Real-time mosaicing of fetoscopic videos using SIFT

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

doi:10.1117/12.2217172

18 March 2016 Real-time mosaicing of fetoscopic videos using SIFT

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

Author Affiliations +

Proceedings Volume 9786, Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling; 97861R (2016) https://doi.org/10.1117/12.2217172
Event: SPIE Medical Imaging, 2016, San Diego, California, United States

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.

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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, and Sebastien Ourselin "Real-time mosaicing of fetoscopic videos using SIFT", Proc. SPIE 9786, Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling, 97861R (18 March 2016); https://doi.org/10.1117/12.2217172

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