Methods to Estimate Areas and Perimeters of Blob-like Objects: a Comparison. - Luren Yang; Fritz Albregtsen; Tor Lønnestad; Per Grøttum (MVA, 1994)

A Supervised Approach to the Evaluation of Image Segmentation Methods. - Luren Yang; Fritz Albregtsen; Tor Lønnestad; Per Grøttum (CAIP, 1995)

Can ECG Recordings and Mathematics tell the Condition of Your Heart? - Bjørn Fredrik Nielsen; Marius Lysaker; Per Grøttum; Kent-André Mardal; Aslak Tveito; Christian Tarrou; Kristina Hermann Haugaa; Andreas Abildgaard; Jan Gunnar Fjeld (Simula Research Laboratory, 2010)

Computing Ischemic Regions in the Heart With the Bidomain Model - First Steps Towards Validation. - Bjørn Fredrik Nielsen; Ola Marius Lysaker; Per Grottum (IEEE Trans. Medical Imaging, 2013)