Lung Cancer Diagnosis from CT Images Using Fuzzy Inference System

Author(s):  
T. Manikandan ◽  
N. Bharathi
2020 ◽  
Vol 17 (4) ◽  
pp. 1898-1905
Author(s):  
P. Mangayarkarasi ◽  
B. Pugazhenthi

Lungs are the essential organs for respiration (inspiration and expiration) situated at thoracic cavity. Today, the lung cancer is serious disease in the world causing large number of deaths. The cells of all living organisms normally divide and grow in a control manner. When this control process is lost and tissues start expands then the situation is called cancer. Among the various cancers like bone cancer, breast cancer, blood cancer etc., the lung cancer is the most deadly one. The most preferred option for treating the lung cancer in the final stage is surgical removal of the diseased lung. Hence it is necessary to detect the lung cancer at an early stage to limit the danger. In this project the lung cancer diagnosis system based on Fuzzy Inference System (FIS) is proposed to detect the lung cancer at the early stage. The FIS plays a vital role in the medical field to provide medical assistance to the radiologist to diagnose the abnormality in the medical images. The proposed system first segments the suspected lung nodules from the input CT lung image using region based segmentation and classifies the suspected nodules as either benign (normal) or Malignant (cancerous) based on the feature extraction. Then the extracted features are given to the input of FIS. The Fuzzy system finds the severity of the suspected lung nodules based on IF-THEN rule.


Author(s):  
S. Vishwa Kiran ◽  
Inderjeet Kaur ◽  
K. Thangaraj ◽  
V. Saveetha ◽  
R. Kingsy Grace ◽  
...  

In recent times, the healthcare industry has been generating a significant amount of data in distinct formats, such as electronic health records (EHR), clinical trials, genetic data, payments, scientific articles, wearables, and care management databases. Data science is useful for analysis (pattern recognition, hypothesis testing, risk valuation) and prediction. The major, primary usage of data science in the healthcare domain is in medical imaging. At the same time, lung cancer diagnosis has become a hot research topic, as automated disease detection poses numerous benefits. Although numerous approaches have existed in the literature for lung cancer diagnosis, the design of a novel model to automatically identify lung cancer is a challenging task. In this view, this paper designs an automated machine learning (ML) with data science-enabled lung cancer diagnosis and classification (MLDS-LCDC) using computed tomography (CT) images. The presented model initially employs Gaussian filtering (GF)-based pre-processing technique on the CT images collected from the lung cancer database. Besides, they are fed into the normalized cuts (Ncuts) technique where the nodule in the pre-processed image can be determined. Moreover, the oriented FAST and rotated BRIEF (ORB) technique is applied as a feature extractor. At last, sunflower optimization-based wavelet neural network (SFO-WNN) model is employed for the classification of lung cancer. In order to examine the diagnostic outcome of the MLDS-LCDC model, a set of experiments were carried out and the results are investigated in terms of different aspects. The resultant values demonstrated the effectiveness of the MLDS-LCDC model over the other state-of-the-art methods with the maximum sensitivity of 97.01%, specificity of 98.64%, and accuracy of 98.11%.


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