{"id":2346,"date":"2024-02-25T16:19:27","date_gmt":"2024-02-25T16:19:27","guid":{"rendered":"https:\/\/labs.cs.queensu.ca\/perklab\/members\/aidan-baksh\/"},"modified":"2024-02-25T16:19:27","modified_gmt":"2024-02-25T16:19:27","slug":"aidan-baksh","status":"publish","type":"qsc_member","link":"https:\/\/labs.cs.queensu.ca\/perklab\/members\/aidan-baksh\/","title":{"rendered":"Aidan Baksh"},"content":{"rendered":"
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Aidan Baksh<\/h1>\n<\/div>\n
Visiting Researcher<\/div>\n
School of Computing<\/div>\n
Queen’s University<\/div>\n
Member from 2015<\/em> to 2016<\/em><\/div>\n
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\n\tSummer high school intern working at the Perk Lab from July 2015 to August 2016.
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Harish, Vinyas; Baksh, A; Ungi, Tamas; Lasso, Andras; Baum, Zachary M C; Gauvin, G; Engel, C. Jay; Rudan, John; Fichtinger, Gabor<\/p>

Measurement of electromagnetic tracking error in a navigated breast surgery setup<\/a> Conference<\/span> <\/p>

SPIE Medical Imaging 2016, <\/span>vol. 9786, <\/span>SPIE Medical Imaging <\/span>SPIE Medical Imaging, <\/span>San Diego, CA, United States, Feb. 29, 2016, <\/span>2016<\/span>.<\/p>

Abstract<\/a><\/span> | Links<\/a><\/span> | BibTeX<\/a><\/span><\/p>

@conference{Harish2016a,
\r\ntitle = {Measurement of electromagnetic tracking error in a navigated breast surgery setup},
\r\nauthor = {Vinyas Harish and A Baksh and Tamas Ungi and Andras Lasso and Zachary M C Baum and G Gauvin and C. Jay Engel and John Rudan and Gabor Fichtinger},
\r\nurl = {https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Harish2016a.pdf},
\r\nyear  = {2016},
\r\ndate = {2016-01-01},
\r\nurldate = {2016-01-01},
\r\nbooktitle = {SPIE Medical Imaging 2016},
\r\nvolume = {9786},
\r\npublisher = {SPIE Medical Imaging},
\r\naddress = {San Diego, CA, United States, Feb. 29, 2016},
\r\norganization = {SPIE Medical Imaging},
\r\nabstract = {<p>The measurement of tracking error is crucial to ensure the safety and feasibility of electromagnetically tracked, image-guided procedures. Measurement should occur in a clinical environment because electromagnetic field distortion depends on positioning relative to the field generator and metal objects. However, we could not find an accessible and open-source system for calibration, error measurement, and visualization. We developed such a system and tested it in a navigated breast surgery setup.A pointer tool was designed for concurrent electromagnetic and optical tracking. Software modules were developed for automatic calibration of the measurement system, real-time error visualization, and analysis. The system was taken to an operating room to test for field distortion in a navigated breast surgery setup. Positional and rotational electromagnetic tracking errors were then calculated using optical tracking as a ground truth. Our system is quick to set up and can be rapidly deployed. The process from calibration to visualization also only takes a few minutes. Field distortion was measured in the presence of various surgical equipment. Positional and rotational error in a clean field was approximately 0.90 mm and 0.31\u00b0. The presence of a surgical table, an electrosurgical cautery, and anesthesia machine increased the error by up to a few tenths of a millimetre and tenth of a degree.In a navigated breast surgery setup, measurement and visualization of tracking error defines a safe working area in the presence of surgical equipment. Our system is available as an extension for the open-source 3D Slicer platform.<\/p>},
\r\nkeywords = {},
\r\npubstate = {published},
\r\ntppubtype = {conference}
\r\n}
\r\n<\/pre><\/div>
Close<\/a><\/p><\/div>
<p>The measurement of tracking error is crucial to ensure the safety and feasibility of electromagnetically tracked, image-guided procedures. Measurement should occur in a clinical environment because electromagnetic field distortion depends on positioning relative to the field generator and metal objects. However, we could not find an accessible and open-source system for calibration, error measurement, and visualization. We developed such a system and tested it in a navigated breast surgery setup.A pointer tool was designed for concurrent electromagnetic and optical tracking. Software modules were developed for automatic calibration of the measurement system, real-time error visualization, and analysis. The system was taken to an operating room to test for field distortion in a navigated breast surgery setup. Positional and rotational electromagnetic tracking errors were then calculated using optical tracking as a ground truth. Our system is quick to set up and can be rapidly deployed. The process from calibration to visualization also only takes a few minutes. Field distortion was measured in the presence of various surgical equipment. Positional and rotational error in a clean field was approximately 0.90 mm and 0.31\u00b0. The presence of a surgical table, an electrosurgical cautery, and anesthesia machine increased the error by up to a few tenths of a millimetre and tenth of a degree.In a navigated breast surgery setup, measurement and visualization of tracking error defines a safe working area in the presence of surgical equipment. Our system is available as an extension for the open-source 3D Slicer platform.<\/p><\/div>
Close<\/a><\/p><\/div>