Deep Transfer Learning for Automatic Prediction of Hemorrhagic Stroke on CT Images

B Nageswara Rao1, Sudhansu Mohanty2, Kamal Sen2

  • 1School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India.

Insights

This study introduces an automated deep learning model for diagnosing intracranial hemorrhage (ICH) from brain CT scans. The advanced method significantly improves accuracy, aiding radiologists in faster stroke detection.

Area of Science:

  • Medical Imaging
  • Artificial Intelligence
  • Neurology

Background:

  • Intracerebral hemorrhage (ICH) is a critical form of stroke requiring prompt diagnosis.
  • Manual analysis of noncontrast-computed tomography (NCCT) brain images for ICH is labor-intensive and time-consuming.
  • Accurate and rapid diagnosis is crucial for effective patient management.

Purpose of the Study:

  • To develop and evaluate an automated deep transfer learning model for detecting intracranial hemorrhage on NCCT brain images.
  • To improve the efficiency and accuracy of hemorrhagic stroke diagnosis.
  • To assess the model's potential as a clinical decision support tool.

Main Methods:

  • A deep transfer learning model combining ResNet-50 and a dense layer was proposed.
  • The model was trained and evaluated on 1164 NCCT brain images from 62 patients.
  • The model classifies individual CT images as either hemorrhagic or normal.

Main Results:

  • The proposed deep transfer learning model achieved high performance metrics.
  • Achieved 99.6% accuracy, 99.7% specificity, and 99.4% sensitivity.
  • Outperformed the standard ResNet-50 model in diagnosing intracranial hemorrhage.

Conclusions:

  • The deep transfer learning model demonstrates significant advantages for automated hemorrhagic stroke diagnosis.
  • The model shows potential as a valuable clinical decision support tool for radiologists.
  • Automated analysis can expedite the diagnosis of intracranial hemorrhage, improving patient outcomes.