Effect of Icon Density and Color Contrast on Users' Visual Perception in Human Computer Interaction

摘要

One of the challenges today in human-computer interaction is to design user interfaces that are not only appealing to users but also efficiency. Our general objective in this present study was to investigate the effects of the icon density, color contrast and luminance difference on the interaction between users and user interfaces. We conducted two experimental studies, focusing on one specific perceptual feature: user interface design. The first study investigated the effects of the icon density on users' visual identification. Based on the results of the study, we believed that the number of the icons should not be more than 25 in one area, and for small number of the icons, the inter-element spacing should be more than 1/2 icon, which would make users easier to identify them. The second study investigated the effects of chromaticity contrast and luminance contrast on icon perception. Based on the results, we proposed that high color contrast could enhance the efficiency of icon identification and the value of icon-background Michelson contrast should be more than 0.3, but less than 0.5.