Copresence in Virtual Environments

Campos-Castillo, Celeste

doi:10.1111/j.1751-9020.2012.00467.x

Cited by 23 publications

(15 citation statements)

References 41 publications

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“…Additionally with a centralized virtual environment, we could investigate if there are standard environmental aesthetics that are required to maintain copresence. This aligns with Campos-Castillo et al's work [6] who state that the virtual environment's visual aesthetics also increase copresence. We could perform this same study with UCL in a WAN to obtain results in a realistic scenario.…”

Section: Discussionsupporting

confidence: 88%

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Resolutions and Network Latencies Concerning a Voxel Telepresence Experience

Park¹,

Regenbrecht²

2019

JSEA

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Recent advancements in computing research and technology will allow future immersive virtual reality systems to be voxel-based, i.e. entirely based on gap-less, spatial representations of volumetric pixels. The current popularity of pixel-based videoconferencing systems could turn into true telepresence experiences that are voxel-based. Richer, non-verbal communication will be possible thanks to the three-dimensional nature of such systems. An effective telepresence experience is based on the users' sense of copresence with others in the virtual environment and on a sense of embodiment. We investigate two main quality of service factors, namely voxel size and network latency, to identify acceptable threshold values for maintaining the copresence and embodiment experience. We present a working prototype implementation of a voxel-based telepresence system and can show that even a coarse 64 mm voxel size and an overall round-trip latency of 542 ms are sufficient to maintain copresence and embodiment experiences. We provide threshold values for noticeable, disruptive, and unbearable latencies that can serve as guidelines for future voxel and other telepresence systems.

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Section: Discussionsupporting

confidence: 88%

“…Charades task (5 -10 mins): After participants were introduced to the system, they were then asked to pick their first two Charades items for the first game 6 . The participants took alternating turns where they each acted their chosen Charade items for the other to guess.…”

Section: Methodsmentioning

confidence: 99%

Resolutions and Network Latencies Concerning a Voxel Telepresence Experience

Park¹,

Regenbrecht²

2019

JSEA

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“…In this way, VR is a valid tool for mirroring real social processes in the VE [10] and for studying social effects.…”

Section: Vr: a Medium For Social Interaction Studiesmentioning

confidence: 99%

“…We extracted the mean of the HR from the baseline and we extracted the mean of the HR from each block. Due to the inter-individual variability, we subtracted the mean of the baseline from the mean of the blocks 10 . Table 4 reports the descriptive results (means, standard deviations, and boxplots) of these physiological measurements.…”

Section: Fig 6: Interaction Effects Of Trial and Condition On Type Omentioning

confidence: 99%

Do Distant or Colocated Audiences Affect User Activity in VR?

Terrier

Martin

Lacoche

et al. 2020

Lecture Notes in Computer Science

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We explore the impact of distant or colocated real audiences on social inhibition through a user study in virtual reality (VR). The study investigates, in an application, the differences among two multiuser configurations (i.e., the local and distant conditions) and one control condition where the user is alone (i.e., the alone condition). In the local condition, a single user and a real audience share the same real room. Conversely, in the distant condition, the user and the audience are separated into two different real rooms. The user performed a categorization of numbers task in VR, for which the users' performance results (i.e., type and answering time) are extracted as subjective feelings and perceptions (i.e., perceptions of others, stress, cognitive workload, presence). The differences between the local and distant configurations are explored. Furthermore, we investigate any gender biases in the objective and subjective results. During the local and distant conditions, the presence of a real audience affects the user's performance due to social inhibition. The users are even more influenced when the audience does not share the same room, despite the audience being less directly perceived in this condition.

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“…Die zunehmende Virtualisierung in allen Bereichen der Kommunikation ermöglicht zum einen Kopräsenzen zwischen physisch entfernten Akteuren (Grabher/ Maintz 2007;Campos-Castillo 2012) sowie Kopräsenzen zwischen Akteuren und technologischen Artefakten wie beispielsweise elektronisch übertragene On-screen-Projektionen (Knorr Cetina 2009: 65 f.). Zum anderen sind virtuellen Kopräsenzen eigene Möglichkeiten und Grenzen der Kommunikation inhärent.…”

Section: Introductionunclassified

“Hägerstrand online”: A methodical template for the analysis of space-time trajectories in collaborations

Melchior

Schiemer

Grabher

2020

RuR

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Kurzfassung In der Wirtschaftsgeographie stieg in den letzten Jahren das Interesse an Fragen der Temporalität, wobei sowohl kurz- als auch längerfristige physische Interaktionskonstellationen in den Fokus rückten. Trotz der starken empirischen wie theoretischen Ausdifferenzierung physischer Kopräsenzen wurden zwei Aspekte bisher kaum ausreichend problematisiert: erstens das dichotome Verständnis physischer Kopräsenz (das sich auf die binäre Differenzierung von Abwesenheit und Anwesenheit reduziert) und zweitens die Konzeption virtueller Kopräsenz als eine defizitäre Version von Kommunikation (der das breite Spektrum sinnlicher Dimensionen von Face-to-face-Interaktionen fehlt). Zur Problematisierung dieser Aspekte von Kopräsenz reichern wir unsere geographische Argumentation mit Befunden aus benachbarten Disziplinen an und fokussieren die durch die Virtualisierung implizierten Veränderungen der Kommunikationskontexte. Hierbei stellen insbesondere die komplexen Verflechtungen von Offline- und Online-Interaktionen die etablierten geographischen Zugänge vor methodische und konzeptionelle Herausforderungen. Zur Bewältigung dieser Herausforderungen wird eine Erweiterung des zeitgeographischen Modells von Torsten Hägerstrand um eine virtuelle Dimension vorgeschlagen. Ziel unserer Erweiterung ist es, raumzeitliche Beschränkungen kollaborativer Prozesse sowohl in physischen als auch in virtuellen Kontexten sowie in (physisch-virtuellen) synthetischen Situationen empirisch erfassbar und vergleichbar zu machen. Unsere methodisch-konzeptionelle Erweiterung der Zeitgeographie illustrieren wir mit empirischen Vignetten kollaborativer Prozesse aus den Feldern Kunst (Musikproduktion im Studio) und Wissenschaft (Pharmaforschung im Labor).

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Copresence in Virtual Environments

Cited by 23 publications

References 41 publications

Resolutions and Network Latencies Concerning a Voxel Telepresence Experience

Resolutions and Network Latencies Concerning a Voxel Telepresence Experience

Do Distant or Colocated Audiences Affect User Activity in VR?

“Hägerstrand online”: A methodical template for the analysis of space-time trajectories in collaborations

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