Lung nodule segmentation and detection in computed tomography
El-Regaily, Salsabil; Salem M.; Aziz, Mohamed Hassan Abdel; Roushdy, Mohamed Ismail;
Abstract
Computer Aided Detection (CAD) systems provide a second opinion to radiologists in detecting lung cancer by providing automated analysis of the scans. The proposed CAD system consists of five processing steps: image acquisition, preprocessing, lung segmentation, nodule detection and false positive reduction. First, 400 CT scans are downloaded from the Lung Image Database Consortium (LIDC). Preprocessing is implemented using contrast stretching and enhancing. Lung segmentation and nodule detection stages are performed using a combination of region growing, thresholding and morphological operations. Each 3D structure is then subjected to tabular structure elimination to provide nodule candidates. In the false positive reduction stage, some of the basic nodule features are extracted from the training data to set thresholds for a simple rule-based classifier. The CAD achieved sensitivity of 77.77%, specificity of 69.5% and accuracy 70.53 % with an average 4.1 FPs/scan.
Other data
Title | Lung nodule segmentation and detection in computed tomography | Authors | El-Regaily, Salsabil ; Salem M. ; Aziz, Mohamed Hassan Abdel; Roushdy, Mohamed Ismail | Keywords | Computed Tomography;Computer Aided Detection;Lung Cancer;Rule-Based Classifier;Segmentation | Issue Date | 1-Jul-2017 | Conference | 2017 IEEE 8th International Conference on Intelligent Computing and Information Systems, ICICIS 2017 | ISBN | 9772371723 | DOI | 10.1109/INTELCIS.2017.8260029 | Scopus ID | 2-s2.0-85047058672 |
Attached Files
File | Description | Size | Format | |
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Lung Nodules Segmentation and Detection in Computed Tomography.pdf | 635.42 kB | Unknown | View/Open |
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