Anomaly detection in displaysOptimizing color coding for visual search

University essay from Uppsala universitet/Institutionen för informationsteknologi

Author: Sita Vriend; [2020]

Keywords: ;

Abstract: When monitoring complex physical processes, an operator often needs to make quick decisions based on real-time information. Theinformation - often dynamic - can comprise many variables that need to be observed simultaneously. Graphical displays have perceptual properties that allow observers to quickly and accurately detect information and to observe the relationship between the many variables. This thesis implemented and examined chromatic perceptual properties of an integral display. Two color-coded integral displays were designed: one integral display with all states color coded(ID4), and one integral display color coded the dominant state (ID1).Two experiments compared the color-coded integral displays with a configural coordinate display: the first experiment examined static displays in which participants were tasked to identify a unique,known state; the second experiment examined dynamic displays with the unique state unknown to the participants. Both experiments revealed that the color-coded integral displays were more efficient than the configural coordinate display; the integral display with the dominant state color-coded was most efficient. Thus a color-coded integral display allows many variables to be observed simultaneously with high efficiency.

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