Direct three-dimensional ultrasound-to-video registration using photoacoustic markers

Alexis Cheng, Jin U. Kang, Russell H Taylor, Emad Boctor

Research output: Contribution to journalArticle

Abstract

Modern surgical procedures often have a fusion of video and other imaging modalities to provide the surgeon with information support. This requires interventional guidance equipment and surgical navigation systems to register different tools and devices together, such as stereoscopic endoscopes and ultrasound (US) transducers. In this work, the focus is specifically on the registration between these two devices. Electromagnetic and optical trackers are typically used to acquire this registration, but they have various drawbacks typically leading to target registration errors (TRE) of approximately 3 mm. We introduce photoacoustic markers for direct three-dimensional (3-D) US-to-video registration. The feasibility of this method was demonstrated on synthetic and ex vivo porcine liver, kidney, and fat phantoms with an air-coupled laser and a motorized 3-D US probe. The resulting TRE for each experiment ranged from 380 to 850 μm with standard deviations ranging from 150 to 450 μm. We also discuss a roadmap to bring this system into the surgical setting and possible challenges along the way.

Original languageEnglish (US)
Article number66013
JournalJournal of Biomedical Optics
Volume18
Issue number6
DOIs
StatePublished - 2013

Fingerprint

Photoacoustic effect
markers
Surgical Equipment
Ultrasonics
surgeons
Equipment and Supplies
endoscopes
Endoscopes
Electromagnetic Phenomena
fats
registers
kidneys
Transducers
navigation
liver
standard deviation
transducers
Lasers
Endoscopy
Swine

Keywords

  • clinical ultrasound
  • oncology applications
  • optical imaging
  • photoacoustic imaging
  • planning and image guidance of interventions
  • video registration

ASJC Scopus subject areas

  • Biomedical Engineering
  • Biomaterials
  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Medicine(all)

Cite this

Direct three-dimensional ultrasound-to-video registration using photoacoustic markers. / Cheng, Alexis; Kang, Jin U.; Taylor, Russell H; Boctor, Emad.

In: Journal of Biomedical Optics, Vol. 18, No. 6, 66013, 2013.

Research output: Contribution to journalArticle

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