A feasibility study of automatic lung nodule detection in chest digital tomosynthesis with machine learning based on support vector machine

Donghoon Lee; Ye-seul Kim; Sunghoon Choi; Haenghwa Lee; Byungdu Jo; Seungyeon Choi; Jungwook Shin; Hee-Joung Kim

doi:10.1117/12.2253294

3 March 2017 A feasibility study of automatic lung nodule detection in chest digital tomosynthesis with machine learning based on support vector machine

Donghoon Lee, Ye-seul Kim, Sunghoon Choi, Haenghwa Lee, Byungdu Jo, Seungyeon Choi, Jungwook Shin, Hee-Joung Kim

Author Affiliations +

Proceedings Volume 10134, Medical Imaging 2017: Computer-Aided Diagnosis; 101343P (2017) https://doi.org/10.1117/12.2253294
Event: SPIE Medical Imaging, 2017, Orlando, Florida, United States

Abstract

The chest digital tomosynthesis(CDT) is recently developed medical device that has several advantage for diagnosing lung disease. For example, CDT provides depth information with relatively low radiation dose compared to computed tomography (CT). However, a major problem with CDT is the image artifacts associated with data incompleteness resulting from limited angle data acquisition in CDT geometry. For this reason, the sensitivity of lung disease was not clear compared to CT. In this study, to improve sensitivity of lung disease detection in CDT, we developed computer aided diagnosis (CAD) systems based on machine learning. For design CAD systems, we used 100 cases of lung nodules cropped images and 100 cases of normal lesion cropped images acquired by lung man phantoms and proto type CDT. We used machine learning techniques based on support vector machine and Gabor filter. The Gabor filter was used for extracting characteristics of lung nodules and we compared performance of feature extraction of Gabor filter with various scale and orientation parameters. We used 3, 4, 5 scales and 4, 6, 8 orientations. After extracting features, support vector machine (SVM) was used for classifying feature of lesions. The linear, polynomial and Gaussian kernels of SVM were compared to decide the best SVM conditions for CDT reconstruction images. The results of CAD system with machine learning showed the capability of automatically lung lesion detection. Furthermore detection performance was the best when Gabor filter with 5 scale and 8 orientation and SVM with Gaussian kernel were used. In conclusion, our suggested CAD system showed improving sensitivity of lung lesion detection in CDT and decide Gabor filter and SVM conditions to achieve higher detection performance of our developed CAD system for CDT.

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Donghoon Lee, Ye-seul Kim, Sunghoon Choi, Haenghwa Lee, Byungdu Jo, Seungyeon Choi, Jungwook Shin, and Hee-Joung Kim "A feasibility study of automatic lung nodule detection in chest digital tomosynthesis with machine learning based on support vector machine", Proc. SPIE 10134, Medical Imaging 2017: Computer-Aided Diagnosis, 101343P (3 March 2017); https://doi.org/10.1117/12.2253294

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KEYWORDS

Lung

CAD systems

Machine learning

Computed tomography

Computer aided diagnosis and therapy

Chest

Gaussian filters

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