Wide field of view optical combiner for augmented reality head-up displays

Okumura, Hajime; Hotta, Akitoshi; Sasaki, Takashi; Horiuchi, Kazuo; Okada, Naotada

doi:10.1109/icce.2018.8326064

Cited by 16 publications

(10 citation statements)

References 3 publications

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“…Such architecture improves the user experience and brings new concepts of use like Augmented Reality [8]. The use of Transparent Holographic Optical Elements is a promising way to improve the performance of current HUDs, specially the WHUD, which integrates the windshield in their optical architecture [9]. But it requires a specific layer embedded inside the glass, increasing the cost of this piece.…”

Section: Discussionmentioning

confidence: 99%

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55‐3: Holographic Grating to Improve the Efficiency of Windshield HUD

Coni

Bardon

Damamme

et al. 2018

Symp Digest of Tech Papers

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A Windshield Head-Up Display (WHUD) using an embedded optical thin film to improve the system efficiency is presented. Most of today's WHUDs, including the most advanced devices, use the windshield as a simple half-mirror, so that the main part of the optical flow is not reflected toward the eye-box. Even with recent work, aiming to increase the optical efficiency of the Picture Generating Unit, or the set of mirrors or light-guides, reflectance efficiency is not greater than 20%. Experiments performed on the first prototype using Transparent Holographic Optical Components show an optical efficiency of 85%. This result will open the way for a more compact green product device (with a huge reduction in power consumption). 55-3 / P. Coni SID 2018 DIGEST • 729ISSN 0097-996X/18/4702-0729-$1.00 © 2018 SID 55-3 / P. Coni

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Section: Discussionmentioning

confidence: 99%

“…It needs a specific and expensive windshield, increasing the cost of the system. An intermediate approach is to integrate in the windshield the optical function of a concave mirror, as presented by Okumura et al in paper [9]. This will result in wider field-ofview capability for the HUD within a constrained space envelope.…”

Section: -3 / P Conimentioning

confidence: 99%

55‐3: Holographic Grating to Improve the Efficiency of Windshield HUD

Coni

Bardon

Damamme

et al. 2018

Symp Digest of Tech Papers

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“…). Previous work has indicated that the small-estate AR projections through HUDs might confuse drivers' as they attempt in real-time to mentally position the small HUD information to the reallife and scale environment [27,29]. This human-machine collaboration could improve the speed of the vehicle whilst able to identify potential collision obstacles and occurrences.…”

Section: Proposed Solution: Ar/ai Systemmentioning

confidence: 99%

Improving Emergency Vehicles’ Response Times with the Use of Augmented Reality and Artificial Intelligence

Bram-Larbi

Charissis

Khan

et al. 2020

HCI International 2020 – Late Breaking Papers: Digital Human Modeling and Ergonomics, Mobility and Intelligent Environments

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The rapid mobilization of Emergency Services (ES) could be particularly challenging for ES drivers and staff that have to navigate and manoeuvre through various traffic and weather conditions. Driving, in high speeds through dense traffic is a particularly demanding psychomotor task for the ES drivers and could result in collisions and even fatalities. Current attempts to support the driver and reduce the potential driving hazards had limited success. The paper presents the design rationale of a prototype system that utilises Augmented Reality (AR) in the form of a Head-Up Display (HUD) to superimpose guidance information in the real-life environment. The paper will discuss also the requirements for an Artificial Intelligence (AI) system that could analyse the driving conditions and present the best manoeuvring options whilst maintain the road users' safety. Finally, the paper presents the requirements' framework for the development of the proposed AR/AI system based on the feedback and suggestions of ten ES drivers. Their feedback will be presented and discussed in detail as it provided essential insight into the everyday challenges of ES operations.

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“…C. A full-windshield HUD interface could provide real-time AR visualisation of the proposed AI routes, supporting further the driver's decision-making process [7,29,30]. An early prototype HUD based on the information provided by both ES and civilian vehicles' drivers is illustrated in Figure 5.…”

Section: Ar Hud Design Frameworkmentioning

confidence: 99%

Collision Avoidance Head-Up Display: Design Considerations for Emergency Services’ Vehicles

Bram-Larbi

Charissis

Khan

et al. 2020

2020 IEEE International Conference on Consumer Electronics (ICCE)

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Emergency Services' (ES) vehicles primary objective is to attend accident or other incident scenes in a fast, safe and efficient manner. Yet this task is becoming increasingly difficult due to the increasing population and the plethora of emergency cases. These factors affect directly the traffic both within the urban and the rural environment, decreasing dramatically the time to arrive at the point of interest. Numerous Head-Down Display (HDD) systems have populated the dashboard area of the ES vehicles in order to tackle this issue, with limited success. To this end, the development of emerging technologies in both computing and telecommunications have enabled modern vehicular systems to assist drivers in their decision-making process. Head-Up Displays (HUD) present a combinatory approach of the aforementioned technologies, which present crucial information to the driver through Augmented Reality (AR) projection. In order to develop a design and development framework for the utilisation of AR and HUD technology, this paper presents the results of 50 drivers investigation related to their activities during immobile or slow-moving traffic which results in driver's distraction and inability to respond to the incoming ES vehicles. In turn, the paper discusses these results and offers an overview of the Human-Machine Interface requirements for a prototype HUD aiming to assist the safety, speed and manoeuvrability of the ES vehicles.

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Wide field of view optical combiner for augmented reality head-up displays

Cited by 16 publications

References 3 publications

55‐3: Holographic Grating to Improve the Efficiency of Windshield HUD

55‐3: Holographic Grating to Improve the Efficiency of Windshield HUD

Improving Emergency Vehicles’ Response Times with the Use of Augmented Reality and Artificial Intelligence

Collision Avoidance Head-Up Display: Design Considerations for Emergency Services’ Vehicles

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