Jesper Kjeldskov

Jesper Kjeldskov
Aalborg University · Department of Computer Science

PhD

About

174
Publications
69,152
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4,134
Citations

Publications

Publications (174)
Article
Reminiscence therapy is beneficial for improving the quality of life for older adults living with dementia. However, it is difficult for caregivers in care homes to make this part of their daily practice because remembering a resident’s individual stories is difficult. Proximity-aware technologies can make rapid connections between residents, their...
Article
Full-text available
Going beyond dyadic (one-to-one) interaction has been increasingly explored in HRI. Yet we lack a comprehensive view on non-dyadic interaction research in HRI. To map out 15 years of works investigating non-dyadic interaction, and thereby identifying the trend of the field and future research areas, we performed a literature review containing all 1...
Chapter
Listening to sound individually while in close proximity of other people is increasingly enabled by a range of technologies. One still in development is sound zone technology that aims to provide personal sound without headphones or other wearable speakers. User-oriented studies in the area of personal listening primarily emerge from the fields of...
Chapter
Aimed as an educational resource for graduate students and researchers in HCI, this book brings together a collection of chapters, addressing theoretical and methodological considerations, and presenting case studies of longitudinal HCI research. In this short introduction to the book, we reflect on the need for longitudinal studies in human–comput...
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...
Article
Well-being of crew members on long-distance space travel is challenged by being away from loved ones and spending quality time alone. Furthermore, any communication between Earth and other planets is constrained by delays. This necessitates asynchronous communication designs. In this workshop paper, we present a framework of four areas for designin...
Conference Paper
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Domestic robots such as vacuum cleaners or lawnmowers are becoming popular consumer products in private homes, but while current HCI research on domestic robots has highlighted for example personalisation, long-term effects, or design guidelines, little attention has been paid to automation. To address this, we conducted a qualitative study with 24...
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Several smartwatch vendors have over the past years entered the market with a large range of devices that differ in the design qualities they offer. In this paper, we focus on design qualities that are either perceived, descriptive or physical, and we investigate which of them may lead people to prefer particular smartwatches over others. To do so...
Article
Commercialised voice user interface devices for the home, like Amazon Echo, Google Home, and Apple HomePod, with integrated digital personal assistants have rapidly grown in popularity. These devices embody intelligent software agents that support users in their everyday life through easy and intuitive conversational interactions. While their use i...
Article
Digital personal assistants (DPAs) have recently grown in popularity because they are both a commercially available new technology and reasonably affordable to the average household. This opens opportunities for new ways to assist people in everyday activities in their homes through voice-interaction. Physical activity has significant health benefi...
Conference Paper
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Mobile devices are fast becoming an integral part of family life. While mobile technology provides constant connectivity to a world outside the home, it inevitably disrupts family dynamics and the social notion of being together. In this paper, we explore "non-use" of mobile technology in a family setting. To do this, we designed the Pup-Lock provo...
Article
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Sound zone technology has been actively developed for more than two decades with a promise to provide users with personal sound without wearing headphones. In this paper, we build on this development from the perspective of interaction design in two ways. First, we explore the relation between sound zones and the acoustic environment, referred to a...
Conference Paper
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Studies show that people find meanings such as freedom and independence in driving. However, the transition towards electric vehicles (EV’s) challenges these meanings as they present different driving experiences such as shorter driving range and missing supportive infrastructures. This suggests that people find other meaning in EV driving. This pa...
Article
In recent years, household sustainability has received increasing attention in the field of Human-Computer Interaction. This has largely been driven by the argument that through interaction design, we can create ‘smart homes’ that enable households to be more responsible with precious resources, such as food, water and energy. However, the assumpti...
Conference Paper
Sound zone systems have actively been developed for more than two decades. Building on this, we explore four different interaction design approaches for domestic sound zone systems: Tangible representation, light projection, familiar objects, and handhelds. These four approaches were conceived through a scenario-based workshop with HCI and IS exper...
Chapter
Online peer-to-peer car sharing services are increasingly being used for enabling people to share cars between them. However, our body of knowledge about peer-to-peer car sharing is still limited in terms of understanding actual use and which opportunities and challenges present for those who use them. In this paper, we investigate peer-to-peer car...
Article
Human--building interaction (HBI) is converging the fields of architecture and interaction design, leading to new and interesting tensions in perspectives and methodological approaches. One such tension is related to temporal constraints. Architecture and interaction design typically produce outcomes with very different lifetime expectancies and, p...
Conference Paper
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Food and wine are an important part of our everyday lives, not just for sustenance, but for the enjoyment and human interactions it invokes. "If food is the body of good living, wine is its soul" (Clifton Faddiman, Author). In our workshop, On and Off the Table: Re-Imagining Food and Wine Interactions, we will examine the ways in which current huma...
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Shifting is an energy-conserving interaction strategy for moving energy consumption to times where it is sustainably favorable. This interaction strategy is attracting increasing interest within sustainable HCI studies. While most of these consider how interactive technology can change household behavior, only a few report on how shifting is experi...
Conference Paper
How can we design digital artefacts to help young adults with low self-esteem feel happier? To gain new insights into young adult's self-esteem problems and how we might help support them with interactive technologies, we conducted a mixed method user-centred study. We used a 6-week cultural probe study with 11 young adults, including a focus group...
Conference Paper
Home monitoring of cardiac patients with an implantable cardioverter-defibrillator (ICD) holds promising benefits such as improved mortality rates, but HCI research shows that patients dislike the passive role imposed by current home monitoring technology. In this paper, we report from a study on how cardiac patients reacted to taking on a more act...
Conference Paper
Full-text available
Electric vehicle seems to go well together with the growing societal trend of becoming more self-supplying with renewable electricity produced in the household. However, aligning household electricity production and electric vehicle charging have received little attention in HCI although both areas have been pursued separately for a number of years...
Conference Paper
Since the emergence of video computer games in the early 70's, the concept of "cheating" has been a hot issue in video gaming research. Adding mobility and location-based capabilities to computer games introduces a whole new set of behaviours, motivations and justifications that challenge gaming communities to reconsider what constitutes "cheating"...
Conference Paper
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In this paper, a method for separating stereophonic mixtures into their harmonic constituents is proposed. The method is based on a harmonic signal model. An observed mixture is decomposed by first estimating the panning parameters of the sources, and then estimating the fundamental frequencies and the amplitudes of the harmonic components. The num...
Conference Paper
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In this paper, we present an exploratory study of hygge as a low-energy design vision for the smart home. Hygge is a Danish concept that embodies aesthetic experiences related to conviviality, often shaped by orchestrating atmospheres through low-level lighting. To explore this vision, we probe two Australian households that already live with smart...
Conference Paper
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Within sustainable HCI research, we have witnessed a growing interest in studying interaction designs that support households to ‘shift’ energy usage to times when it is sustainably favourable. In this paper, we investigate shifting through a purposely provocative and scripted design, which challenges the idea that renewable electricity is an alway...
Conference Paper
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Research has shown that desirable designs shape the use and experiences people have when interacting with technology. Nevertheless, how desirability influences energy consumption is often overlooked, particularly in HCI studies evaluating the sustainability benefits of smart home technology. In this paper, we present a qualitative study with 23 Aus...
Conference Paper
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Ride-sharing can potentially address transportation challenges such as traffic congestion and air pollution by letting drivers share their cars unused capacity with a number of passengers. However, even though multiple ride-sharing services exist and HCI research has investigated various aspects of their use, we still have limited knowledge on how...
Conference Paper
HCI research shows that cardiac patients dislike the passive role imposed by current home monitoring technology. In this paper, we explored how cardiac patients reacted to taking on a more active role of being a diagnostic agent. We developed and implemented a technology probe for these patients to report symptoms and other health metrics to health...
Conference Paper
1Using a mixture of physical gestures and one's smartphone is a convenient way for people to engage and interact with large displays in public. Yet, one of the challenges of cross-device interactions is to design techniques that encourage participation. This paper presents a study of people using four different cross-device interaction techniques i...
Conference Paper
Full-text available
The amount of interactive digital technology in cars is increasing rapidly, and many new cars are shipped with connectivity. As a result, a new platform has emerged that holds potentials to facilitate many new and different interactions, both inside and outside the car. Within the area of HCI for cars, the focus has predominantly been on interactio...
Conference Paper
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Recently within HCI, design approaches have appeared, which deviate from traditional ones. Among them critical design introduces deliberate provocations in order to challenge established perceptions and practices. We have engaged ourselves with this design approach out of interest in understanding how to use provocation in research through design....
Conference Paper
Full-text available
There is a growing interest in HCI research to explore cross-device interaction, giving rise to an interest in different approaches facilitating interaction between handheld devices and large displays. Contributing to this, we have investigated the use of four existing approaches combining touch and mid-air gestures, pinching, swiping, swinging and...
Article
In recent years there has been an increasing interest in cross-device interaction research involving mobile computing. We contribute to this research with a comparative study of four interaction techniques for moving information from a mobile device to a large display. The four techniques (Pinch, Swipe, Throw, and Tilt) were compared through a labo...
Conference Paper
Children and parents build mutual trust through voluntary disclosure, but at the same time parents are guardians who monitor and guide children as they grow up. Emerging technologies offer new opportunities for parents to monitor children while being separated. We investigated how sleep and physical activity data from a Fitbit Flex wristband worn b...
Conference Paper
In recent years there has been an increasing interest in cross-device interaction research involving mobile computing. We contribute to this research with a comparative study of four interaction techniques for moving information from a mobile device to a large display. The four techniques (Pinch, Swipe, Throw, and Tilt) were compared through a labo...
Conference Paper
Full-text available
There has been an interesting development within sustainable HCI, from passive feedback-displays towards more interactive systems that allow users to schedule their energy usage for optimal times based on eco-feedback and eco-forecasting. In this paper, we extend previous work on user scheduling of energy usage in eco-interaction with a study of he...
Conference Paper
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Techniques for multi-device interactions are finding their way into commercial products. This means that people are now exposed to possibilities of interacting with and across their devices, and this presents a valuable opportunity for studying their uptake and use in real life. In this paper we investigate and discuss the emerging multi-device int...
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Recently a number of studies appeared that operationalised coolness and explored its relation to digital products. Literature suggests that perceived coolness is another factor of user experience, and this adds to an existing explosion of dimensions related to aesthetics, hedonic quality, pragmatic quality, attractiveness, etc. A critical challenge...
Conference Paper
Discovering activities in the city around you can be difficult with traditional search engines unless you know what you are looking for. Searching for inspiration on things to do requires a more open-ended and explorative approach. We introduce transitory search as a dynamic way of uncovering information about activities in the city around you that...
Article
Full-text available
Defining control scenarios in a smart home is a difficult task for end users. In particular, one concern is that user-defined scenarios could lead to unsafe or undesired state of the system. To help them explore scenario specifications, we propose in this paper a system that enables specification of constraints restricting the control commands that...
Article
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In the past decade there has been increasing interest in studying tabletop technologies in HCI. Using Gartners Hype Cycle as an analytical framework, this paper presents developments in tabletop research within the last decade. The objective is to determine level of maturity of tabletop technologies with respect to the research foci and the extent...
Conference Paper
Cross-device interaction is getting more and more common as mobile and handheld technologies surround us in almost every situation and context. HCI research has started to study various aspects of cross-device interaction including application areas and techniques, but we still need further studies on opportunities. We illustrate six cross-device i...
Conference Paper
Over the last decade there has been an increased focus on changing domestic electricity consumption behaviors. While the usual approach has been to facilitate reduced consumption, recent work has started looking at facilitating more flexible electricity use as a means of shifting consumption to more favorable times. This approach means that people...
Conference Paper
While screen mirroring is an integral part of many video mediated collaborations, current systems are limited in their ability to include ad hoc screen mirroring from personal devices of collocated participants on each end of a video call. In this paper we introduce a system that addresses this limitation by enabling lightweight multi-user wireless...
Conference Paper
We present the design and evaluation of a smartphone app, QuittyLink, designed to help smokers reduce or stop smoking. Smoking cigarettes is a serious health risk and people who wish to quit often struggle to do so. It is well known that the most effective method of assisting smoking cessation is personal face-to-face counseling. However, this appr...
Conference Paper
Searching for unknown urban events in the hope of making serendipitous discoveries has been the focus of multiple mobile tourist guide and recommender systems. This study investigates how transitory search can be used as an interaction mechanism for making such discoveries on a mobile phone. Our prototype, onMelbourne, returns a changing collection...
Conference Paper
The Pay-E-Safe system is a token-based car battery powered electronic micropayment system for emerging markets in East Africa. This is the story of how it was developed with different ethnic groups in Kasese, Uganda, combining methods from HCI, software development, and business modeling. We created a system that is inexpensive to implement, sensit...
Conference Paper
Finding ways to help people quit smoking is a high priority in health behavior change research. Recent HCI studies involving technologies using specific quitting techniques such as social support and SMS messaging to help people quit have reported some success. Early studies using computer generated print material report significant success of tail...
Conference Paper
The unhealthy consequences of smoking cigarettes are well known and yet people still continue to smoke. Recent research involving technology to help people quit smoking has had limited success. Personal face-to-face counseling has historically proven the most successful and effective means to help people quit, but most people are reluctant or too b...
Conference Paper
Over the past decade we have seen an increased awareness about domestic energy consumption and a growing focus on eco-feedback displays. In this paper we explore the concept of providing forecasts in such displays as a supplement to information about past usage. Our prototype, eForecast, extends the display of past electricity usage with forecasts...
Conference Paper
Recent research has explored the role technology might play in future kitchens, including virtually dining together, recipe sharing, augmented kitchen furniture, reactive cooking utensils and gestural interaction. When people come together in a kitchen to cook it is about more than just production of sustenance -- it is about being together, helpin...
Conference Paper
HCI research and practice have moved into the kitchen, and alongside screen-based technologies, a number of tangible interaction designs are emerging to support home cooking. However, we note that the designs of tangible technologies for kitchens have, to date, emphasized the work of cooking rather than the social significance or context in which i...
Conference Paper
Over the past decade there has been an increased focus on eco-feedback systems for electricity consumption due to emerging technologies that allow detailed and real-time usage data to be collected and presented to users. In this paper, we present the design of an always-on eco-feedback display, PowerViz, that provides information about people's pow...
Article
Full-text available
When people interact with digital artefacts they perceive their pragmatic and hedonic qualities. In the case of interacting with mobile devices and applications, users seek utility as they try to satisfy certain needs, but at the same time they have certain feelings and emotions when, for example, they feel attached to their personal phone and/or t...
Article
Health is an important topic in HCI research with an increasing amount of health risks surrounding individuals and society at large. It is well known that smoking cigarettes can have serious health implications. The importance of this problem motivates investigation into the use of technology to encourage behavior change. Our study was designed to...
Article
We have developed an application called JuxtaPinch that allows users to share photos on multiple devices, i.e. mobile phones and tablets, while being collocated. JuxtaPinch employs simple and intuitive interaction techniques, e.g. pinching to connect devices, and it enables flexible physical positioning of devices and supports partial photo viewing...
Conference Paper
Mobile HCI research has started to investigate multi-device interaction as we often have more devices at our immediate disposal. We present an application called JuxtaPinch that allows users to share photos while being collocated using several different devices, i.e. mobile phones and tablets, at the same time. JuxtaPinch use pinching to connect de...
Conference Paper
Evaluation is considered one of the major cornerstones of human-computer interaction (HCI). During the last decade, several studies have discussed pros and cons of lab and field evaluations. Based on these discussions, we conduct a review to explore the past decade of mobile HCI research on field and lab evaluation, investigating responses in the l...
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Recent years have seen an increased research interest in multi-device interactions and digital ecosystems. This research addresses new opportunities and challenges when users are not simply interacting with one system or device at a time, but orchestrate ensembles of them as a larger whole. One of these challenges is to understand what principles o...
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Regular interactions with nature are vital for the development and well-being of children and also to build attachment and value for natural environments that potentially promote pro-environmental behaviour in later life. In this paper, we report on a study designed to identify opportunities for digital technology to support children's connectednes...
Conference Paper
Full-text available
Regular interactions with nature are vital for the development and wellbeing of children and also to build attachment and value for natural environments that potentially promote proenvironmental behaviour in later life. In this paper, we report on a study designed to identify opportunities for digital technology to support children's connectedness...
Article
Full-text available
Traditional video communication systems offer a very limited experience of eye contact due to the offset between cameras and the screen. In response, we present EyeGaze, which uses multip