{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T19:13:29Z","timestamp":1775848409742,"version":"3.50.1"},"reference-count":20,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2008,1,29]],"date-time":"2008-01-29T00:00:00Z","timestamp":1201564800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Robotics Computer Surgery"],"published-print":{"date-parts":[[2008,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Ultrasound\u2010based registration to 3D surfaces segmented from MR imaging is proposed as a non\u2010invasive alternative to point\u2010based registration for image\u2010guided surgery. By relying upon diagnostic MR imaging, the expense of additional CT imaging (and exposure to radiation) is avoided. The technique would enable navigation in arthroscopic and other minimally invasive procedures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Optically tracked registrations using point\u2010based and ultrasound\u2010based methods to MR and CT imaging volumes for two cadaveric specimens were acquired and analysed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The average RMS distance between fiducials was 0.27 mm for CT and 0.72 mm for MR utilizing point\u2010based registration. The average RMS distance for ultrasound\u2010based registration to CT was 0.59 mm and 0.76 mm to MR. The RMS distance for fiducials co\u2010located in MR and CT imaging volumes was 0.74 mm. The end\u2010to\u2010end error of ultrasound registration to MR imaging was 2.98 mm, as compared to 1.65 mm for CT.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Ultrasound registration to MR imaging data is a viable non\u2010invasive alternative to point\u2010based registration. Copyright \u00a9 2008 John Wiley &amp; Sons, Ltd.<\/jats:p><\/jats:sec>","DOI":"10.1002\/rcs.170","type":"journal-article","created":{"date-parts":[[2008,1,29]],"date-time":"2008-01-29T12:16:58Z","timestamp":1201609018000},"page":"51-57","source":"Crossref","is-referenced-by-count":1,"title":["Accuracy of ultrasound to MR registration of the knee"],"prefix":"10.1002","volume":"4","author":[{"given":"PE","family":"Murtha","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N","family":"Watterson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C","family":"Nikou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B","family":"Jaramaz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2008,1,29]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiomech.2005.10.009"},{"key":"e_1_2_1_3_2","unstructured":"MartelliS ZaffagniniS IaconoF et al.Application of KIN\u2010Nav system forin vivokinematic evaluations during uni\u2010compartmental knee reconstruction. 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