Pneumonia Classification of Thorax Images using Convolutional Neural Networks

doi:10.25139/inform.v5i2.2707

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Pneumonia Classification of Thorax Images using Convolutional Neural Networks

Institut Sains dan Teknologi Terpadu Surabaya
Institut Sains dan Teknologi Terpadu Surabaya

https://doi.org/10.25139/inform.v5i2.2707

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Keywords: pneumonia, pneumonia classification, thorax image, CNN

Abstract

The digital image processing technique is a product of computing technology development. Medical image data processing based on a computer is a product of computing technology development that can help a doctor to diagnose and observe a patient. This study aimed to perform classification on the image of the thorax by using Convolutional Neural Network (CNN). The data used in this study is lung thorax images that have previously been diagnosed by a doctor with two classes, namely normal and pneumonia. The amount of data is 2.200, 1.760 for training, and 440 for testing. Three stages are used in image processing, namely scaling, gray scaling, and scratching. This study used Convolutional Neural Network (CNN) method with architecture ResNet-50. In the field of object recognition, CNN is the best method because it has the advantage of being able to find its features of the object image by conducting the convolution process during training. CNN has several models or architectures; one of them is ResNet-50 or Residual Network. The selection of ResNet-50 architecture in this study aimed to reduce the loss of gradients at certain network-level depths during training because the object is a chest image of X-Ray that has a high level of visual similarity between some pathology. Moreover, several visual factors also affect the image so that to produce good accuracy requires a certain level of depth on the CNN network. Optimization during training used Adaptive Momentum (Adam) because it had a bias correction technique that provided better approximations to improve accuracy. The results of this study indicated the thorax image classification with an accuracy of 97.73%.

References

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Published

2020-08-01

How to Cite

, & . (2020). Pneumonia Classification of Thorax Images using Convolutional Neural Networks. Inform : Jurnal Ilmiah Bidang Teknologi Informasi Dan Komunikasi, 5(2), 62-68. https://doi.org/10.25139/inform.v5i2.2707

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Vol. 5 No. 2 (2020)

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