络(CNN)V-Net,将其应用于肺结节识别。研究利用 LUNA16 数据集进行模型训练和评估,该数据集包含 888 幅注释 CT 图像。该数据集包含多种肺部病症,因此可采用全面的评估方法。量身定制的 V-Net 架构针对肺结节分割进行了优化,重点放在数据预处理上,以提高输入图像的质量。结果显示,分割精度有了明显提高,损失分数达到 0.001,mIOU 达到 98%,为该领域设立了新标准。分割肺结节的视觉效果说明了该方法的有效性,为早期肺癌检测和改善患者预后指明了一条大有可为的途径。这项研究通过先进的图像分析,为加强肺癌诊断方法做出了重大贡献。基于 V-Net 架构的改进型分割方法超越了当前的技术,鼓励在医疗诊断领域进一步探索深度学习。
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