Medical image processing is a method to create visual representations of the internal parts of the human body such as organs or tissues which helps diagnose and monitor diseases. Pulmonary Embolism (PE) is a medical issue where there is an artery obstruction in the lungs. PE is the third most common cause of cardiovascular death and is related to multiple inherited and acquired risk factors. The earlier diagnosis of PE detection helps to increase the patient's survival. With the advancement of Artificial Intelligence (AI), deep learning has become the leading technique, as it established significant capabilities in medical image processing tasks. In this research, a popular deep learning technique called Convolution Neural Network (CNN) is used to detect the pulmonary embolism in lung CT scan images. Four different types of predefined CNN architectures such as the Inception, VGG-16, ResNet50, and Mobilenet are used to compare the performance of the CNN model. In this experiment, RSNA STR Pulmonary Embolism Chest CT scan image dataset is analyzed. The empirical results show that the Inception-based CNN model provides better results when compared to other CNN architectures.

Keywords： Pulmonary Embolism ; deep learning ; convolution neural network ; VGG-16 ; ResNet50 ; Inception ; Mobilenet