Dervinis, D., G. Daunys, and N. Ramanauskas. “3D Head Orientation Estimation and Expression Influence Minimization Using Characteristic Points of Face”. Elektronika ir Elektrotechnika 86, no. 6 (July 22, 2008): 47-50. Accessed November 23, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/11182.