Hemi-diaphragm detection of chest X-ray images based on convolutional neural network and graphics.

IF 1.7 3区 医学 Q3 INSTRUMENTS & INSTRUMENTATION Journal of X-Ray Science and Technology Pub Date : 2024-01-01 DOI:10.3233/XST-240108
Yingjian Yang, Jie Zheng, Peng Guo, Tianqi Wu, Qi Gao, Xueqiang Zeng, Ziran Chen, Nanrong Zeng, Zhanglei Ouyang, Yingwei Guo, Huai Chen
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Abstract

Background: Chest X-rays (CXR) are widely used to facilitate the diagnosis and treatment of critically ill and emergency patients in clinical practice. Accurate hemi-diaphragm detection based on postero-anterior (P-A) CXR images is crucial for the diaphragm function assessment of critically ill and emergency patients to provide precision healthcare for these vulnerable populations.

Objective: Therefore, an effective and accurate hemi-diaphragm detection method for P-A CXR images is urgently developed to assess these vulnerable populations' diaphragm function.

Methods: Based on the above, this paper proposes an effective hemi-diaphragm detection method for P-A CXR images based on the convolutional neural network (CNN) and graphics. First, we develop a robust and standard CNN model of pathological lungs trained by human P-A CXR images of normal and abnormal cases with multiple lung diseases to extract lung fields from P-A CXR images. Second, we propose a novel localization method of the cardiophrenic angle based on the two-dimensional projection morphology of the left and right lungs by graphics for detecting the hemi-diaphragm.

Results: The mean errors of the four key hemi-diaphragm points in the lung field mask images abstracted from static P-A CXR images based on five different segmentation models are 9.05, 7.19, 7.92, 7.27, and 6.73 pixels, respectively. Besides, the results also show that the mean errors of these four key hemi-diaphragm points in the lung field mask images abstracted from dynamic P-A CXR images based on these segmentation models are 5.50, 7.07, 4.43, 4.74, and 6.24 pixels,respectively.

Conclusion: Our proposed hemi-diaphragm detection method can effectively perform hemi-diaphragm detection and may become an effective tool to assess these vulnerable populations' diaphragm function for precision healthcare.

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基于卷积神经网络和图形的胸部 X 光图像半横膈膜检测
背景:在临床实践中,胸部 X 光片(CXR)被广泛用于危重病人和急诊病人的诊断和治疗。基于后前位(P-A)CXR 图像的准确半膈检测对于危重病人和急诊病人的膈肌功能评估至关重要,可为这些弱势群体提供精准的医疗服务:因此,急需开发一种有效、准确的 P-A CXR 图像半膈肌检测方法,以评估这些弱势群体的膈肌功能:基于此,本文提出了一种基于卷积神经网络(CNN)和图形的有效的 P-A CXR 图像半膈检测方法。首先,我们开发了一个鲁棒且标准的病理肺 CNN 模型,该模型由正常和异常的多种肺部疾病病例的 P-A CXR 图像训练而成,可从 P-A CXR 图像中提取肺野。其次,我们提出了一种基于左右肺二维投影形态的新型心膈角定位方法,通过图形检测半膈:结果:基于五种不同的分割模型,从静态 P-A CXR 图像抽取的肺野掩膜图像中四个关键半膈点的平均误差分别为 9.05、7.19、7.92、7.27 和 6.73 像素。此外,结果还显示,基于这些分割模型从动态 P-A CXR 图像抽取的肺野掩膜图像中的这四个关键半膈点的平均误差分别为 5.50、7.07、4.43、4.74 和 6.24 像素:我们提出的半横膈膜检测方法能有效地进行半横膈膜检测,可成为评估这些弱势群体横膈膜功能的有效工具,从而实现精准医疗。
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来源期刊
CiteScore
4.90
自引率
23.30%
发文量
150
审稿时长
3 months
期刊介绍: Research areas within the scope of the journal include: Interaction of x-rays with matter: x-ray phenomena, biological effects of radiation, radiation safety and optical constants X-ray sources: x-rays from synchrotrons, x-ray lasers, plasmas, and other sources, conventional or unconventional Optical elements: grazing incidence optics, multilayer mirrors, zone plates, gratings, other diffraction optics Optical instruments: interferometers, spectrometers, microscopes, telescopes, microprobes
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