Comparison with ground truth: Neural network-produced CT ventilation images (a–c) and Galligas PET ventilation images (d–f) for a high-correlation case. (Courtesy: CC BY 4.0/Med. Phys.

This paper proposes an end-to-end trained fully convolutional neural network model to process 3D image volumes. Unlike previous works that processed the input volumes slice-wise or patch-wise, the ...