Optimizing HUD-EVS Readability: Effects of Hue, Saturation and Lightness on Information Recognition

Enhanced Vision System (EVS) offers a display advantage that conventional devices lack, enabling interface information to be overlaid on real-world imagery. However, information overload, especially in complex environments, can reduce the recognizability of important information and impair decision-...

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Bibliographic Details
Main Author: Xuyi Qiu
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Multimodal Technologies and Interaction
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Online Access:https://www.mdpi.com/2414-4088/9/5/46
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Summary:Enhanced Vision System (EVS) offers a display advantage that conventional devices lack, enabling interface information to be overlaid on real-world imagery. However, information overload, especially in complex environments, can reduce the recognizability of important information and impair decision-making. This study investigates a dual color-coding strategy to optimize the recognizability of Primary Information (PI) and Secondary Information (SI) in Head-Up Display–Enhanced Vision System (HUD-EVS) against complex backgrounds. The results show that adjusting the hue, saturation, and lightness of SI affects the recognizability of both PI and SI. Specifically, certain saturation (20% or 80%) and lightness (60%) combinations should be avoided to ensure PI prominence and maintain sufficient recognizability for SI. These findings provide insights for designing color-coding strategies for EVS, enhancing the recognizability of information on mobile devices.
ISSN:2414-4088