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Opt. Express"],"published-print":{"date-parts":[[2023,7,1]]},"abstract":"<jats:p>\n                    We introduce a novel system for geometrically accurate, continuous, live, volumetric middle ear optical coherence tomography imaging over a 10.9\n                    <jats:italic>m<\/jats:italic>\n                    <jats:italic>m<\/jats:italic>\n                    \u00d730\n                    <jats:sup>\u2218<\/jats:sup>\n                    \u00d730\n                    <jats:sup>\u2218<\/jats:sup>\n                    field of view (FOV) from a handheld imaging probe. The system employs a discretized spiral scanning (DC-SC) pattern to rapidly collect volumetric data and applies real-time scan conversion and lateral angular distortion correction to reduce geometric inaccuracies to below the system\u2019s lateral resolution over 92% of the FOV. We validate the geometric accuracy of the resulting images through comparison with co-registered micro-computed tomography (micro-CT) volumes of a phantom target and a cadaveric middle ear. The system\u2019s real-time volumetric imaging capabilities are assessed by imaging the ear of a healthy subject while performing dynamic pressurization of the middle ear in a Valsalva maneuver.\n                  <\/jats:p>","DOI":"10.1364\/boe.488845","type":"journal-article","created":{"date-parts":[[2023,5,22]],"date-time":"2023-05-22T03:00:05Z","timestamp":1684724405000},"page":"3152","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Geometrically accurate real-time volumetric visualization of the middle ear using optical coherence tomography"],"prefix":"10.1364","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9010-0819","authenticated-orcid":true,"given":"Joshua D.","family":"Farrell","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01e6qks80","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3001-8055","authenticated-orcid":true,"given":"Junzhe","family":"Wang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01e6qks80","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dan","family":"MacDougall","sequence":"additional","affiliation":[{"name":"Audioptics Medical Incorporated"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaojie","family":"Yang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01e6qks80","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7973-0126","authenticated-orcid":true,"given":"Kimberly","family":"Brewer","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01e6qks80","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Dalhousie University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Floor","family":"Couvreur","sequence":"additional","affiliation":[{"name":"Dalhousie University"},{"name":"AZ Sint-Jan\u2019s Hospital,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nael","family":"Shoman","sequence":"additional","affiliation":[{"name":"Dalhousie University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David P","family":"Morris","sequence":"additional","affiliation":[{"name":"Dalhousie University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert B. 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