Requirements and System Aspects of AR-Head-Up Displays

Blankenbach, Karlheinz

doi:10.1109/mce.2019.2923936

Cited by 15 publications

(8 citation statements)

References 9 publications

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“…The goal of AR-HUD is to display safety and driving-related virtual content aligned and displayed at the same distance as the actual driving environment, thereby supplementing information [1]. It enables drivers to perceive both the target object of information and the information itself during driving, providing a safer driving experience.…”

Section: Future Ar-hud Requirementsmentioning

confidence: 99%

“…A larger FoV allows for more diverse information to be displayed, providing the driver with more guidance and situational awareness. For example, it has been proposed that 20°x20° is required for lane guidance and overtaking guidance on highways, and 60°x40° is required for signboards and pedestrian paths in cities [1]. However, due to the limited space in the vehicle cockpit, it is difficult to accommodate a wide FoV.…”

Section: Large Field Of View (Fov)mentioning

confidence: 99%

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34‐1: Invited Paper: Future AR‐HUD System

Han,

Yang,

Yoon

et al. 2023

Symp Digest of Tech Papers

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The automotive head‐up display (HUD) was introduced by General Motors in 1988 to prevent driver distraction. Augmented reality (AR) technology has made the HUD more attractive for ADAS visualization, with the ability to overlay driving and sensed information on the road. Early versions of AR‐HUD products have limited functionality due to conventional optic technology and a limited perception of the environment. Future AR‐HUD will require a large field of view, multiplane capability, real‐time sensor fusion and correction, and an embedded system implementation. This paper reviews the future enabling technologies and reference implementations for AR‐HUD.

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Section: Future Ar-hud Requirementsmentioning

confidence: 99%

Section: Large Field Of View (Fov)mentioning

confidence: 99%

34‐1: Invited Paper: Future AR‐HUD System

Han,

Yang,

Yoon

et al. 2023

Symp Digest of Tech Papers

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“…virtual A-pillars) to eliminate forward blind spots [8], and utilizing the windscreen area to display placeand object-related content on points of interest in the surrounding area with the help of augmented reality (AR) technology (a.k.a. AR head-up displays (AR-HUDs)) [9,10,20].…”

Section: Future Use Casesmentioning

confidence: 99%

Improving Functional Safety of Automotive Video Data Transmission and Processing Systems

Conrad¹,

Langner²,

Axmann³

et al. 2021

JASEN

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As of today, automotive video data transmission and processing systems are already being developed according to ISO 26262, but safety mechanisms and safety architectures for such systems are individually derived on a case-by-case basis. This approach, i.e., reinventing the wheel, over and over again, is neither effective nor well suited for future use cases with system variants and varying system components from multiple suppliers. Further, existing safety mechanisms for video data transmission and processing systems fall short of providing a full "light-to-light" monitoring. To reduce this gap, this paper proposes a generic safety architecture and a method to derive suitable safety mechanisms for automotive video data transmission and processing systems. In addition, enhanced safety mechanisms to detect and indicate faults in such systems are outlined. These contributions to improve the functional safety of automotive video data transmission and processing systems have been devised in a joint research project involving an automotive OEM and multiple industrial and academic partners.

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“…This is achievable with holographic methods but in total still too small for real augmentation of urban traffic scenarios. Those require at least 60° by 40° (see [2]). This is as well the motivation to search for alternatives to HUD for in-car augmentation (overview see [3]); Figure 1 provides an overview of approaches for augmented reality in cars including brief statements on merits and shortcomings:…”

Section: Introductionmentioning

confidence: 99%

RGB LED matrix display for augmented driving for higher traffic safety

Blankenbach¹,

Eisenhardt

Brezing³

et al. 2023

Advances in Display Technologies XIII

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Augmentation in manually driven vehicles can raise traffic safety significantly. The most ergonomic (eyes-on-the-road, no refocusing) solution is AR-HUD but the FOV is limited today to 10° by 5°. Transparent displays in the windshield (eyes-on-the-road, refocusing required) are costly (replacement) and hardly meet legal requirements for transparency. The cheapest solution is video-AR on dashboard displays (eyes-off-the-road, refocusing required). We report on a new approach for augmentation as compromise between ergonomics and cost: An eight-line RGB matrix display to be mounted on top of the dashboard at the bottom of the windshield. It spreads from pillar-to-pillar (150 cm, 150 x 8 pixel, RGB LED) and therefore enables augmented information along the whole windshield. In consequence, it needs less eyes-off-the road and refocusing and is a very ergonomic add-on for video-AR. We started with a single line pixelated light guide in a seating buck to measure and to evaluate the required luminance (⪆3,300 cd/m²), RGB luminance ratio (35:50:15) and perception of information from night to blinding sunlight. We optimized the RGB LED display by testing and measuring various diffusers at different distances to the LEDs for an optimum combination of sharpness and pixelation. Image quality and content such as the visualization of actual speed (including color-coding), warnings (e.g. slippery), navigation, and comfort functions (e.g. incoming call, beat mode) were evaluated by subjects via online survey and in our seating buck. The display was rated as being very helpful with significantly reduction in time for grasping the information.

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Requirements and System Aspects of AR-Head-Up Displays

Cited by 15 publications

References 9 publications

34‐1: Invited Paper: Future AR‐HUD System

34‐1: Invited Paper: Future AR‐HUD System

Improving Functional Safety of Automotive Video Data Transmission and Processing Systems

RGB LED matrix display for augmented driving for higher traffic safety

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