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Proceedings Paper

Real-time mosaicing of fetoscopic videos using SIFT
Author(s): Pankaj Daga; François Chadebecq; Dzhoshkun I. Shakir; Luis Carlos Garcia-Peraza Herrera; Marcel Tella; George Dwyer; Anna L. David; Jan Deprest; Danail Stoyanov; Tom Vercauteren; Sebastien Ourselin
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Paper Abstract

Fetoscopic laser photo-coagulation of the placental vascular anastomoses remains the most effective therapy for twin-to-twin transfusion syndrome (TTTS) in monochorionic twin pregnancies. However, to ensure the success of the intervention, complete photo-coagulation of all anastomoses is needed. This is made difficult by the limited field of view of the fetoscopic video guidance, which hinders the surgeon's ability to locate all the anastomoses. A potential solution to this problem is to expand the field of view of the placental surface by creating a mosaic from overlapping fetoscopic images. This mosaic can then be used for anastomoses localization and spatial orientation during surgery. However, this requires accurate and fast algorithms that can operate within the real-time constraints of fetal surgery. In this work, we present an image mosaicing framework that leverages the parallelism of modern GPUs and can process clinical fetoscopic images in real-time. Initial qualitative results on ex-vivo placental images indicate that the proposed framework can generate clinically useful mosaics from fetoscopic videos in real-time.

Paper Details

Date Published: 18 March 2016
PDF: 7 pages
Proc. SPIE 9786, Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling, 97861R (18 March 2016); doi: 10.1117/12.2217172
Show Author Affiliations
Pankaj Daga, Univ. College London (United Kingdom)
François Chadebecq, Univ. College London (United Kingdom)
Dzhoshkun I. Shakir, Univ. College London (United Kingdom)
Luis Carlos Garcia-Peraza Herrera, Univ. College London (United Kingdom)
Marcel Tella, Univ. College London (United Kingdom)
George Dwyer, Univ. College London (United Kingdom)
Anna L. David, Univ. College Hospital (United Kingdom)
Jan Deprest, Univ. Hospitals Leuven (Belgium)
Danail Stoyanov, Univ. College London (United Kingdom)
Tom Vercauteren, Univ. College London (United Kingdom)
Sebastien Ourselin, Univ. College London (United Kingdom)

Published in SPIE Proceedings Vol. 9786:
Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling
Robert J. Webster; Ziv R. Yaniv, Editor(s)

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