Abstract
Digital medical images assist specialists in improving their diagnostic efficiency and in treating diseases. For example, the chest Computed Tomography (CT) images help in diagnosing the lung disease. The chest CT scan generates multiple images of a patient’s lung. A medical image processing technique helps in segmenting these images. It is important to perform this step before processing other medical images. Among the various image segmentation methods available, the method using Level-set is robust to irregular noises. However, the problems faced in using this method include manual input of the initial contour and slow performance speed. Inputting an initial contour to the Level-set that correctly fits the object’s form helps in reducing the number of repetitions. This in turn helps in improving the segmentation performance speed. However, it is difficult for a user to input an appropriate initial contour. Therefore, this paper aims at providing a method to auto-configure the initial contour in the Level-set method. Multi-Resolution Analysis (MRA) helps in reducing the pace of the auto-configuration process of the initial contour. In addition, the volume data of a CT image is used to prevent data loss that occurs during the MRA transformation process. Studies have confirmed that the proposed method facilitates drastic improvements in the performance time and in the segmentation results of chest CT images.
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Acknowledgments
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2011-0023147).
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Chae, SH., Moon, HM., Chung, Y., Pan, S.B. (2014). Auto-configuration of the Initial Contour Using Level-Set Method for Lung Segmentation on Chest CT Images. In: Park, J., Zomaya, A., Jeong, HY., Obaidat, M. (eds) Frontier and Innovation in Future Computing and Communications. Lecture Notes in Electrical Engineering, vol 301. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-8798-7_78
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DOI: https://doi.org/10.1007/978-94-017-8798-7_78
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