2016
DOI: 10.3233/thc-161208
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A modified fuzzy C-means method for segmenting MR images using non-local information

Abstract: Abstract. BACKGROUND:In recent years, MR images have been increasingly used in therapeutic applications such as image-guided radiotherapy (IGRT). However, images with low contrast values and noises present challenges for image segmentation. OBJECTIVE: The objective of this study is to develop a robust method based on fuzzy C-means (FCM) method which can segment MR images polluted with Gaussian noise. METHODS: A modified FCM algorithm accommodating non-local pixel information via Hausdorff distance was develope… Show more

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Cited by 9 publications
(9 citation statements)
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“…Conventionally, the distance between each gray‐level pixel‐valued scalar xi and the centroid value scalar vk is defined by Euclid distance. In a previous study, we found that a Hausdorff distance based FCM (HFCM) is useful to segment MR images . In HFCM, Euclid distance was replaced with Hausdorff distance:false‖pipjH=maxfalsesuppiAfalseinfpjBfalse|pjpifalse|,falsesuppjBfalseinfpiAfalse|pipjfalse|,where A=pifalse|piA and B=pjfalse|pjB are two non‐empty pixel subsets with pixel pi or pj located at the center [Fig.…”
Section: Methodsmentioning
confidence: 99%
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“…Conventionally, the distance between each gray‐level pixel‐valued scalar xi and the centroid value scalar vk is defined by Euclid distance. In a previous study, we found that a Hausdorff distance based FCM (HFCM) is useful to segment MR images . In HFCM, Euclid distance was replaced with Hausdorff distance:false‖pipjH=maxfalsesuppiAfalseinfpjBfalse|pjpifalse|,falsesuppjBfalseinfpiAfalse|pipjfalse|,where A=pifalse|piA and B=pjfalse|pjB are two non‐empty pixel subsets with pixel pi or pj located at the center [Fig.…”
Section: Methodsmentioning
confidence: 99%
“…In a previous study, we found that a Hausdorff distance based FCM (HFCM) is useful to segment MR images. 29 In HFCM, Euclid distance was replaced with Hausdorff distance:…”
Section: A Euclid and Hausdorff Distance Based Fcmmentioning
confidence: 99%
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“…Enhanced systems approach can improve the ability of the ambiguity of the system dealing with uncertainty, Zadeh [1] ambiguity extent of the problem in the concept of fuzzy sets proposed had mentioned the collection of a fuzzy set extension, given the set membership the degree of blurring value, so that the collection descriptions are more ambiguity, this extension of fuzzy set is called type-2 fuzzy sets. Mendel J M presented two complete systems approach based on fuzzy type-2 fuzzy sets on that type-2 fuzzy systems have broader application prospects [2].…”
Section: Introductionmentioning
confidence: 99%