Simultaneous triple-registration of ictal SPECT, interictal SPECT and MR images for epilepsy studies: Method and validation. - Erkan U. Mumcuoglu; Fatih Nar; Yasemin Yardimci; Umut Koçak; Eser Lay Ergun; Bilge Volkan; Omer Ugur; Belkis Erbas (EUSIPCO, 2005)

Dynamic deformation using adaptable, linked asynchronous FEM regions. - Umut Koçak; Karljohan E. Lundin Palmerius; Matthew Cooper 001 (SCCG, 2009)

Analysis of the JND of Stiffness in Three Modes of Comparison. - Umut Koçak; Karljohan E. Lundin Palmerius; Camilla Forsell; Anders Ynnerman; Matthew Cooper 001 (HAID, 2011)

The Effect of the Stiffness Gradient on the Just Noticeable Difference between Surface Regions. - Umut Koçak; Karljohan E. Lundin Palmerius; Camilla Forsell; Matthew Cooper 001 (EuroHaptics (1), 2012)

Anisotropic virtual coupling with energy-based deflection for palpating inhomogeneous compliant objects. - Umut Koçak; Karljohan E. Lundin Palmerius; Matthew Cooper 001 (World Haptics, 2013)