FIRE: an open-software suite for real-time 2D/3D image registration for image guided radiotherapy research

H. Furtado; C. Gendrin; J. Spoerk; E. Steiner; T. Underwood; T. Kuenzler; D. Georg; W. Birkfellner

doi:10.1117/12.2216082

21 March 2016 FIRE: an open-software suite for real-time 2D/3D image registration for image guided radiotherapy research

H. Furtado, C. Gendrin, J. Spoerk, E. Steiner, T. Underwood, T. Kuenzler, D. Georg, W. Birkfellner

Author Affiliations +

Proceedings Volume 9784, Medical Imaging 2016: Image Processing; 978449 (2016) https://doi.org/10.1117/12.2216082
Event: SPIE Medical Imaging, 2016, San Diego, California, United States

Abstract

Radiotherapy treatments have changed at a tremendously rapid pace. Dose delivered to the tumor has escalated while organs at risk (OARs) are better spared. The impact of moving tumors during dose delivery has become higher due to very steep dose gradients. Intra-fractional tumor motion has to be managed adequately to reduce errors in dose delivery. For tumors with large motion such as tumors in the lung, tracking is an approach that can reduce position uncertainty. Tumor tracking approaches range from purely image intensity based techniques to motion estimation based on surrogate tracking. Research efforts are often based on custom designed software platforms which take too much time and effort to develop. To address this challenge we have developed an open software platform especially focusing on tumor motion management. FLIRT is a freely available open-source software platform. The core method for tumor tracking is purely intensity based 2D/3D registration. The platform is written in C++ using the Qt framework for the user interface. The performance critical methods are implemented on the graphics processor using the CUDA extension. One registration can be as fast as 90ms (11Hz). This is suitable to track tumors moving due to respiration (~0.3Hz) or heartbeat (~1Hz). Apart from focusing on high performance, the platform is designed to be flexible and easy to use. Current use cases range from tracking feasibility studies, patient positioning and method validation. Such a framework has the potential of enabling the research community to rapidly perform patient studies or try new methods.

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H. Furtado, C. Gendrin, J. Spoerk, E. Steiner, T. Underwood, T. Kuenzler, D. Georg, and W. Birkfellner "FIRE: an open-software suite for real-time 2D/3D image registration for image guided radiotherapy research", Proc. SPIE 9784, Medical Imaging 2016: Image Processing, 978449 (21 March 2016); https://doi.org/10.1117/12.2216082

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