|A Robust Technique for Lung Field Segmentation In Chest Radiographs By Using The Structured Edge Detector|
|Choppara.Bhavana, Dr. Patnala S.R Chandra Murthy, Ch. Anuradha|
|Cite This Article:|
A Robust Technique for Lung Field Segmentation In Chest Radiographs By Using The Structured Edge Detector, International Journal of Innovative Research in Technology(www.ijirt.org) ,ISSN: 2349-6002 ,Volume 6 ,Issue 4 ,Page(s):18-22 ,August 2019 ,Available :IJIRT148609_PAPER.pdf
|Brain region segmentation, skull stripping, MRI,convolutional neural network|
|Lung field segmentation in chest radiographs (CXRs) is an essential preprocessing step in automatically analyzing such images. We present a method for lung field segmentation that is built on a high-quality boundary map detected by an efficient modern boundary detector, namely, a structured edge detector (SED). A SED is trained beforehand to detect lung boundaries in CXRs with manually outlined lung fields. Then, an ultrametric contour map (UCM) is transformed from the masked and marked boundary map. Finally, the contours with the highest confidence level in the UCM are extracted as lung contours. Our method is evaluated using the public JSRT database of scanned films. The average Jaccard index of our method is 95.2%, which is comparable with those of other state-of-the-art methods (95.4%). The computation time of our method is less than 0.1 s for a 256 × 256 CXR when executed on an ordinary laptop. Our method is also validated on CXRs acquired with different digital radiography units. The results demonstrate the generalization of the trained SED model and the usefulness of our method.|
|Unique Paper ID: 148609|
Publication Volume & Issue: Volume 6, Issue 4
Page(s): 18 - 22
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