Validation of medical image processing in image-guided therapy

Clinical use of image-guided therapy (IGT) systems has grown, creating the need for a common and rigorous validation methodology, as reported in recent workshops and conferences. [1,2,3,4] One key characteristic of IGT systems is that they employ medical image processing methods (e.g. segmentation, registration, visualization, calibration). As a result of this intrinsic structure, validation of IGT systems should include both individual validation of these components, validation of the overall system and a study of how uncertainties propagate through the entire image guided therapy process. Significant progress has been made on IGT system validation recently. Today almost all peer-reviewed publications reporting on the development of new medical image processing methods include a validation section, but this was not always true in the past.

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