The document discusses previous research on predicting lung cancer using image processing techniques. Various studies are reviewed that used techniques like segmentation, feature extraction and classification on CT scan images to detect lung cancer. Classification approaches discussed include support vector machines, neural networks, fuzzy logic and genetic algorithms. Accuracy of prediction ranged from 80-99% depending on the techniques and image datasets used. The summary highlights several studies that applied methods like segmentation, feature extraction and neural network or SVM classification to CT images to detect lung nodules and predict cancer.
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