Sabina Zaman1*, Mamun Ahmed2, Mohammad Asaduzzaman Khan2, Tamanna Tajrin2
Keywords: Lung cancer, CT scan images, Image processing, Machine learning algorithm
Abstract: Lung cancer is considered the most common cancer for men and the third common for women. According to the world health organization report near about 1.76 million people died from lung cancer in 2018. Among various computer-aided diagnosis systems processing and analysing CT scan images to detect cancer from images of nodule has become popular in this age. After the implementation of several image processing steps, four (4) significant features- Area, Eccentricity, Diameter, and Perimeter have been extracted. Not only from online CT images of the lung but also using real-life data, a custom database has been prepared. As it is a self-made database, class labels have been determined according to standard rules for stage labelling, so the number of clusters has been verified using the K-valid algorithm. For classification purposes of cancer nodule staging, various machine learning algorithms have been implemented. The comparisons of accuracy and other measures of the classifiers have been implemented to rate and to choose the best classifier for this subject. It is observed that the overall accuracy of each machine learning algorithm has been improved after implementing new approaches to image processing. Unlike other approaches of binary class prediction and implementation of a single algorithm for the task, here we have tried to predict stages and a comparison among the three most traditional machine learning algorithms has been demonstrated.
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