Optimizing bone extraction in MR images for 3D/2D gradient based registration of MR and x-ray images. - Primoz Markelj; Dejan Tomazevic; Franjo Pernus; Bostjan Likar (Image Processing, 2007)

Robust 3-D/2-D registration of CT and MR to X-ray images based on gradient reconstruction. - Primoz Markelj; Dejan Tomazevic; Franjo Pernus; Bostjan Likar (Int. J. Comput. Assist. Radiol. Surg., 2008)

Robust Gradient-Based 3-D/2-D Registration of CT and MR to X-Ray Images. - Primoz Markelj; Dejan Tomazevic; Franjo Pernus; Bostjan Likar (IEEE Trans. Medical Imaging, 2008)

A tool for registration verification based on gradient correspondence. - Primoz Markelj; Franjo Pernus; Bostjan Likar (Image Processing, 2009)

Towards real-time 2D/3D registration for organ motion monitoring in image-guided radiation therapy. - Christelle Gendrin; Jakob Spoerk; Christoph Bloch; Supriyanto A. Pawiro; Christoph Weber; Michael Figl; Primoz Markelj; Franjo Pernus; Dietmar Georg; Helmar Bergmann; Wolfgang Birkfellner (Image-Guided Procedures, 2010)

A new gold-standard dataset for 2D/3D image registration evaluation. - Supriyanto A. Pawiro; Primoz Markelj; Christelle Gendrin; Michael Figl; Markus Stock; Christoph Bloch; Christoph Weber; Ewald Unger; Iris Nöbauer; Franz Kainberger; Helga Bergmeister; Dietmar Georg; et al. (Image-Guided Procedures, 2010)

A New Image Database for 3D/2D Registration Based on the Visible Human Data Set. - Primoz Markelj; Bostjan Likar; Franjo Pernus (WBIR, 2010)

Gradient-based 3D-2D registration of cerebral angiograms. - Uros Mitrovic; Primoz Markelj; Bostjan Likar; Zoran Milosevic; Franjo Pernus (Image Processing, 2011)

3D-2D registration of cerebral angiograms based on vessel directions and intensity gradients. - Uros Mitrovic; Ziga Spiclin; Darko Stern; Primoz Markelj; Bostjan Likar; Zoran Milosevic; Franjo Pernus (Image Processing, 2012)

A review of 3D/2D registration methods for image-guided interventions. - Primoz Markelj; Dejan Tomazevic; Bostjan Likar; Franjo Pernus (Medical Image Anal., 2012)