Harald Reiterer

Harald Reiterer
Universität Konstanz | Uni-Konstanz · Department of Computer and Information Science

Prof. Dr.

About

360
Publications
69,575
Reads
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3,866
Citations
Introduction
Harald Reiterer currently works at the Department of Computer and Information Science, Universität Konstanz. Harald does research in Human-computer Interaction and Information Science.
Additional affiliations
January 1997 - December 2012
Universität Konstanz
Position
  • Professor (Full)
October 1990 - February 1995
GMD
December 1987 - December 1996

Publications

Publications (360)
Article
With increasing complexity in visual computing tasks, a single device may not be sufficient to adequately support the user’s workflow. Here, we can employ multi-device ecologies such as cross-device interaction, where a workflow can be split across multiple devices, each dedicated to a specific role. But what makes these multi-device ecologies comp...
Article
Full-text available
Adaptive visualization and interfaces pervade our everyday tasks to improve interaction from the point of view of user performance and experience. This approach allows using several user inputs, whether physiological , behavioral, qualitative, or multimodal combinations , to enhance the interaction. Due to the multitude of approaches, we outline th...
Conference Paper
Augmented Reality (AR) supported collaboration is a popular topic in HCI research. Previous work has shown the benefits of collaborative 3D object manipulation and identified two possibilities: Either separate or compose users’ inputs. However, their experimental comparison using handheld AR displays is still missing. We, therefore, conducted an ex...
Conference Paper
Full-text available
Mobile intervention studies employ mobile devices to observe participants' behavior change over several weeks. Researchers regularly monitor high-dimensional data streams to ensure data quality and prevent data loss (e.g., missing engagement or malfunctions). The multitude of problem sources hampers possible automated detection of such irregulariti...
Chapter
Longitudinal studies in HCI research have the potential to increase our understanding of how human–technology interactions evolve over time. Potentially, longitudinal studies eliminate learning or novelty effects by considering change through repeated measurements of interaction and use. However, there seems to exist no agreement of how longitudina...
Preprint
Full-text available
Recent research in the area of immersive analytics demonstrated the utility of head-mounted augmented reality devices for visual data analysis. However, it can be challenging to use the by default supported mid-air gestures to interact with visualizations in augmented reality (e.g. due to limited precision). Touch-based interaction (e.g. via mobile...
Article
Full-text available
Background: Numerous smartphone apps are targeting physical activity and healthy eating, but empirical evidence on their effectiveness for initialization and maintenance of behavior change, especially in children and adolescents, is still limited. Objectives: The aim was to conceptualize a theory-based and evidence-based mHealth intervention called...
Preprint
Unhealthy lifestyles largely contribute to many chronic diseases, which makes the research on health behavior change crucial for both individuals and the whole society. As an interdisciplinary research field, health behavior change research in the HCI community is still in the early stage. This research field is notably less developed in Chinese HC...
Article
Full-text available
Forecasting how we will react in the future is important in every area of our lives. However, people often demonstrate an “impact bias” which leads them to inaccurately forecast their affective reactions to distinct and outstanding future events. The present study examined forecasting accuracy for a day-to-day repetitive experience for which people...
Preprint
BACKGROUND Numerous smartphone applications (app) are targeting physical activity (PA) and/or healthy eating (HE), but empirical evidence on their effectiveness for initialization and maintenance of behavior change, especially in children and adolescents is still limited. Individuals’ behavior is embedded in social settings, therefore, core setting...
Preprint
Background Numerous smartphone apps are targeting physical activity and healthy eating, but empirical evidence on their effectiveness for initialization and maintenance of behavior change, especially in children and adolescents, is still limited. Objective The aim of this study was to conceptualize a theory-based and evidence-based mHealth interve...
Conference Paper
Full-text available
Human-Computer Integration (HInt) is an emerging paradigm in which computational and human systems are closely interwoven. Integrating computers with the human body is not new. however, we believe that with rapid technological advancements, increasing real-world deployments, and growing ethical and societal implications, it is critical to identify...
Article
Full-text available
2020 ACM. Human-Computer Integration (HInt) is an emerging paradigm in which computational and human systems are closely interwoven. Integrating computers with the human body is not new. however, we believe that with rapid technological advancements, increasing real-world deployments, and growing ethical and societal implications, it is critical to...
Article
Full-text available
Large Interactive Displays (LIDs), such as tabletops or interactive walls, are promising innovations, which are increasingly used to support colocated collaboration. Yet the current evidence base on the impact of LID use on collaborative processes and outcomes, and associated influencing factors, is fragmented, particularly in comparison with other...
Conference Paper
Nurses who care about patients with functional disabilities are frequently required to transfer a patient from one place to another. To prevent nurses from injuring themselves during patient transfers, many government-supported schools in Germany provide programs which teach how to conduct transfers based on the kinaesthetics care conception. Howev...
Conference Paper
Handheld Augmented Reality (AR) displays offer a see-through option to create the illusion of virtual objects being integrated into the viewer's physical environment. Some AR display technologies also allow for the deactivation of the see-through option, turning AR tablets into Virtual Reality (VR) devices that integrate the virtual objects into an...
Poster
Full-text available
Background: Physical activity and healthy nutrition are commonly known as core facets of health. However, recent studies confirm a lack of these aspects in today’s society. With most people lacking time for exercise and cooking, m-health applications may be the means of choice to promote healthier lifestyles. The current study aimed to develop a sm...
Article
Full-text available
Building data analysis skills is part of modern elementary school curricula. Recent research has explored how to facilitate children's understanding of visual data representations through completion exercises which highlight links between concrete and abstract mappings. This approach scaffolds visualization activities by presenting a target visuali...
Preprint
BACKGROUND Establishing a methodology to assess nutritional behavior comprehensively and accurately is extremely challenging. Mobile technologies such as mobile applications (apps) enable eating events to be assessed in-the-moment in real-time, which reduces the memory biases that are inherent in retrospective food records. However, users might fin...
Article
Background: Establishing a methodology for assessing nutritional behavior comprehensively and accurately poses a great challenge. Mobile technologies such as mobile image-based food recording apps enable eating events to be assessed in the moment in real time, thereby reducing memory biases inherent in retrospective food records. However, users mi...
Preprint
BACKGROUND Prolonged sedentary behavior is related to a number of risk factors for chronic diseases. Given the high prevalence of sedentary behavior in daily life, light-weight solutions for behavior change are needed to avoid detrimental health effects. OBJECTIVE Based on behavioral theories, the mobile app SedVis was developed. The app provides...
Article
Full-text available
Background Prolonged sedentary behavior is related to a number of risk factors for chronic diseases. Given the high prevalence of sedentary behavior in daily life, simple yet practical solutions for behavior change are needed to avoid detrimental health effects. Objective The mobile app SedVis was developed based on the health action process appro...
Preprint
Full-text available
The augmented-reality head-mounted display (e.g., Microsoft HoloLens) is one of the most innovative technologies in multimedia and human-computer interaction in recent years. Despite the emerging research of its applications on engineering, education, medicines, to name a few, its impact on users' movement behavior is still underexplored. The movem...
Article
Objective Poor lifestyle represents a health risk factor and is the leading cause of morbidity and chronic conditions. The impact of poor lifestyle can be significantly altered by individual's behavioral modification. Although there are abundant lifestyle promotion applications and tools, they are still limited in providing tailored social support...
Article
Contemporary exhibitions are increasingly staged using extensive and often interactive media. To create such exhibitions, exhibition design companies employ professionals from a wide range of different disciplines. The support of interdisciplinary exhibition designers in the design process is one goal of research in Human-Computer Interaction. This...
Conference Paper
Full-text available
Prolonged sedentary behavior contributes to many chronic diseases. An appropriate reminder could help screen-based workers to reduce their prolonged sedentary behavior. The fixed-duration point-of-choice prompt has been frequently used in related work. However, this prompting system has several drawbacks. In this paper, we propose the SedentaryBar,...
Preprint
Full-text available
Unhealthy lifestyles could cause many chronic diseases, which bring patients and their families much burden. Research has shown the potential of digital technologies for supporting health behavior change to help us prevent these chronic diseases. The HCI community has contributed to the research on health behavior change for more than a decade. In...
Article
Outreach and citizen science are important aspects in research and development. For example, the collection of bird-related data is driven forward by non-professional ornithologists as well as by researchers. At the exhibition “From Lake Constance to Africa, a long distance travel with ICARUS” which took place during the summer 2018 at the island...
Conference Paper
"Rebuild Palmyra?" is a multimedia exhibition about the ancient city of Palmyra, its destruction by Daesh, and the question of whether it should be rebuilt. As such, it tackles today's pressing question of how humanity should deal with the destruction of cultural heritage. In the design of the exhibition, we pursued the Blended Museum approach, in...
Conference Paper
Previous research shows that territories help people coordinate their task and social interaction at large interactive tabletops. However, little is known about the interplay between territorially and the reorientation of digital objects and their influence on task performance. In this paper, we advance the hypothesis that territories are states of...
Preprint
Full-text available
Digital health interventions have been emerging in the last decade. Due to their interdisciplinary nature, digital health interventions are guided and influenced by theories (e.g., behavioral theories, behavior change technologies, persuasive technology) from different research communities. However, digital health interventions are always coded usi...
Conference Paper
Full-text available
We propose, implement and evaluate the use of a smartphone application for real-time six-degrees-of-freedom user input. We show that our app-based approach achieves high accuracy and goes head-to-head with expensive externally tracked controllers. The strength of our application is that it is simple to implement and is highly accessible --- requiri...
Conference Paper
Full-text available
Physical tools and materials like pen, paper, sticky-notes, and whiteboards are commonly used in collaborative creative design processes, whereas digital tools play a more marginal role. But what are the benefits and drawbacks of physical, digital, and hybrid physical-digital setups when it comes to supporting collaborative ideation? To answer this...
Conference Paper
Full-text available
We present SMARTEXPLORE, a novel visual analytics technique that simplifies the identification and understanding of clusters, correlations, and complex patterns in high-dimensional data. The analysis is integrated into an interactive table-based visualization that maintains a consistent and familiar representation throughout the analysis. The visua...
Preprint
Full-text available
Extracting significant places or places of interest (POIs) using individuals' spatio-temporal data is of fundamental importance for human mobility analysis. Classical clustering methods have been used in prior work for detecting POIs, but without considering temporal constraints. Usually, the involved parameters for clustering are difficult to dete...
Conference Paper
Full-text available
In the domain of human behavior prediction, next-place prediction is an active research field. While prior work has applied sequential and temporal patterns for next-place prediction, no work has yet studied the prediction performance of combining sequential with temporal patterns compared to using them separately. In this paper, we address next-pl...
Conference Paper
Full-text available
Scientific evidence has shown that long-term sedentary behaviour is detrimental to human health. Therefore, a trend appears in the field of healthy lifestyle promotion that more attention is drawn to sedentary behaviour rather than only physical activity. However, technology-based mobile health intervention tools targeting reducing sedentary behavi...
Conference Paper
Full-text available
PolarTrack is a novel camera-based approach to detecting and tracking mobile devices inside the capture volume. In PolarTrack, a polarization filter continuously rotates in front of an off-the-shelf color camera, which causes the displays of observed devices to periodically blink in the camera feed. The periodic blinking results from the physical c...
Conference Paper
Full-text available
Immersive technologies such as augmented reality devices are opening up a new design space for the visual analysis of data. This paper studies the potential of an augmented reality environment for the purpose of collaborative analysis of multidimensional, abstract data. We present ART, a collaborative analysis tool to visualize multidimensional dat...
Conference Paper
Full-text available
Users' cognitive load while interacting with a system is a valuable metric for evaluations in HCI. We encourage the analysis of eye movements as an unobtrusive and widely available way to measure cognitive load. In this paper, we report initial findings from a user study with 26 participants working on three visual search tasks that represent diffe...
Conference Paper
Contemporary exhibitions are increasingly staged using extensive and often interactive media. To create such exhibitions, exhibition design companies employ professionals from a wide range of different disciplines. The support of interdisciplinary exhibition designers in the design process is one goal of research in Human-Computer Interaction. This...
Conference Paper
In diesem Beitrag stellen wir das Konzept der Hybriden Exponate vor. Ziel dieses Interaktionskonzepts ist der kombinierte Einsatz von realer und virtueller Informationsvermittlung, ohne die Aura des Originals zu beeinträchtigen. Am Beispiel der Ausstellung „Archäologie in Baden“ des Badischen Landesmuseum Karlsruhe zeigen wir auf, wie Hybride Expon...
Article
Full-text available
Prolonged sedentary behavior is prevalent among office workers and has been found to be detrimental to health. Preventing and reducing prolonged sedentary behavior require interventions, and persuasive technology is expected to make a contribution in this domain. In this paper, we use the framework of persuasive system design (PSD) principles to in...
Article
Full-text available
Increasing evidence has shown that theory-based health behavior change interventions are more effective than non-theory-based ones. However, only a few segments of relevant studies were theory-based, especially the studies conducted by non-psychology researchers. On the other hand, many mobile health interventions, even those based on the behaviora...
Conference Paper
Augmented Reality (AR) displays have been suggested as shared-space technology to support remote collaboration, e.g., in design and building tasks. But with AR displays, the shared space typically consists of only the virtual work objects (e.g., design artifacts) while collaborators’ interaction is grounded in their individual, physical environment...
Conference Paper
In recent years, research on cross-device interaction has become a popular topic in HCI leading to novel interaction techniques mutually interfering with new evolving theoretical paradigms. Building on previous research, we implemented an individual multi-device work environment for creative activities. In a study with 20 participants, we compared...