“…Additionally, fourteen case-based topics were provided. Based on research that had demonstrated the improvements in early precision obtained in filtering out images of non-relevant modalities [2], a modality classification sub-task was added in 2010. The goal of this subtask was to classify an image into one of 8 classes (computed tomography, magnetic resonance imaging, nuclear medicine, positron emission tomography, ultrasound, x-ray, optical and graphics).…”