scholarly journals Gap Affordance Judgments in Mixed Reality: Testing the Role of Display Weight and Field of View

2021 ◽  
Vol 2 ◽  
Author(s):  
Holly C. Gagnon ◽  
Yu Zhao ◽  
Matthew Richardson ◽  
Grant D. Pointon ◽  
Jeanine K. Stefanucci ◽  
...  
Keyword(s):  
Real World ◽  
Mixed Reality ◽  
Field Of View ◽  
The Real ◽  
Factors Associated ◽  
Reality Testing ◽  
Action Capabilities ◽  
Two Factors ◽  
Step Over

Measures of perceived affordances—judgments of action capabilities—are an objective way to assess whether users perceive mediated environments similarly to the real world. Previous studies suggest that judgments of stepping over a virtual gap using augmented reality (AR) are underestimated relative to judgments of real-world gaps, which are generally overestimated. Across three experiments, we investigated whether two factors associated with AR devices contributed to the observed underestimation: weight and field of view (FOV). In the first experiment, observers judged whether they could step over virtual gaps while wearing the HoloLens (virtual gaps) or not (real-world gaps). The second experiment tested whether weight contributes to underestimation of perceived affordances by having participants wear the HoloLens during judgments of both virtual and real gaps. We replicated the effect of underestimation of step capabilities in AR as compared to the real world in both Experiments 1 and 2. The third experiment tested whether FOV influenced judgments by simulating a narrow (similar to the HoloLens) FOV in virtual reality (VR). Judgments made with a reduced FOV were compared to judgments made with the wider FOV of the HTC Vive Pro. The results showed relative underestimation of judgments of stepping over gaps in narrow vs. wide FOV VR. Taken together, the results suggest that there is little influence of weight of the HoloLens on perceived affordances for stepping, but that the reduced FOV of the HoloLens may contribute to the underestimation of stepping affordances observed in AR.

Real-world environment affects the color appearance of virtual stimuli produced by augmented reality

2019 ◽  
Vol 2019 (1) ◽  
pp. 237-242
Author(s):  
Siyuan Chen ◽  
Minchen Wei
Keyword(s):  
Augmented Reality ◽  
Real World ◽  
Mixed Reality ◽  
Rapid Development ◽  
Light Level ◽  
Color Appearance ◽  
Chromatic Adaptation ◽  
Lighting Condition ◽  
The Real ◽  
World Environment

Color appearance models have been extensively studied for characterizing and predicting the perceived color appearance of physical color stimuli under different viewing conditions. These stimuli are either surface colors reflecting illumination or self-luminous emitting radiations. With the rapid development of augmented reality (AR) and mixed reality (MR), it is critically important to understand how the color appearance of the objects that are produced by AR and MR are perceived, especially when these objects are overlaid on the real world. In this study, nine lighting conditions, with different correlated color temperature (CCT) levels and light levels, were created in a real-world environment. Under each lighting condition, human observers adjusted the color appearance of a virtual stimulus, which was overlaid on a real-world luminous environment, until it appeared the whitest. It was found that the CCT and light level of the real-world environment significantly affected the color appearance of the white stimulus, especially when the light level was high. Moreover, a lower degree of chromatic adaptation was found for viewing the virtual stimulus that was overlaid on the real world.

scholarly journals Movement Around Real and Virtual Cluttered Environments

2005 ◽  
Vol 14 (5) ◽  
pp. 580-596 ◽  
Author(s):  
Simon Lessels ◽  
Roy A. Ruddle
Keyword(s):  
Real World ◽  
Search Task ◽  
Scale Space ◽  
Visual Scene ◽  
Field Of View ◽  
Small Scale ◽  
High Fidelity ◽  
Cluttered Environments ◽  
The Real ◽  
Desktop Virtual Environment

Two experiments investigated participants' ability to search for targets in a cluttered small-scale space. The first experiment was conducted in the real world with two field of view conditions (full vs. restricted), and participants found the task trivial to perform in both. The second experiment used the same search task but was conducted in a desktop virtual environment (VE), and investigated two movement interfaces and two visual scene conditions. Participants restricted to forward only movement performed the search task quicker and more efficiently (visiting fewer targets) than those who used an interface that allowed more flexible movement (forward, backward, left, right, and diagonal). Also, participants using a high fidelity visual scene performed the task significantly quicker and more efficiently than those who used a low fidelity scene. The performance differences among all the conditions decreased with practice, but the performance of the best VE group approached that of the real-world participants. These results indicate the importance of using high fidelity scenes in VEs, and suggest that the use of a simple control system is sufficient for maintaining one's spatial orientation during searching.

PERAN KAP DALAM IMPLEMENTASI KURIKULUM KAMPUS MERDEKA

account ◽  
2020 ◽  
Vol 7 (2) ◽  
Author(s):  
Imanta Tarigan ◽  
Ali Masjono Muchtar
Keyword(s):  
Qualitative Research ◽  
Real World ◽  
Dominant Role ◽  
Group Discussion ◽  
The Real ◽  
Result Show

PERAN KAP DALAM IMPLEMENTASI KURIKULUM KAMPUS MERDEKA Imanta Tarigan [email protected] [email protected] Joachim Poltak Lian & RekanAli Masjono [email protected] Jurusan akutansi PNJ ABSTRACTThis qualitative research base on KAP Joachim Poltak Lian & Rekan experiences inconducting internship program with PNJ. The objective of the article is identify of probability ofexpanding internship program with PNJ by not only KAP but also other type of industries and also to identify the role of KAP in supporting Kampus Merdeka Curriculum. The result show, KAP plays a dominant role in supporting internship program where KAP has already started the supporting many students to learn and experiencing the real world. The curriculum has already support the need of KAP therefore, this link is possible to be expanded. Keywords: KAP Joachim Poltak Lian & Rekan, Internship, Kampus Merdeka, Kurikulum ABSTRAKArtikel ini merupakan hasil kajian dari pengalaman KAP Joachim Poltak Lian & Rekan danPoliteknik Negeri Jakarta dalam menjalankan program magang bagi mahasiswa. Tujuan dari kajian ini adalah untuk mengidentifikasi kemungkinan industri untuk berperan dalam implementasikurikulum kampus merdeka. Kajian ini dibuat dengan menggunakan metodologi kualitatip, dimana dalam pengolahannya melibatkan pihak KAP, PNJ, mahasiswa yang terlibat program magang yang dilakukan dalam satu fokus group discussion. Data dikumpulkan dari berbagai media dan sumber sumber resmi dari kementrian pendidikan dan kebudayaan dan diolah dengan menggunakan metode compare, contras dan sintesis. Hasilnya menyimpulkan bahwa kerja sama antara KAP dan PNJ telah mempelopori implementasi kurikulum kampus merdeka dan telah memberi manfaat bagi KAP, mahasiswa dan PNJ. Kata kunci: KAP Joachim Poltak Lian & Rekan, Internship, Kampus Merdeka, Currikulum

scholarly journals Metazoa Ludens: Mixed Reality Environment for Playing Computer Games with Pets

2006 ◽  
Vol 5 (3) ◽  
pp. 53-58 ◽  
Author(s):  
Roger K. C. Tan ◽  
Adrian David Cheok ◽  
James K. S. Teh
Keyword(s):  
Real World ◽  
Computer Games ◽  
Virtual World ◽  
Mixed Reality ◽  
Leisure Activities ◽  
Computer Game ◽  
Technological Advancement ◽  
The Real ◽  
Computer Mediated ◽  
Pet Owner

For better or worse, technological advancement has changed the world to the extent that at a professional level demands from the working executive required more hours either in the office or on business trips, on a social level the population (especially the younger generation) are glued to the computer either playing video games or surfing the internet. Traditional leisure activities, especially interaction with pets have been neglected or forgotten. This paper introduces Metazoa Ludens, a new computer mediated gaming system which allows pets to play new mixed reality computer games with humans via custom built technologies and applications. During the game-play the real pet chases after a physical movable bait in the real world within a predefined area; infra-red camera tracks the pets' movements and translates them into the virtual world of the system, corresponding them to the movement of a virtual pet avatar running after a virtual human avatar. The human player plays the game by controlling the human avatar's movements in the virtual world, this in turn relates to the movements of the physical movable bait in the real world which moves as the human avatar does. This unique way of playing computer game would give rise to a whole new way of mixed reality interaction between the pet owner and her pet thereby bringing technology and its influence on leisure and social activities to the next level

scholarly journals The role of indexical cues in the distributional learning of phonetic categories.

2020 ◽  
Author(s):  
Carla L. Hudson Kam
Keyword(s):  
Real World ◽  
Speech Sounds ◽  
The Real ◽  
Distributional Learning ◽  
Distributional Cues ◽  
Phonetic Categories

Theories of the distributional learning of phonetic categories assume that input provides reliable distributional cues for the categorization of speech sounds. In the real world, however, not all talkers produce exactly the same distributions of speech sounds, and the talker-dependent variation may undermine the reliability of the distributional cues. In this study, we investigated how learners might overcome talker-dependent variation. Specifically, we tested whether adults can learn two phonetic categories from input in which talker-dependent variation introduces potential ambiguities into the categorization of speech sounds. The results suggest that they can overcome this kind of ambiguity by using indexical information (i.e., the identity of talkers).

scholarly journals The Ethics of Regulation

2010 ◽  
Vol 3 (2) ◽  
pp. 1-8
Author(s):  
David Antoni ◽  
Freddy Leal
Keyword(s):  
Real World ◽  
Regulatory Environment ◽  
Trade Off ◽  
The Real ◽  
Ideal World ◽  
Effi Ciency ◽  
Self Interest ◽  
Main Factors ◽  
Regulatory Intervention

Regulations are often imposed in order to correct any failures in the market, whether the failure is a result of the functioning of a market or the behaviour of a government. However, every regulatory intervention br ings up a question: How ethical is the regulation? Even if a regulatory intervention could achieve more effici ency or more equity, it may not mean that it is ethi cal. The concept of ethics is ne cessarily subjective, it is based on the morals and standards of a society. Yet even though a society may be concerned about ethics, the issues of equity and altrui sm matter as does the way in which firms produce and seek to rationally an d efficiently maximize profit. Defining ethics is a difficul t issue, and defining ethical regu lation is even more difficult. Any form of regulation is a tool for interv ention used to balanc e the trade-off between efficiency and equity to create harmony between a market or economy and the society it functions within. In an ideal world, any go vernment intervention implemented would be for the greater benefit of all. However, this does not always happen in the vicissitudes of the real world when governments regulate an d intervene in markets, which are, in turn, based on the principle of rational self-interest and efficiency. In this paper we discuss the role of society in market regu lation. The discussion will focus on the importance of society on ethics and therefore on what constitutes ethical regulations. In fact we argue that equity, effi ciency or even failures are not the main factors to consider when regulating. It is society that defines ethics and how society understands ethics influences the regulatory environment

Using Unmanned Aerial Vehicles to Deliver Medical and Emergency Supplies to Remote Areas

2019 ◽  
pp. 137-168 ◽  
Author(s):  
Isaac Levi Henderson ◽  
Savern L. Reweti ◽  
Robyn Kamira
Keyword(s):  
New Zealand ◽  
Unmanned Aerial Vehicles ◽  
Real World ◽  
Regulatory Framework ◽  
Unmanned Aircraft ◽  
Community Impact ◽  
The Real ◽  
Remote Areas ◽  
Aerial Vehicles

This chapter examines the role of unmanned aerial vehicles (UAVs) in the delivery of medical and emergency supplies to remote areas. It outlines a number of potential considerations for operators wishing to use UAVs to deliver medical and emergency supplies to remote areas. These considerations address a number of practicalities in terms of the organisation that is wishing to conduct such operations, the operations themselves, and the technology that is used for such operations. These considerations primarily stem from the nature of the international regulatory framework for unmanned aircraft operations and the peculiarities of using a UAV to deliver medical and emergency supplies. The chapter will outline some of the practicalities that have been worked through or are being worked through during a project to deliver medical and emergency supplies in Northland, New Zealand. This will provide readers with examples of some of the real-world considerations that operators face as well as outline the positive community impact that such operations can provide.

6. The components of slang

2016 ◽  
pp. 83-93
Author(s):  
Jonathon Green
Keyword(s):  
Real World ◽  
Standard English ◽  
The Real

‘The components of slang’ outlines the forms and etymological roots of slang and considers how the terms are validated. Slang offers no forms unique to itself. It borrows much of its lexis from standard English and employs similar methods of constructing it. The simplest, and most popular use is in varieties of combining, whether as phrases, compounds, or derivatives. Slang offers many agglomerations and it seems that once a pattern is accepted, all suggested combinations are justifiable. The role of synonymity within slang could be seen as a means of avoiding the real world by conjuring up an infinity of parallel terms or better ways of burrowing deeper inside it.

Defending Discontinuity

2020 ◽  
pp. 102-133
Author(s):  
Jonathan Gilmore
Keyword(s):  
Experimental Study ◽  
Real World ◽  
Moral Character ◽  
Framing Effects ◽  
Prima Facie ◽  
The Real ◽  
Works Of Art ◽  
Continuity And Discontinuity

This chapter introduces and diagnoses the inadequacy of two prima facie plausible, but ultimately inadequate, arguments for the discontinuity thesis based on framing effects. The chapter then develops and defends a more powerful argument in discontinuity’s favor based on the functions of fictions. The chapter also looks at what turns on the debate between continuity and discontinuity, i.e., what consequences its resolution on the side of discontinuity has for the experimental study of the emotions; the role of responses to works of art as evidence of moral character; and the putatively edifying value of engaging with fictions in educating and refining attitudes about the real world.

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