1.
Richards, Kendra; Mahalanobis, Nikhil; Kim, Kangsoo; Schubert, Ryan; Lee, Myungho; Daher, Salam; Norouzi, Nahal; Hochreiter, Jason; Bruder, Gerd; Welch, Gregory
ACM Symposium on Spatial User Interaction (SUI), no. 3, 2019, ISBN: 978-1-4503-6975-6/19/10.
@conference{richards2019analysis,
title = {Analysis of Peripheral Vision and Vibrotactile Feedback During Proximal Search Tasks with Dynamic Virtual Entities in Augmented Reality},
author = {Kendra Richards and Nikhil Mahalanobis and Kangsoo Kim and Ryan Schubert and Myungho Lee and Salam Daher and Nahal Norouzi and Jason Hochreiter and Gerd Bruder and Gregory Welch},
url = {https://dl.acm.org/doi/10.1145/3357251.3357585},
doi = {10.1145/3357251.3357585},
isbn = {978-1-4503-6975-6/19/10},
year = {2019},
date = {2019-10-19},
urldate = {2019-10-19},
booktitle = {ACM Symposium on Spatial User Interaction (SUI)},
number = {3},
pages = {1-9},
abstract = {A primary goal of augmented reality (AR) is to seamlessly embed virtual content into a real environment. There are many factors that can affect the perceived physicality and co-presence of virtual entities, including the hardware capabilities, the fidelity of the virtual behaviors, and sensory feedback associated with the interactions. In this paper, we present a study investigating participants’ perceptions and behaviors during a time-limited search task in close proximity with virtual entities in AR. In particular, we analyze the effects of (i) visual conflicts in the periphery of an optical see-through head-mounted display, a Microsoft HoloLens, (ii) overall lighting in the physical environment, and (iii) multimodal feedback based on vibrotactile transducers mounted on a physical platform. Our results show significant benefits of vibrotactile feedback and reduced peripheral lighting for spatial and social presence, and engagement. We discuss implications of these effects for AR applications.},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
A primary goal of augmented reality (AR) is to seamlessly embed virtual content into a real environment. There are many factors that can affect the perceived physicality and co-presence of virtual entities, including the hardware capabilities, the fidelity of the virtual behaviors, and sensory feedback associated with the interactions. In this paper, we present a study investigating participants’ perceptions and behaviors during a time-limited search task in close proximity with virtual entities in AR. In particular, we analyze the effects of (i) visual conflicts in the periphery of an optical see-through head-mounted display, a Microsoft HoloLens, (ii) overall lighting in the physical environment, and (iii) multimodal feedback based on vibrotactile transducers mounted on a physical platform. Our results show significant benefits of vibrotactile feedback and reduced peripheral lighting for spatial and social presence, and engagement. We discuss implications of these effects for AR applications.
2.
Norouzi, Nahal; Kim, Kangsoo; Hochreiter, Jason; Lee, Myungho; Daher, Salam; Bruder, Gerd; Welch, Gregory
ACM Intelligent Virtual Agents, 2018.
@conference{norouzi2018systematic,
title = {A Systematic Survey of 15 Years of User Studies Published in the Intelligent Virtual Agents Conference},
author = {Nahal Norouzi and Kangsoo Kim and Jason Hochreiter and Myungho Lee and Salam Daher and Gerd Bruder and Gregory Welch},
url = {https://dl.acm.org/doi/10.1145/3267851.3267901},
doi = {10.1145/3267851.3267901},
year = {2018},
date = {2018-11-05},
urldate = {2018-11-05},
booktitle = {ACM Intelligent Virtual Agents},
pages = {17–22},
abstract = {The field of intelligent virtual agents (IVAs) has evolved immensely over the past 15 years, introducing new application opportunities in areas such as training, health care, and virtual assistants. In this survey paper, we provide a systematic review of the most influential user studies published in the IVA conference from 2001 to 2015 focusing on IVA development, human perception, and interactions. A total of 247 papers with 276 user studies have been classified and reviewed based on their contributions and impact. We identify the different areas of research and provide a summary of the papers with the highest impact. With the trends of past user studies and the current state of technology, we provide insights into future trends and research challenges.},
keywords = {},
pubstate = {published},
tppubtype = {conference}
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The field of intelligent virtual agents (IVAs) has evolved immensely over the past 15 years, introducing new application opportunities in areas such as training, health care, and virtual assistants. In this survey paper, we provide a systematic review of the most influential user studies published in the IVA conference from 2001 to 2015 focusing on IVA development, human perception, and interactions. A total of 247 papers with 276 user studies have been classified and reviewed based on their contributions and impact. We identify the different areas of research and provide a summary of the papers with the highest impact. With the trends of past user studies and the current state of technology, we provide insights into future trends and research challenges.
3.
Daher, Salam; Gonzalez, Laura; Hochreiter, Jason; Norouzi, Nahal; Bruder, Gerd; Welch, Gregory
Touch-Aware Intelligent Physical-Virtual Agents for Healthcare Simulation Conference
ACM Intelligent Virtual Agents, Sydney, Australia, 2018.
@conference{daher2018physical,
title = {Touch-Aware Intelligent Physical-Virtual Agents for Healthcare Simulation},
author = {Salam Daher and Laura Gonzalez and Jason Hochreiter and Nahal Norouzi and Gerd Bruder and Gregory Welch},
url = {https://dl.acm.org/doi/abs/10.1145/3267851.3267876},
doi = {10.1145/3267851.3267876},
year = {2018},
date = {2018-11-05},
urldate = {2018-11-05},
booktitle = {ACM Intelligent Virtual Agents},
pages = {99-106},
address = {Sydney, Australia},
abstract = {Conventional Intelligent Virtual Agents (IVAs) focus primarily on the visual and auditory channels for both the agent and the interacting human: the agent displays a visual appearance and speech as output, while processing the human's verbal and non-verbal behavior as input. However, some interactions, particularly those between a patient and healthcare provider, inherently include tactile components. We introduce an Intelligent Physical-Virtual Agent (IPVA) head that occupies an appropriate physical volume; can be touched; and via human-in-the-loop control can change appearance, listen, speak, and react physiologically in response to human behavior. Compared to a traditional IVA, it provides a physical affordance, allowing for more realistic and compelling human-agent interactions. In a user study focusing on the neurological assessment of a simulated patient showing stroke symptoms, we compared the IPVA head with a high-fidelity touch-aware mannequin that has a static appearance. Various measures of the human subjects indicated greater attention, affinity for, and presence with the IPVA patient, all factors that can improve healthcare training.},
keywords = {},
pubstate = {published},
tppubtype = {conference}
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Conventional Intelligent Virtual Agents (IVAs) focus primarily on the visual and auditory channels for both the agent and the interacting human: the agent displays a visual appearance and speech as output, while processing the human's verbal and non-verbal behavior as input. However, some interactions, particularly those between a patient and healthcare provider, inherently include tactile components. We introduce an Intelligent Physical-Virtual Agent (IPVA) head that occupies an appropriate physical volume; can be touched; and via human-in-the-loop control can change appearance, listen, speak, and react physiologically in response to human behavior. Compared to a traditional IVA, it provides a physical affordance, allowing for more realistic and compelling human-agent interactions. In a user study focusing on the neurological assessment of a simulated patient showing stroke symptoms, we compared the IPVA head with a high-fidelity touch-aware mannequin that has a static appearance. Various measures of the human subjects indicated greater attention, affinity for, and presence with the IPVA patient, all factors that can improve healthcare training.
2019
Kendra Richards, Nikhil Mahalanobis, Kangsoo Kim, Ryan Schubert, Myungho Lee, Salam Daher, Nahal Norouzi, Jason Hochreiter, Gerd Bruder, Gregory Welch
ACM Symposium on Spatial User Interaction (SUI), no. 3, 2019, ISBN: 978-1-4503-6975-6/19/10.
Abstract | Links | BibTeX | Tags: 2019, Augmented Reality, Field of View, Gerd Bruder, Gregory F Welch, Jason Hochreiter, Kangsoo Kin, Kendra Richards, Multimodal Feedback, Myungho Lee, Nahal Norouzi, Nikhil Mahalanobis, Ryan Schubert, Salam Daher, Search Task
@conference{richards2019analysis,
title = {Analysis of Peripheral Vision and Vibrotactile Feedback During Proximal Search Tasks with Dynamic Virtual Entities in Augmented Reality},
author = {Kendra Richards and Nikhil Mahalanobis and Kangsoo Kim and Ryan Schubert and Myungho Lee and Salam Daher and Nahal Norouzi and Jason Hochreiter and Gerd Bruder and Gregory Welch},
url = {https://dl.acm.org/doi/10.1145/3357251.3357585},
doi = {10.1145/3357251.3357585},
isbn = {978-1-4503-6975-6/19/10},
year = {2019},
date = {2019-10-19},
urldate = {2019-10-19},
booktitle = {ACM Symposium on Spatial User Interaction (SUI)},
number = {3},
pages = {1-9},
abstract = {A primary goal of augmented reality (AR) is to seamlessly embed virtual content into a real environment. There are many factors that can affect the perceived physicality and co-presence of virtual entities, including the hardware capabilities, the fidelity of the virtual behaviors, and sensory feedback associated with the interactions. In this paper, we present a study investigating participants’ perceptions and behaviors during a time-limited search task in close proximity with virtual entities in AR. In particular, we analyze the effects of (i) visual conflicts in the periphery of an optical see-through head-mounted display, a Microsoft HoloLens, (ii) overall lighting in the physical environment, and (iii) multimodal feedback based on vibrotactile transducers mounted on a physical platform. Our results show significant benefits of vibrotactile feedback and reduced peripheral lighting for spatial and social presence, and engagement. We discuss implications of these effects for AR applications.},
keywords = {2019, Augmented Reality, Field of View, Gerd Bruder, Gregory F Welch, Jason Hochreiter, Kangsoo Kin, Kendra Richards, Multimodal Feedback, Myungho Lee, Nahal Norouzi, Nikhil Mahalanobis, Ryan Schubert, Salam Daher, Search Task},
pubstate = {published},
tppubtype = {conference}
}
A primary goal of augmented reality (AR) is to seamlessly embed virtual content into a real environment. There are many factors that can affect the perceived physicality and co-presence of virtual entities, including the hardware capabilities, the fidelity of the virtual behaviors, and sensory feedback associated with the interactions. In this paper, we present a study investigating participants’ perceptions and behaviors during a time-limited search task in close proximity with virtual entities in AR. In particular, we analyze the effects of (i) visual conflicts in the periphery of an optical see-through head-mounted display, a Microsoft HoloLens, (ii) overall lighting in the physical environment, and (iii) multimodal feedback based on vibrotactile transducers mounted on a physical platform. Our results show significant benefits of vibrotactile feedback and reduced peripheral lighting for spatial and social presence, and engagement. We discuss implications of these effects for AR applications.
2018
Nahal Norouzi, Kangsoo Kim, Jason Hochreiter, Myungho Lee, Salam Daher, Gerd Bruder, Gregory Welch
ACM Intelligent Virtual Agents, 2018.
Abstract | Links | BibTeX | Tags: Applications, Behavior, Gerd Bruder, Gregory F Welch, Identities, Intelligent Virtual Agent, Jason Hochreiter, Kangsoo Kin, Myungho Lee, Nahal Norouzi, Physical Appearance, Salam Daher, Systematic Survey, User Studies
@conference{norouzi2018systematic,
title = {A Systematic Survey of 15 Years of User Studies Published in the Intelligent Virtual Agents Conference},
author = {Nahal Norouzi and Kangsoo Kim and Jason Hochreiter and Myungho Lee and Salam Daher and Gerd Bruder and Gregory Welch},
url = {https://dl.acm.org/doi/10.1145/3267851.3267901},
doi = {10.1145/3267851.3267901},
year = {2018},
date = {2018-11-05},
urldate = {2018-11-05},
booktitle = {ACM Intelligent Virtual Agents},
pages = {17–22},
abstract = {The field of intelligent virtual agents (IVAs) has evolved immensely over the past 15 years, introducing new application opportunities in areas such as training, health care, and virtual assistants. In this survey paper, we provide a systematic review of the most influential user studies published in the IVA conference from 2001 to 2015 focusing on IVA development, human perception, and interactions. A total of 247 papers with 276 user studies have been classified and reviewed based on their contributions and impact. We identify the different areas of research and provide a summary of the papers with the highest impact. With the trends of past user studies and the current state of technology, we provide insights into future trends and research challenges.},
keywords = {Applications, Behavior, Gerd Bruder, Gregory F Welch, Identities, Intelligent Virtual Agent, Jason Hochreiter, Kangsoo Kin, Myungho Lee, Nahal Norouzi, Physical Appearance, Salam Daher, Systematic Survey, User Studies},
pubstate = {published},
tppubtype = {conference}
}
The field of intelligent virtual agents (IVAs) has evolved immensely over the past 15 years, introducing new application opportunities in areas such as training, health care, and virtual assistants. In this survey paper, we provide a systematic review of the most influential user studies published in the IVA conference from 2001 to 2015 focusing on IVA development, human perception, and interactions. A total of 247 papers with 276 user studies have been classified and reviewed based on their contributions and impact. We identify the different areas of research and provide a summary of the papers with the highest impact. With the trends of past user studies and the current state of technology, we provide insights into future trends and research challenges.
Salam Daher, Laura Gonzalez, Jason Hochreiter, Nahal Norouzi, Gerd Bruder, Gregory Welch
Touch-Aware Intelligent Physical-Virtual Agents for Healthcare Simulation Conference
ACM Intelligent Virtual Agents, Sydney, Australia, 2018.
Abstract | Links | BibTeX | Tags: 2018, Gerd Bruder, Gregory F Welch, Jason Hochreiter, Laura Gonzalez, Nahal Norouzi, neurological assessment, patient simulator, physical-virtual agents, pvp, Salam Daher
@conference{daher2018physical,
title = {Touch-Aware Intelligent Physical-Virtual Agents for Healthcare Simulation},
author = {Salam Daher and Laura Gonzalez and Jason Hochreiter and Nahal Norouzi and Gerd Bruder and Gregory Welch},
url = {https://dl.acm.org/doi/abs/10.1145/3267851.3267876},
doi = {10.1145/3267851.3267876},
year = {2018},
date = {2018-11-05},
urldate = {2018-11-05},
booktitle = {ACM Intelligent Virtual Agents},
pages = {99-106},
address = {Sydney, Australia},
abstract = {Conventional Intelligent Virtual Agents (IVAs) focus primarily on the visual and auditory channels for both the agent and the interacting human: the agent displays a visual appearance and speech as output, while processing the human's verbal and non-verbal behavior as input. However, some interactions, particularly those between a patient and healthcare provider, inherently include tactile components. We introduce an Intelligent Physical-Virtual Agent (IPVA) head that occupies an appropriate physical volume; can be touched; and via human-in-the-loop control can change appearance, listen, speak, and react physiologically in response to human behavior. Compared to a traditional IVA, it provides a physical affordance, allowing for more realistic and compelling human-agent interactions. In a user study focusing on the neurological assessment of a simulated patient showing stroke symptoms, we compared the IPVA head with a high-fidelity touch-aware mannequin that has a static appearance. Various measures of the human subjects indicated greater attention, affinity for, and presence with the IPVA patient, all factors that can improve healthcare training.},
keywords = {2018, Gerd Bruder, Gregory F Welch, Jason Hochreiter, Laura Gonzalez, Nahal Norouzi, neurological assessment, patient simulator, physical-virtual agents, pvp, Salam Daher},
pubstate = {published},
tppubtype = {conference}
}
Conventional Intelligent Virtual Agents (IVAs) focus primarily on the visual and auditory channels for both the agent and the interacting human: the agent displays a visual appearance and speech as output, while processing the human's verbal and non-verbal behavior as input. However, some interactions, particularly those between a patient and healthcare provider, inherently include tactile components. We introduce an Intelligent Physical-Virtual Agent (IPVA) head that occupies an appropriate physical volume; can be touched; and via human-in-the-loop control can change appearance, listen, speak, and react physiologically in response to human behavior. Compared to a traditional IVA, it provides a physical affordance, allowing for more realistic and compelling human-agent interactions. In a user study focusing on the neurological assessment of a simulated patient showing stroke symptoms, we compared the IPVA head with a high-fidelity touch-aware mannequin that has a static appearance. Various measures of the human subjects indicated greater attention, affinity for, and presence with the IPVA patient, all factors that can improve healthcare training.