{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T13:55:06Z","timestamp":1791640506204,"version":"4.3.4"},"reference-count":61,"publisher":"IOP Publishing","issue":"5","license":[{"start":{"date-parts":[[2015,2,6]],"date-time":"2015-02-06T00:00:00Z","timestamp":1423180800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/iop-standard\/v1"},{"start":{"date-parts":[[2015,2,6]],"date-time":"2015-02-06T00:00:00Z","timestamp":1423180800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["Phys. Med. Biol."],"published-print":{"date-parts":[[2015,3,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>It is crucial in high intensity focused ultrasound (HIFU) therapy to detect the tumor precisely with less manual intervention for enhancing the therapy efficiency. Ultrasound image segmentation becomes a difficult task due to signal attenuation, speckle effect and shadows. This paper presents an unsupervised approach based on texture and boundary encoding customized for ultrasound image segmentation in HIFU therapy. The approach oversegments the ultrasound image into some small regions, which are merged by using the principle of minimum description length (MDL) afterwards. Small regions belonging to the same tumor are clustered as they preserve similar texture features. The mergence is completed by obtaining the shortest coding length from encoding textures and boundaries of these regions in the clustering process. The tumor region is finally selected from merged regions by a proposed algorithm without manual interaction. The performance of the method is tested on 50 uterine fibroid ultrasound images from HIFU guiding transducers. The segmentations are compared with manual delineations to verify its feasibility. The quantitative evaluation with HIFU images shows that the mean true positive of the approach is 93.53%, the mean false positive is 4.06%, the mean similarity is 89.92%, the mean norm Hausdorff distance is 3.62% and the mean norm maximum average distance is 0.57%. The experiments validate that the proposed method can achieve favorable segmentation without manual initialization and effectively handle the poor quality of the ultrasound guidance image in HIFU therapy, which indicates that the approach is applicable in HIFU therapy.<\/jats:p>","DOI":"10.1088\/0031-9155\/60\/5\/1807","type":"journal-article","created":{"date-parts":[[2015,2,6]],"date-time":"2015-02-06T10:13:27Z","timestamp":1423217607000},"page":"1807-1830","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":9,"title":["Segmentation of tumor ultrasound image in HIFU therapy based on texture and boundary encoding"],"prefix":"10.1088","volume":"60","author":[{"given":"Dong","family":"Zhang","sequence":"first","affiliation":[{"name":"School of Physics and Technology, Wuhan University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Menglong","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Physics and Technology, Wuhan University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Long","family":"Quan","sequence":"additional","affiliation":[{"name":"School of Physics and Technology, Wuhan University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Physics and Technology, Wuhan University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qianqing","family":"Qin","sequence":"additional","affiliation":[{"name":"Wuhan University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenbin","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Ultrasonic Image, Pu Ai Hospital of Wuhan City"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2015,2,6]]},"reference":[{"key":"pmb507924bib001","article-title":"Slic superpixels","author":"Achanta","year":"2010","type":"report"},{"key":"pmb507924bib002","doi-asserted-by":"publisher","first-page":"81","DOI":"10.1007\/s10851-007-0015-8","type":"journal-article","article-title":"Texture-oriented anisotropic filtering and geodesic active contours in breast tumour ultrasound segmentation","volume":"28","author":"Alem\u00e1n-Flores","year":"2007","journal-title":"J. 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