The Experts below are selected from a list of 270 Experts worldwide ranked by ideXlab platform

Gerhard Reitmayr - One of the best experts on this subject based on the ideXlab platform.

  • tablet versus phone Depth Perception in handheld augmented reality
    International Symposium on Mixed and Augmented Reality, 2012
    Co-Authors: Arindam Dey, Graeme Jarvis, Christian Sandor, Gerhard Reitmayr
    Abstract:

    Augmented Reality (AR) applications on mobile devices like smartphones and tablet computers have become increasingly popular. In this paper, for the first time in the AR domain, we present: (1) the influence of different handheld displays and (2) the exocentric Depth Perception. Unlike egocentric Depth Perception, exocentric Depth Perception has not been investigated in AR.

  • ISMAR - Tablet versus phone: Depth Perception in handheld augmented reality
    2012 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), 2012
    Co-Authors: Arindam Dey, Graeme Jarvis, Christian Sandor, Gerhard Reitmayr
    Abstract:

    Augmented Reality (AR) applications on mobile devices like smartphones and tablet computers have become increasingly popular. In this paper, for the first time in the AR domain, we present: (1) the influence of different handheld displays and (2) the exocentric Depth Perception. Unlike egocentric Depth Perception, exocentric Depth Perception has not been investigated in AR. We have selected a suitable vision-based tracking method for our user studies based on a set of evaluations. Then we have investigated the effect of display size and resolution through two user studies. One study investigated the effect of different displays on egocentric Depth Perception. The other study investigated the effect of displays on exocentric and ordinal Depth Perception. Interestingly, we noticed Depth compression is less when using a mobile phone, while participants subjectively preferred a tablet. A similar effect was also noticed in exocentric Depth Perception. The tablet provided significantly better ordinal Depth Perception and faster response time than the mobile phone. In both of the studies, we found no effect of the AR X-ray visualization on Depth Perception. Both egocentric and exocentric distances were underestimated

Arindam Dey - One of the best experts on this subject based on the ideXlab platform.

  • tablet versus phone Depth Perception in handheld augmented reality
    International Symposium on Mixed and Augmented Reality, 2012
    Co-Authors: Arindam Dey, Graeme Jarvis, Christian Sandor, Gerhard Reitmayr
    Abstract:

    Augmented Reality (AR) applications on mobile devices like smartphones and tablet computers have become increasingly popular. In this paper, for the first time in the AR domain, we present: (1) the influence of different handheld displays and (2) the exocentric Depth Perception. Unlike egocentric Depth Perception, exocentric Depth Perception has not been investigated in AR.

  • ISMAR - Tablet versus phone: Depth Perception in handheld augmented reality
    2012 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), 2012
    Co-Authors: Arindam Dey, Graeme Jarvis, Christian Sandor, Gerhard Reitmayr
    Abstract:

    Augmented Reality (AR) applications on mobile devices like smartphones and tablet computers have become increasingly popular. In this paper, for the first time in the AR domain, we present: (1) the influence of different handheld displays and (2) the exocentric Depth Perception. Unlike egocentric Depth Perception, exocentric Depth Perception has not been investigated in AR. We have selected a suitable vision-based tracking method for our user studies based on a set of evaluations. Then we have investigated the effect of display size and resolution through two user studies. One study investigated the effect of different displays on egocentric Depth Perception. The other study investigated the effect of displays on exocentric and ordinal Depth Perception. Interestingly, we noticed Depth compression is less when using a mobile phone, while participants subjectively preferred a tablet. A similar effect was also noticed in exocentric Depth Perception. The tablet provided significantly better ordinal Depth Perception and faster response time than the mobile phone. In both of the studies, we found no effect of the AR X-ray visualization on Depth Perception. Both egocentric and exocentric distances were underestimated

Nobuyuki Hiruma - One of the best experts on this subject based on the ideXlab platform.

  • higher resolution stimulus facilitates Depth Perception mt plays a significant role in monocular Depth Perception
    Scientific Reports, 2015
    Co-Authors: Yoshiaki Tsushima, Kazuteru Komine, Yasuhito Sawahata, Nobuyuki Hiruma
    Abstract:

    Today, we human beings are facing with high-quality virtual world of a completely new nature. For example, we have a digital display consisting of a high enough resolution that we cannot distinguish from the real world. However, little is known how such high-quality representation contributes to the sense of realness, especially to Depth Perception. What is the neural mechanism of processing such fine but virtual representation? Here, we psychophysically and physiologically examined the relationship between stimulus resolution and Depth Perception, with using luminance-contrast (shading) as a monocular Depth cue. As a result, we found that a higher resolution stimulus facilitates Depth Perception even when the stimulus resolution difference is undetectable. This finding is against the traditional cognitive hierarchy of visual information processing that visual input is processed continuously in a bottom-up cascade of cortical regions that analyze increasingly complex information such as Depth information. In addition, functional magnetic resonance imaging (fMRI) results reveal that the human middle temporal (MT+) plays a significant role in monocular Depth Perception. These results might provide us with not only the new insight of our neural mechanism of Depth Perception but also the future progress of our neural system accompanied by state-of- the-art technologies.

  • Higher resolution stimulus facilitates Depth Perception: MT+ plays a significant role in monocular Depth Perception
    Scientific reports, 2014
    Co-Authors: Yoshiaki Tsushima, Kazuteru Komine, Yasuhito Sawahata, Nobuyuki Hiruma
    Abstract:

    Today, we human beings are facing with high-quality virtual world of a completely new nature. For example, we have a digital display consisting of a high enough resolution that we cannot distinguish from the real world. However, little is known how such high-quality representation contributes to the sense of realness, especially to Depth Perception. What is the neural mechanism of processing such fine but virtual representation? Here, we psychophysically and physiologically examined the relationship between stimulus resolution and Depth Perception, with using luminance-contrast (shading) as a monocular Depth cue. As a result, we found that a higher resolution stimulus facilitates Depth Perception even when the stimulus resolution difference is undetectable. This finding is against the traditional cognitive hierarchy of visual information processing that visual input is processed continuously in a bottom-up cascade of cortical regions that analyze increasingly complex information such as Depth information. In addition, functional magnetic resonance imaging (fMRI) results reveal that the human middle temporal (MT+) plays a significant role in monocular Depth Perception. These results might provide us with not only the new insight of our neural mechanism of Depth Perception but also the future progress of our neural system accompanied by state-of- the-art technologies.

Graeme Jarvis - One of the best experts on this subject based on the ideXlab platform.

  • tablet versus phone Depth Perception in handheld augmented reality
    International Symposium on Mixed and Augmented Reality, 2012
    Co-Authors: Arindam Dey, Graeme Jarvis, Christian Sandor, Gerhard Reitmayr
    Abstract:

    Augmented Reality (AR) applications on mobile devices like smartphones and tablet computers have become increasingly popular. In this paper, for the first time in the AR domain, we present: (1) the influence of different handheld displays and (2) the exocentric Depth Perception. Unlike egocentric Depth Perception, exocentric Depth Perception has not been investigated in AR.

  • ISMAR - Tablet versus phone: Depth Perception in handheld augmented reality
    2012 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), 2012
    Co-Authors: Arindam Dey, Graeme Jarvis, Christian Sandor, Gerhard Reitmayr
    Abstract:

    Augmented Reality (AR) applications on mobile devices like smartphones and tablet computers have become increasingly popular. In this paper, for the first time in the AR domain, we present: (1) the influence of different handheld displays and (2) the exocentric Depth Perception. Unlike egocentric Depth Perception, exocentric Depth Perception has not been investigated in AR. We have selected a suitable vision-based tracking method for our user studies based on a set of evaluations. Then we have investigated the effect of display size and resolution through two user studies. One study investigated the effect of different displays on egocentric Depth Perception. The other study investigated the effect of displays on exocentric and ordinal Depth Perception. Interestingly, we noticed Depth compression is less when using a mobile phone, while participants subjectively preferred a tablet. A similar effect was also noticed in exocentric Depth Perception. The tablet provided significantly better ordinal Depth Perception and faster response time than the mobile phone. In both of the studies, we found no effect of the AR X-ray visualization on Depth Perception. Both egocentric and exocentric distances were underestimated

Yoshiaki Tsushima - One of the best experts on this subject based on the ideXlab platform.

  • Undetectable Changes in Image Resolution of Luminance-Contrast Gradients Affect Depth Perception.
    Frontiers in psychology, 2016
    Co-Authors: Yoshiaki Tsushima, Kazuteru Komine, Yasuhito Sawahata, Toshiya Morita
    Abstract:

    A great number of studies have suggested a variety of ways to get Depth information from two dimensional images such as binocular disparity, shape-from-shading, size gradient/ foreshortening, aerial perspective, and so on. Are there any other new factors affecting Depth Perception? A recent psychophysical study has investigated the correlation between image resolution and Depth sensation of Cylinder images (A rectangle contains gradual luminance-contrast changes.). It was reported that higher resolution images facilitate Depth Perception. However, it is still not clear whether or not the finding generalizes to other kinds of visual stimuli, because there are more appropriate visual stimuli for exploration of Depth Perception of luminance-contrast changes, such as Gabor patch. Here, we further examined the relationship between image resolution and Depth Perception by conducting a series of psychophysical experiments with not only Cylinders but also Gabor patches having smoother luminance-contrast gradients. As a result, higher resolution images produced stronger Depth sensation with both images. This finding suggests that image resolution affects Depth Perception of simple luminance-contrast differences (Gabor patch) as well as shape-from-shading (Cylinder). In addition, this phenomenon was found even when the resolution difference was undetectable. This indicates the existence of consciously available and unavailable information in our visual system. These findings further support the view that image resolution is a cue for Depth Perception that was previously ignored. It partially explains the unparalleled viewing experience of novel high resolution displays.

  • higher resolution stimulus facilitates Depth Perception mt plays a significant role in monocular Depth Perception
    Scientific Reports, 2015
    Co-Authors: Yoshiaki Tsushima, Kazuteru Komine, Yasuhito Sawahata, Nobuyuki Hiruma
    Abstract:

    Today, we human beings are facing with high-quality virtual world of a completely new nature. For example, we have a digital display consisting of a high enough resolution that we cannot distinguish from the real world. However, little is known how such high-quality representation contributes to the sense of realness, especially to Depth Perception. What is the neural mechanism of processing such fine but virtual representation? Here, we psychophysically and physiologically examined the relationship between stimulus resolution and Depth Perception, with using luminance-contrast (shading) as a monocular Depth cue. As a result, we found that a higher resolution stimulus facilitates Depth Perception even when the stimulus resolution difference is undetectable. This finding is against the traditional cognitive hierarchy of visual information processing that visual input is processed continuously in a bottom-up cascade of cortical regions that analyze increasingly complex information such as Depth information. In addition, functional magnetic resonance imaging (fMRI) results reveal that the human middle temporal (MT+) plays a significant role in monocular Depth Perception. These results might provide us with not only the new insight of our neural mechanism of Depth Perception but also the future progress of our neural system accompanied by state-of- the-art technologies.

  • Higher resolution stimulus facilitates Depth Perception: MT+ plays a significant role in monocular Depth Perception
    Scientific reports, 2014
    Co-Authors: Yoshiaki Tsushima, Kazuteru Komine, Yasuhito Sawahata, Nobuyuki Hiruma
    Abstract:

    Today, we human beings are facing with high-quality virtual world of a completely new nature. For example, we have a digital display consisting of a high enough resolution that we cannot distinguish from the real world. However, little is known how such high-quality representation contributes to the sense of realness, especially to Depth Perception. What is the neural mechanism of processing such fine but virtual representation? Here, we psychophysically and physiologically examined the relationship between stimulus resolution and Depth Perception, with using luminance-contrast (shading) as a monocular Depth cue. As a result, we found that a higher resolution stimulus facilitates Depth Perception even when the stimulus resolution difference is undetectable. This finding is against the traditional cognitive hierarchy of visual information processing that visual input is processed continuously in a bottom-up cascade of cortical regions that analyze increasingly complex information such as Depth information. In addition, functional magnetic resonance imaging (fMRI) results reveal that the human middle temporal (MT+) plays a significant role in monocular Depth Perception. These results might provide us with not only the new insight of our neural mechanism of Depth Perception but also the future progress of our neural system accompanied by state-of- the-art technologies.