{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,1,13]],"date-time":"2025-01-13T01:10:02Z","timestamp":1736730602208,"version":"3.32.0"},"reference-count":33,"publisher":"World Scientific Pub Co Pte Ltd","issue":"04","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Human. Robot."],"published-print":{"date-parts":[[2006,12]]},"abstract":"<jats:p>The development of prostate biopsy robotics can make biopsies both automatic and accurate. However, intervention from urologists is still needed to define the location of biopsy cores. With the aid of magnetic resonance imaging (MRI) and magnetic resonance spectroscopy imaging (MRSI) diagnosis information obtained pre-operationally, it is possible to guide the biopsy needle towards those sites where cancer is suspected, thereby achieving higher detection rates. In this paper, a deformable image registration method is presented for the purpose of merging MRI\/MRSI and transrectal ultrasound (TRUS) images. Given the poor quality of ultrasound (US) images and the deformation occurring across modalites, a thin-plate spline transformation is used to match the prostate surfaces and thereafter their volumes. A deformable prostate phantom that simulates the condition in humans was also set up for validation purposes. Fifteen fiducial markers were implanted inside the phantom prostate to act as the reference of \"ground truth.\" The phantom study shows that our method can achieve an accuracy around 1.28 \u00b1 0.50 mm, with voxel dimensions of 0.5 \u00d7 0.5 \u00d7 0.5 mm<jats:sup>3<\/jats:sup>. This result is promising since none of the knowledge about the interior prostate is utilized in the algorithm. Experimental results on patient data are also presented.<\/jats:p>","DOI":"10.1142\/s0219843606000874","type":"journal-article","created":{"date-parts":[[2007,1,16]],"date-time":"2007-01-16T16:28:04Z","timestamp":1168964884000},"page":"499-522","source":"Crossref","is-referenced-by-count":1,"title":["INTEGRATING MRI AND MRSI INFORMATION INTO TRUS-GUIDED ROBOTIC PROSTATE BIOPSY"],"prefix":"10.1142","volume":"03","author":[{"given":"WEI","family":"SHAO","sequence":"first","affiliation":[{"name":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"RUOYUN","family":"WU","sequence":"additional","affiliation":[{"name":"Clinical Research Unit, Tan Tock Seng Hospital, Singapore"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"CHOON HUA","family":"THNG","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Imaging, National Cancer Centre, Singapore"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"KECK VOON","family":"LING","sequence":"additional","affiliation":[{"name":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"WAN SING","family":"NG","sequence":"additional","affiliation":[{"name":"School of Mechanical &amp; Aerospace Engineering, Nanyang Technological University, Singapore"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2011,11,20]]},"reference":[{"key":"rf1","doi-asserted-by":"publisher","DOI":"10.3322\/canjclin.55.1.10"},{"key":"rf2","doi-asserted-by":"crossref","first-page":"71","DOI":"10.1016\/S0022-5347(17)38664-0","volume":"142","author":"Hodge K. 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