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Customized VGG19 Architecture for Pneumonia Detection in Chest X-Rays
Pattern Recognition Letters ( IF 3.9 ) Pub Date : 2021-01-04 , DOI: 10.1016/j.patrec.2020.12.010
Nilanjan Dey , Yu-Dong Zhang , V. Rajinikanth , R. Pugalenthi , N. Sri Madhava Raja

Pneumonia is one of the major illnesses in children and aged humans due to the Infection in the lungs. Early analysis of pneumonia is necessary to prepare for a possible treatment procedure to regulate and cure the disease. This research aspires to develop a Deep-Learning System (DLS) to diagnose the lung abnormality using chest X-ray (radiograph) images. The proposed work is implemented using; (i) Conventional chest radiographs and (ii) Chest radiograph treated with a threshold filter. The initial experimental evaluation is carried out using the traditional DLS, such as AlexNet, VGG16, VGG19 and ResNet50 with a SoftMax classifier. The results confirmed that, VGG19 provides better classification accuracy (86.97%) compared to other methods. Later, a customized VGG19 network is proposed using the Ensemble Feature Scheme (EFS), which combines the handcrafted features attained with CWT, DWT and GLCM with the Deep-Features (DF) achieved using Transfer-Learning (TL) practice. The performance of customized VGG19 is tested using different classifiers, such as SVM-linear, SVM-RBF, KNN classifier, Random-Forest (RF) and Decision-Tree (DT). The result confirms that VGG19 with RF classifier offers better accuracy (95.70%). When the similar experiment is repeated using threshold filter treated chest radiographs, the VGG19 with RF classifier offered superior classification accuracy (97.94%). This result confirms that, proposed DLS will work well on the benchmark images and in the future, it can be considered to diagnose clinical grade chest radiographs.



中文翻译:

定制的VGG19架构用于胸部X射线检测肺炎

由于肺部感染,肺炎是儿童和老年人的主要疾病之一。对肺炎进行早期分析是必要的,以准备可能的治疗方法来调节和治愈该疾病。这项研究旨在开发一种深度学习系统(DLS),以使用胸部X射线(射线照相)图像诊断肺部异常。拟议工作是通过以下方式实施的:(i)常规胸部X光片,以及(ii)用阈值滤镜治疗的胸部X光片。初始实验评估是使用传统的DLS进行的,例如带有SoftMax分类器的AlexNet,VGG16,VGG19和ResNet50。结果证实,与其他方法相比,VGG19提供了更好的分类准确性(86.97%)。后来,使用集成功能方案(EFS)提出了定制的VGG19网络,结合了CWT,DWT和GLCM的手工制作功能以及通过学习转移(TL)练习获得的深度功能(DF)。使用不同的分类器(例如SVM-linear,SVM-RBF,KNN分类器,Random-Forest(RF)和Decision-Tree(DT))测试了定制VGG19的性能。结果证实,带有RF分类器的VGG19具有更好的准确性(95.70%)。当使用阈值滤波器处理的胸部X射线照片重复进行类似的实验时,带有RF分类器的VGG19提供了卓越的分类准确性(97.94%)。该结果证实,提出的DLS将在基准图像上很好地工作,并且在将来,它可以被认为是诊断临床级胸部X光片。使用不同的分类器(例如SVM-linear,SVM-RBF,KNN分类器,Random-Forest(RF)和Decision-Tree(DT))测试了定制VGG19的性能。结果证实,带有RF分类器的VGG19具有更好的准确性(95.70%)。当使用阈值滤波器处理的胸部X射线照片重复进行类似的实验时,带有RF分类器的VGG19提供了卓越的分类准确性(97.94%)。该结果证实,提出的DLS将在基准图像上很好地工作,并且在将来,它可以被认为是诊断临床级胸部X光片。使用不同的分类器(例如SVM-linear,SVM-RBF,KNN分类器,Random-Forest(RF)和Decision-Tree(DT))测试了定制VGG19的性能。结果证实,带有RF分类器的VGG19具有更好的准确性(95.70%)。当使用阈值滤波器处理的胸部X射线照片重复进行类似的实验时,带有RF分类器的VGG19提供了卓越的分类准确性(97.94%)。该结果证实,提出的DLS将在基准图像上很好地工作,并且在将来,它可以被认为是诊断临床级胸部X光片。当使用阈值滤波器处理的胸部X射线照片重复进行类似的实验时,带有RF分类器的VGG19提供了卓越的分类准确性(97.94%)。该结果证实,提出的DLS将在基准图像上很好地工作,并且在将来,它可以被认为是诊断临床级胸部X光片。使用阈值滤波器处理的胸部X射线照片重复进行类似的实验时,带有RF分类器的VGG19提供了卓越的分类准确性(97.94%)。该结果证实,提出的DLS将在基准图像上很好地工作,并且在将来,它可以被认为是诊断临床级胸部X光片。

更新日期:2021-01-18
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