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dc.contributor.authorSudheesh, R.K.
dc.contributor.authorRajan, J.
dc.contributor.authorVeena, V.S.
dc.contributor.authorSujathan, K.
dc.identifier.citation2016 IEEE Students' Technology Symposium, TechSym 2016, 2017, Vol., , pp.102-105en_US
dc.description.abstractLung cancer is one among the major causes of cancer related deaths. Fortunately, an early stage diagnosis can increase the survival rates of the patients. Sputum cytology is one of the easiest and cost-effective method for lung cancer diagnosis. Chances of misdiagnosis and sampling error related to sputum cytology led to the concept of malignancy associated changes. Malignancy associated changes (MAC) are the subtle changes that happens to the normal appearing cells near or distant from the malignant cells. Literature suggests that these changes can be used as an indicator for lung cancer rather than using malignant cells which are very less in number compared to the normal appearing cells in sputum cytology images. The proposed work is intended to detect cells with MAC from sputum smear images. Analysis of nuclei texture features of sputum cell nuclei using Gray Level Co-occurrence Matrix and Gray Level Run Length Matrix from both normal and cancer patients revealed that both type of cells could be differentiated. Among 110 texture features calculated for each nuclei, a set of 35 features which clearly distinguishes normal cells and normal appearing cells were chosen. Support Vector Machine (SVM) classifier is used to classify the cells into two classes i.e cells with MAC and cells without MAC. This study demonstrates that the presence of MAC cells in conventional microscopic sputum cytology images can be identified using image processing techniques and it can have some significance in the early detection of lung cancer. � 2016 IEEE.en_US
dc.titleStudy of malignancy associated changes in sputum images as an indicator of lung canceren_US
dc.typeBook chapteren_US
Appears in Collections:2. Conference Papers

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