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However, conventional edge detectors cannot faithfully detect the contour of the tongue body, and the initialization of ACM suffers from the edge discontinuity problem. To address these issues, we proposed a novel tongue body segmentation method, GaborFM, which initializes ACM by performing fast marching over the two-dimensional (2D) Gabor magnitude domain of the tongue images. For the enhancement of the contour of the tongue body, we used the 2D Gabor magnitude-based detector. To cope with the edge discontinuity problem, the fast marching method was utilized to connect the discontinuous contour segments, resulting in a closed and continuous tongue body contour for subsequent ACM-based segmentation. Qualitative and quantitative results showed that GaborFM is superior to the other methods for tongue body segmentation.<\/jats:p>","DOI":"10.1186\/1687-6180-2013-190","type":"journal-article","created":{"date-parts":[[2013,12,26]],"date-time":"2013-12-26T10:00:51Z","timestamp":1388052051000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Fast marching over the 2D Gabor magnitude domain for tongue body segmentation"],"prefix":"10.1186","volume":"2013","author":[{"given":"Zhenchao","family":"Cui","sequence":"first","affiliation":[]},{"given":"Hongzhi","family":"Zhang","sequence":"additional","affiliation":[]},{"given":"David","family":"Zhang","sequence":"additional","affiliation":[]},{"given":"Naimin","family":"Li","sequence":"additional","affiliation":[]},{"given":"Wangmeng","family":"Zuo","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2013,12,26]]},"reference":[{"issue":"2","key":"573_CR1","doi-asserted-by":"publisher","first-page":"199","DOI":"10.1109\/42.563665","volume":"16","author":"A Yezzi","year":"1997","unstructured":"Yezzi A, Kichenassamy S, Kumar A, Olver P, Tannenbaum A: A geometric snake model for segmentation of medical imagery. 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