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通过医疗物联网 (IoMT) 诊断系统识别乳房 X 光片中的异常。

Identification of Anomalies in Mammograms through Internet of Medical Things (IoMT) Diagnosis System.

机构信息

Artificial Intelligence & Data Analytics Lab CCIS, Prince Sultan University, Riyadh 11586, Saudi Arabia.

Department of Computer Science and Software Engineering, International Islamic University, Islamabad 44000, Pakistan.

出版信息

Comput Intell Neurosci. 2022 Sep 22;2022:1100775. doi: 10.1155/2022/1100775. eCollection 2022.

Abstract

Breast cancer is the primary health issue that women may face at some point in their lifetime. This may lead to death in severe cases. A mammography procedure is used for finding suspicious masses in the breast. Teleradiology is employed for online treatment and diagnostics processes due to the unavailability and shortage of trained radiologists in backward and remote areas. The availability of online radiologists is uncertain due to inadequate network coverage in rural areas. In such circumstances, the Computer-Aided Diagnosis (CAD) framework is useful for identifying breast abnormalities without expert radiologists. This research presents a decision-making system based on IoMT (Internet of Medical Things) to identify breast anomalies. The proposed technique encompasses the region growing algorithm to segment tumor that extracts suspicious part. Then, texture and shape-based features are employed to characterize breast lesions. The extracted features include first and second-order statistics, center-symmetric local binary pattern (CS-LBP), a histogram of oriented gradients (HOG), and shape-based techniques used to obtain various features from the mammograms. Finally, a fusion of machine learning algorithms including K-Nearest Neighbor (KNN), Support Vector Machine (SVM), and Linear Discriminant Analysis (LDA are employed to classify breast cancer using composite feature vectors. The experimental results exhibit the proposed framework's efficacy that separates the cancerous lesions from the benign ones using 10-fold cross-validations. The accuracy, sensitivity, and specificity attained are 96.3%, 94.1%, and 98.2%, respectively, through shape-based features from the MIAS database. Finally, this research contributes a model with the ability for earlier and improved accuracy of breast tumor detection.

摘要

乳腺癌是女性在其一生中可能面临的主要健康问题。在严重的情况下,这可能导致死亡。乳房 X 光检查用于发现乳房中的可疑肿块。由于落后和偏远地区缺乏受过培训的放射科医生,远程放射学用于在线治疗和诊断过程。由于农村地区网络覆盖不足,在线放射科医生的可用性不确定。在这种情况下,计算机辅助诊断 (CAD) 框架可用于在没有专家放射科医生的情况下识别乳房异常。本研究提出了一种基于物联网 (IoMT) 的决策系统,用于识别乳房异常。所提出的技术包括区域生长算法来分割肿瘤,提取可疑部分。然后,使用基于纹理和形状的特征来描述乳房病变。提取的特征包括一阶和二阶统计、中心对称局部二值模式 (CS-LBP)、方向梯度直方图 (HOG) 以及用于从乳房 X 光片中获得各种特征的基于形状的技术。最后,使用机器学习算法(包括 K-最近邻 (KNN)、支持向量机 (SVM) 和线性判别分析 (LDA))融合来使用复合特征向量对乳腺癌进行分类。实验结果表明,该框架通过使用来自 MIAS 数据库的基于形状的特征,使用 10 倍交叉验证将癌症病变与良性病变分开,具有有效性。分别达到 96.3%、94.1%和 98.2%的准确率、灵敏度和特异性。最后,这项研究提出了一种模型,具有更早和提高的乳房肿瘤检测准确性的能力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5180/9522488/31b450de2a28/CIN2022-1100775.001.jpg

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