Ischemic Stroke Classification using Random Forests Based on Feature Extraction of Convolutional Neural Networks

Glori Stephani Saragih, Zuherman Rustam, Dipo Aldila, Rahmat Hidayat, Reyhan E. Yunus, Jacub Pandelaki

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Stroke has become a global health problem, due to high mortality and disability, with two-thirds of all strokes occurring in developing countries. In Indonesia, stroke is a disease with the highest mortality rate, namely in the first rank for more than two decades, 1990-2017. Stroke is divided into two types, ischemic and hemorrhagic; however, 87% of stroke sufferers are ischemic stroke. Suppose an ischemic stroke is found, and the patient is a new sufferer. In that case, the patient should get direct treatment because there is a golden period in stroke management that is if 4.5 hours to help and reduce the risk of death or permanent disability. High mortality and disability raise awareness of the importance of early detection of ischemic stroke; therefore, research has been carried out, especially in technology. To carry out automatic diagnosis, machine learning and deep learning can be used, especially because of their ability to provide high accuracy prediction results. In this study, the authors will provide an update in the detection of ischemic stroke based on patient CT scan by replacing NN’s role on CNN with random forests. Thus, after feature extraction on CNN, the fully connected layer on CNN is completely replaced by random forests in classifying data. Based on the proposed method, the accuracy of testing is 100% when the percentage of the testing dataset is 10% and the number of trees more than 100 with criterion Gini or entropy.

Original languageEnglish
Pages (from-to)2177-2182
Number of pages6
JournalInternational Journal on Advanced Science, Engineering and Information Technology
Issue number5
Publication statusPublished - 2020


  • convolutional neural networks
  • image classification
  • neuroimaging
  • random forests
  • stroke ischemic


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