valentin schwind

professor of human-computer interaction
Is there an Uncanny Valley of Virtual Animals? A Quantitative and Qualitative Investigation

Is there an Uncanny Valley of Virtual Animals? A Quantitative and Qualitative Investigation

Approaching a high degree of realism, android robots, and virtual humans may evoke uncomfortable feelings. Due to technologies that increase the realism of human replicas, this phenomenon, which is known as the uncanny valley, has been frequently highlighted in recent years by researchers from various fields. Although virtual animals play an important role in video games and entertainment, the question whether there is also an uncanny valley for virtual animals has been little investigated. This paper examines whether very realistic virtual pets tend to cause a similar aversion as humanlike characters.

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“Where’s Pinky?”: The Effects of a Reduced Number of Fingers in Virtual Reality

“Where’s Pinky?”: The Effects of a Reduced Number of Fingers in Virtual Reality

The hands of one’s avatar are possibly the most visible aspect when interacting in virtual reality (VR). As video games in VR proliferate, it is important to understand how the appearance of avatar hands influence the user experience. Designers of video games often stylize hands and reduce the number of fingers of game characters. Previous work shows that the appearance of avatar hands has significant effects on the user’s presence—the feeling of ‘being’ and ‘acting’ in VR. However, little is known about the effects of missing fingers of an avatar in VR. In this paper, we present a study (N = 24) that investigated the effect of hand representations by parametrically varying the number of fingers of abstract and realistically rendered hands.

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“These are not my hands!”: Effect of Gender on the Perception of Avatar Hands in Virtual Reality

“These are not my hands!”: Effect of Gender on the Perception of Avatar Hands in Virtual Reality

Rendering the user’s body in virtual reality increases immersion and presence – the illusion of ‘being there’. Recent technology enables determining the pose and position of the hands to render them accordingly while interacting within the virtual environment. Virtual reality applications often use realistic male or female hands, mimic robotic hands, or cartoon hands. However, it is unclear how users perceive different hand styles. We conducted a study with 14 male and 14 female participants in virtual reality to investigate the effect of gender on the perception of six different hands.

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Determining the Characteristics of Preferred Virtual Faces Using an Avatar Generator

Determining the Characteristics of Preferred Virtual Faces Using an Avatar Generator

Video game developers continuously increase the degree of details and realism in games to create more human-like characters. But increasing the human-likeness becomes a problem in regard to the Uncanny Valley phenomenon that predicts negative feelings of people towards artificial entities.

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Historical, Cultural, and Aesthetic Aspects of the Uncanny Valley

Historical, Cultural, and Aesthetic Aspects of the Uncanny Valley

This article explores the hitherto little-discussed historical emergence and contemporary impact of the Uncanny Valley and shows that it is strongly connected to intentions, aesthetics, and cultural aspects of artificial figures.

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Science Visualizations for ACM SIGCHI

Science Visualizations for ACM SIGCHI

We (Solveigh Jäger and me) cut, edited and partly recorded* some nice research videos for the CHI2014 in Toronto, Canada. The most important video is the CHI2014 promotional trailer for the human-computer interaction conference itself:

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Starting the exploration of the Uncanny Valley

Starting the exploration of the Uncanny Valley

After the last half year full of trouble and many events, I’m beginning with my doctoral studies at the University of Stuttgart. It is a great honor for me to be in the research group of doctoral students in the collegue “Digital Media” and be part of a scholarship for three years. Subject of my research is the Uncanny Valley and writing a thesis in the next 3-5 years. Unfortunately, I must reduce my freelance work and academic employment at the Stuttgart Media University of course.

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The Golden Ratio in 3D human face modeling

The Golden Ratio in 3D human face modeling

The freehand modeling of three-dimensional human faces with an usual 3D-animation software is still a big challenge for many CG Artists. A problem during the modeling process of real, human-like characters is the observance of certain natural proportions.  An important role plays the famous Golden Ratio, which is difficult to be applied in many ways.

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