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A Hybrid Method for Pancreas Extraction from CT Image Based on Level Set Methods
المؤلفون المشاركون
Tan, Hanqing
Fujita, Hiroshi
Jiang, Huiyan
المصدر
Computational and Mathematical Methods in Medicine
العدد
المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-13، 13ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2013-08-26
دولة النشر
مصر
عدد الصفحات
13
التخصصات الرئيسية
الملخص EN
This paper proposes a novel semiautomatic method to extract the pancreas from abdominal CT images.
Traditional level set and region growing methods that request locating initial contour near the final boundary of object have problem of leakage to nearby tissues of pancreas region.
The proposed method consists of a customized fast-marching level set method which generates an optimal initial pancreas region to solve the problem that the level set method is sensitive to the initial contour location and a modified distance regularized level set method which extracts accurate pancreas.
The novelty in our method is the proper selection and combination of level set methods, furthermore an energy-decrement algorithm and an energy-tune algorithm are proposed to reduce the negative impact of bonding force caused by connected tissue whose intensity is similar with pancreas.
As a result, our method overcomes the shortages of oversegmentation at weak boundary and can accurately extract pancreas from CT images.
The proposed method is compared to other five state-of-the-art medical image segmentation methods based on a CT image dataset which contains abdominal images from 10 patients.
The evaluated results demonstrate that our method outperforms other methods by achieving higher accuracy and making less false segmentation in pancreas extraction.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Jiang, Huiyan& Tan, Hanqing& Fujita, Hiroshi. 2013. A Hybrid Method for Pancreas Extraction from CT Image Based on Level Set Methods. Computational and Mathematical Methods in Medicine،Vol. 2013, no. 2013, pp.1-13.
https://search.emarefa.net/detail/BIM-474823
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Jiang, Huiyan…[et al.]. A Hybrid Method for Pancreas Extraction from CT Image Based on Level Set Methods. Computational and Mathematical Methods in Medicine No. 2013 (2013), pp.1-13.
https://search.emarefa.net/detail/BIM-474823
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Jiang, Huiyan& Tan, Hanqing& Fujita, Hiroshi. A Hybrid Method for Pancreas Extraction from CT Image Based on Level Set Methods. Computational and Mathematical Methods in Medicine. 2013. Vol. 2013, no. 2013, pp.1-13.
https://search.emarefa.net/detail/BIM-474823
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-474823
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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