Abstract
This study aimed to evaluate the effectiveness of peripheral vision in reading digital speed limit information displayed in Augmented Reality Head-Up Display (AR-HUD) technology. In particular, the experiment investigated whether the larger display area and expanded access provided by AR technology in the HUD could improve the efficiency of peripheral vision in reading FHWA Series F font used in U.S. highway signs. Thirty participants aged 19 to 39 were recruited for a simulated driving video experiment. Stimulus numbers were set at the speed limit for urban roads and viewing angles of 20° left, 10° left, 10° right, 20° right, and 5° (above the fovea). The results indicate that peripheral vision can conditionally perceive and read digital speed limit information. However, this ability depends on the angular size and eccentricity of the stimulus height. Our study findings suggest that adjusting the information size, font spacing, and peripheral vision angle can improve the peripheral vision reading of digital speed limit information displayed by AR-HUD.
Keywords
eccentricity; peripheral vision; digital speed limit information; AR heads-up display (AR-HUD)
DOI
https://doi.org/10.21606/iasdr.2023.117
Citation
Huang, S.,and Ho, C.(2023) Investigating the effectiveness of Peripheral Vision in reading digital speed limit information displayed in AR-HUD technology, in De Sainz Molestina, D., Galluzzo, L., Rizzo, F., Spallazzo, D. (eds.), IASDR 2023: Life-Changing Design, 9-13 October, Milan, Italy. https://doi.org/10.21606/iasdr.2023.117
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Investigating the effectiveness of Peripheral Vision in reading digital speed limit information displayed in AR-HUD technology
This study aimed to evaluate the effectiveness of peripheral vision in reading digital speed limit information displayed in Augmented Reality Head-Up Display (AR-HUD) technology. In particular, the experiment investigated whether the larger display area and expanded access provided by AR technology in the HUD could improve the efficiency of peripheral vision in reading FHWA Series F font used in U.S. highway signs. Thirty participants aged 19 to 39 were recruited for a simulated driving video experiment. Stimulus numbers were set at the speed limit for urban roads and viewing angles of 20° left, 10° left, 10° right, 20° right, and 5° (above the fovea). The results indicate that peripheral vision can conditionally perceive and read digital speed limit information. However, this ability depends on the angular size and eccentricity of the stimulus height. Our study findings suggest that adjusting the information size, font spacing, and peripheral vision angle can improve the peripheral vision reading of digital speed limit information displayed by AR-HUD.