Lung Detection and Segmentation Using Marker Watershed and Laplacian Filtering
International Journal of Biomedical Engineering and Clinical Science
Volume 1, Issue 2, November 2015, Pages: 29-42
Received: Aug. 4, 2015; Accepted: Oct. 20, 2015; Published: Oct. 20, 2015
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Mariam Saii, Computer Scinces, Teshreen University, Lattakia, Syria
Ali Mia, Mechanical and Electrical Engineering, Tishreen University, Lattakia, Syria
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This paper proposes a new speed approach for the segmentation of the lung images in order to detect and extract the tumor region. The approach consists of two main stages, which are the preprocessing stage, marker watershed stage and the tumor detection stage. The preprocessing consists of laplacian filtering to enhance edges and make the next stages more efficient. The marker watershed step applies the Sobel gradient function on the foreground and background markers to get the possible tumor region. The post processing stage consists of tumor detection and segmentation in which the area of the tumor is calculated. The results are done on a medical lung database obtained from Tishreen hospital (in Lattakia, Syria) which consists of 59 images from 10 persons. The result shows robustness of the system in detecting and segmenting tumor region in different depths. The designed GUI supplies user with tumor region and area, and time of each stage.
Image Processing, Medical Image Processing, Lung Images, Segmentation, Tumor Detection
To cite this article
Mariam Saii, Ali Mia, Lung Detection and Segmentation Using Marker Watershed and Laplacian Filtering, International Journal of Biomedical Engineering and Clinical Science. Vol. 1, No. 2, 2015, pp. 29-42. doi: 10.11648/j.ijbecs.20150102.12
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