Retinal projection head-mounted display

Lin, Junguo; Cheng, Dewen; Yao, Chuanhao; Wang, Yongtian

doi:10.1007/s12200-016-0662-8

Cited by 31 publications

(9 citation statements)

References 16 publications

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“…While the first approach is mainly used for rendering only virtual images [7], the second one is more suitable for AR purposes since the free-form mirror can be semi-transparent to make both real and virtual elements visible. Several other Maxwellian-based configurations and more devices layout have also been proposed in the literature, and, for more details, the reader is referred to Lin et al's survey [26].…”

Section: What Are Retinal Projection Displays?mentioning

confidence: 99%

Can Retinal Projection Displays Improve Spatial Perception in Augmented Reality?

Peillard

Itoh

Moreau

et al. 2020

2020 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)

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Section: What Are Retinal Projection Displays?mentioning

confidence: 99%

Can Retinal Projection Displays Improve Spatial Perception in Augmented Reality?

Peillard

Itoh

Moreau

et al. 2020

2020 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)

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“…The scanning is done using mirrors based on microelectromechanical systems (MEMS). They can also be used in retinal projection and holographic displays [45][46][47]. In retinal projection, the power requirement is substantially lower since the light is projected directly to the eyes at eye-safe levels.…”

Section: Displays Augmented and Virtual Realitymentioning

confidence: 99%

Visible‐Light Laser Diodes and Superluminescent Diodes: Characteristics and Applications

Alkhazragi

Holguín‐Lerma

et al. 2021

Digital Encyclopedia of Applied Physics

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Semiconductor light sources technology has seen tremendous strides in recent decades and a rapidly increasing interest in it. The unique advantages and characteristics of this form of light generation include compactness, high efficiency, and reliability. With these recent advancements, light-emitting diodes (LEDs), laser diodes, and superluminescent diodes (SLDs) have become an indispensable part of our homes, factories, and research facilities. In particular, the sensitivity of the human eye to the visible range of the electromagnetic spectrum ranging from 400 to 700 nm and the wavelength-dependence of optical characteristics of materials make visible light required for a plethora of applications ranging from displays for entertainment, to imaging in the medical field, to light-based atomic clocks. While LEDs are the most commonly found type of semiconductor light sources, laser diodes and SLDs are of special interest due to their higher output optical power, spectral purity, and coherence. In this tutorial, we first go over the main unique characteristics of the different types and configurations of visible-light laser diodes and SLDs and their general structures with a focus on their advantages compared to LEDs. We then discuss the applications in which these characteristics are of great interest in the fields of displays, communication, instrumentation, and photonic integrated circuits.

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“…While the principle could frighten readers at first glance, it should be mentioned that the eyes of the wearer remain safe, even after being exposed for several hours [74]. Even better, the technology doesn't tire the eyes as much as a conventional HMD [94]. Several prototypes (e.g.…”

Section: See-through Ar Displaysmentioning

confidence: 99%

Merging real and virtual worlds: An analysis of the state of the art and practical evaluation of Microsoft Hololens

Coppens

2017

Preprint

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Faculty of Sciences Department of Computing ScienceMaster in Computer Science Merging real and virtual worlds: An analysis of the state of the art and practical evaluation of Microsoft Hololensby Adrien COPPENS Achieving a symbiotic blending between reality and virtuality is a dream that has been lying in the minds of many people for a long time. Advances in various domains constantly bring us closer to making that dream come true. Augmented reality as well as virtual reality are in fact trending terms and are expected to further progress in the years to come. This master's thesis aims to explore these areas and starts by defining necessary terms such as augmented reality (AR) or virtual reality (VR). Usual taxonomies to classify and compare the corresponding experiences are then discussed.In order to enable those applications, many technical challenges need to be tackled, such as accurate motion tracking with 6 degrees of freedom (positional and rotational), that is necessary for compelling experiences and to prevent user sickness. Additionally, augmented reality experiences typically rely on image processing to position the superimposed content. To do so, "paper" markers or features extracted from the environment are often employed. Both sets of techniques are explored and common solutions and algorithms are presented.After investigating those technical aspects, I carry out an objective comparison of the existing state-of-the-art and state-of-the-practice in those domains, and I discuss present and potential applications in these areas. As a practical validation, I present the results of an application that I have developed using Microsoft HoloLens, one of the more advanced affordable technologies for augmented reality that is available today. Based on the experience and lessons learned during this development, I discuss the limitations of current technologies and present some avenues of future research.

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Retinal projection head-mounted display

Cited by 31 publications

References 16 publications

Can Retinal Projection Displays Improve Spatial Perception in Augmented Reality?

Can Retinal Projection Displays Improve Spatial Perception in Augmented Reality?

Visible‐Light Laser Diodes and Superluminescent Diodes: Characteristics and Applications

Merging real and virtual worlds: An analysis of the state of the art and practical evaluation of Microsoft Hololens

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