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Cognitive perception of complex scenes in the process of eye tracking studies DOI:10.15199/13.2018.10.1


  Present-day fast-growing fields of modern computer science that analyses neuro-physiological aspects of the human brain allow to carry out multidisciplinary studies in the fields, such as, for example: cognitive science. It is an extremely interesting and modern area of study that explores the human mind and, in particular, the ways of modelling and working of cognitive senses [1-3]. Cognitive science covers several areas such as computer science, artificial intelligence, psychology, philosophy and neurobiology. The main task of cognitive science is to examine various mental processes such as perception, consciousness, communication, reasoning. It tries to answer a difficult question, namely how the mechanisms of human brain work. These studies are in a large part carried out to develop methods of artificial intelligence and discover mechanisms of psychology for perception and recognition of images. The development of techniques that allow to deepen knowledge on the human body and ways it functions created a demand for analysing and determining the form of perceiving external stimuli by the human visual apparatus. Eye tracking (oculography) is the method of measuring eye movement, used in psychology, medicine, ergonomics, human-computer interaction or marketing [6, 10]. There are three primary groups of devices for measuring human eye movement. They differ in the way of data extraction with regard to eye tracking of examined person. They involve: ● Eye-trackers, based on gaze overlay that is placed on the user’s eyeball, usually it is a lens which contains additional devices such as reflection or search coil. The way the study is conducted guarantees accuracy of results as the lens follows the movement of the eyeball. However, this method is invasive which is its drawback. ● Eye-trackers, that consist of optical devices. Emitted infrared light reflects off of the eyeball and returns to the camera (where it[...]

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