Efficacy of exponentiation method with a convolutional neural network for classifying lung nodules on CT images by malignancy level.

Takuma UsuzakiKengo TakahashiHidenobu TakagiMami IshikuroTaku ObaraTakumi YamauraMasahiro KamimotoKazuhiro Majima

Published in: European radiology (2023)

• The exponentiation method improved the performance of the convolutional neural network. • Contrast accentuation by the exponentiation method may derive features of lung nodules. • Sensitivity and specificity can be adjusted by selecting an exponent value.

Keyphrases

convolutional neural network
deep learning
computed tomography
contrast enhanced
image quality
machine learning
positron emission tomography
dual energy
pet ct