Pascal Knierim

schoolUniversity of Innsbruckbar_chart#1326 Global Rank

Total Papers

HCI Rank

#1326

Research Areas

Years Active

Recent Publications

Ad-Blocked Reality: Evaluating User Perceptions of Content Blocking Concepts Using Extended Reality

Inspired by the concepts of diminishing reality and ad-blocking in browsers, this study investigates the perceived benefits and concerns of blocking physical, real-world content, particularly ads, through Extended Reality (XR). To understand how users perceive this concept, we first conducted a user study (N=18) with…

CHI '244th AuthorSocial & Collaborative VR +1

Navigating the Virtual Gaze: Social Anxiety's Role in VR proxemics

For individuals with Social Anxiety (SA), interacting with others can be a challenging experience, a concern that extends into the virtual world. While technology has made significant strides in creating more realistic virtual human agents (VHA), the interplay of gaze and interpersonal distance when interacting with V…

CHI '235th+ AuthorSocial & Collaborative VR +1

When XR and AI Meet - A Scoping Review on Extended Reality and Artificial Intelligence

Research on Extended Reality (XR) and Artificial Intelligence (AI) is booming, which has led to an emerging body of literature in their intersection. However, the main topics in this intersection are unclear, as are the benefits of combining XR and AI. This paper presents a scoping review that highlights how XR is app…

CHI '234th AuthorHuman Pose & Activity Recognition +1

HotFoot: Foot-Based User Identification using Thermal Imaging

We propose a novel method for seamlessly identifying users by combining thermal and visible feet features. While it is known that users’ feet have unique characteristics, these have so far been underutilized for biometric identification, as observing those features often requires the removal of shoes and socks. As the…

CHI '222nd AuthorAgent Personality & Anthropomorphism +2

Proxemics for Human-Agent Interaction in Augmented Reality

Augmented Reality (AR) embeds virtual content in physical spaces, including virtual agents that are known to exert a social presence on users. Existing design guidelines for AR rarely consider the social implications of an agent's personal space (PS) and that it can impact user behavior and arousal. We report an exper…

CHI '192nd AuthorImmersion & Presence Research

Using Presence Questionnaires in Virtual Reality

Virtual Reality (VR) is gaining increasing importance in science, education, and entertainment. A fundamental characteristic of VR is creating presence, the experience of 'being' or 'acting', when physically situated in another place. Measuring presence is vital for VR research and development. It is typically repeate…

CHI '181st AuthorEye Tracking & Gaze Interaction +1

Physical Keyboards in Virtual Reality: Analysis of Typing Performance and Effects of Avatar Hands

Entering text is one of the most common tasks when interacting with computing systems. Virtual Reality (VR) presents a challenge as neither the user's hands nor the physical input devices are directly visible. Hence, conventional desktop peripherals are very slow, imprecise, and cumbersome. We developed a apparatus th…

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