{"id":97,"date":"2006-12-01T07:00:54","date_gmt":"2006-12-01T12:00:54","guid":{"rendered":"https:\/\/blogs.mathworks.com\/steve\/?p=97"},"modified":"2021-10-28T11:42:28","modified_gmt":"2021-10-28T15:42:28","slug":"3-d-blood-vessel-tracing","status":"publish","type":"post","link":"https:\/\/blogs.mathworks.com\/steve\/2006\/12\/01\/3-d-blood-vessel-tracing\/","title":{"rendered":"3-D blood vessel tracing"},"content":{"rendered":"<p>\r\nWe had a visitor from Harvard Medical School and Massachusetts General Hospital here at <a href=\"http:\/\/maps.google.com\/maps?f=q&hl=en&ie=UTF8&z=18&ll=42.300433,-71.350874&spn=0.002666,0.006056&t=h&om=1&iwloc=addr\" target=\"_blank\">MathWorks headquarters<\/a> in November.  Alex Tyrrell is a postdoctoral fellow at the Edwin Steele Laboratory there. Alex gave a presentation in which he showed some fascinating videos, created using MATLAB, of a three-dimensional automatic blood vessel tracing technique using a \"superellipsoidal model.\" Here's the first frame of a <a href=\"https:\/\/blogs.mathworks.com\/images\/steve\/97\/trace.gif\" target=\"_blank\">sample video<\/a> that Alex made:\r\n<\/p>\r\n\r\n<p>\r\n<a href=\"https:\/\/blogs.mathworks.com\/images\/steve\/97\/trace.gif\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/blogs.mathworks.com\/images\/steve\/97\/trace_frame1.gif\"><\/a>\r\n<\/p>\r\n\r\n<p>\r\nThe technique is described in:\r\n<\/p>\r\n\r\n<blockquote>\r\n<a title=\"http:\/\/ieeexplore.ieee.org\/search\/srchabstract.jsp?arnumber=1624883&isnumber=34114&punumber=10818&k2dockey=1624883@ieeecnfs&query=%28tyrrell+j.+a.%3Cin%3Eau%29&pos=1 (broken)\">Tyrrell, Roysam, di Tomaso,  Tong,  Brown, and Jain, \"Robust 3-D modeling of tumor microvasculature using superellipsoids,\" 3rd IEEE International Symposium on Biomedical Imaging: Macro to Nano, 2006.<\/a>\r\n<\/blockquote>\r\n\r\n<p>\r\nIt's fascinating stuff.  Thanks, Alex.\r\n<\/p>\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>\r\nWe had a visitor from Harvard Medical School and Massachusetts General Hospital here at MathWorks headquarters in November.  Alex Tyrrell is a postdoctoral fellow at the Edwin Steele Laboratory... <a class=\"read-more\" href=\"https:\/\/blogs.mathworks.com\/steve\/2006\/12\/01\/3-d-blood-vessel-tracing\/\">read more >><\/a><\/p>","protected":false},"author":42,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/steve\/wp-json\/wp\/v2\/posts\/97"}],"collection":[{"href":"https:\/\/blogs.mathworks.com\/steve\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.mathworks.com\/steve\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/steve\/wp-json\/wp\/v2\/users\/42"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/steve\/wp-json\/wp\/v2\/comments?post=97"}],"version-history":[{"count":1,"href":"https:\/\/blogs.mathworks.com\/steve\/wp-json\/wp\/v2\/posts\/97\/revisions"}],"predecessor-version":[{"id":5025,"href":"https:\/\/blogs.mathworks.com\/steve\/wp-json\/wp\/v2\/posts\/97\/revisions\/5025"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/steve\/wp-json\/wp\/v2\/media?parent=97"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/steve\/wp-json\/wp\/v2\/categories?post=97"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/steve\/wp-json\/wp\/v2\/tags?post=97"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}