Gaze Tracking Applied to Image Indexing

Abstract

SynonymsDetecting the gaze of people; Gaze tracking techniques; Gaze tracking systemsDefinitionDetecting and tracking the gaze of people looking at images to determine regions of interest and their importance. The regions of interest are used in indexing and retrieval.IntroductionThe analysis of gaze has been studied for over a century in several disciplines, including physiology, psychology, psychoanalysis, and cognitive sciences. The purpose is to analyze eye saccades and fixations of persons watching a given scene, in order to extract several kinds of information. With the recent development of low-cost gaze tracker devices, the possibility of taking advantage of the information conveyed in gaze has opened many research directions, namely in image compression – where users’ gaze is used to set variable compression ratios at different places in an image, in marketing – for detecting products of interest for customers, civil security – for detecting drows ...