Engaging users with public displays has been a major challenge in public display research. Interactive displays often suffer from being ignored by potential users. Research showed that user representations are a valid way to partially address this ...
The amplification of human senses has been in the focus of contemporary research for the past decades. Apart from the replication of human organs, the functionality of the human body has been enhanced. While many approaches aim to augment existing ...
Present head-mounted displays (HMDs) for Augmented Reality (AR) devices have narrow fields-of-view (FOV). The narrow FOV further decreases the already limited human visual range and worsens the problem of objects going out of view. Therefore, we explore ...
The performance of users with motor impairments with stroke gesture input on touchscreens has been little examined so far, despite the wide prevalence of mobile devices and the benefits they bring to increase users' quality of life. In this work, we ...
We introduce an approach to user interface testing with a particular focus on non-native GUI based mobile applications. We particularly address the domain of entertainment and education software including mobile games. We describe a prototype system ...
The sense of hearing provides humans with information about their surroundings and is the primary means of communication, yet it is limited in its ability to focus on particular stimuli. To provide this ability, we designed and built S5, a mobile proof-...
Asthma is a complex disease caused by genetic and environmental factors, affecting 235 million people worldwide. The effects of chronic respiratory diseases, such as asthma and respiratory ailments, can be particularly aggressive in islands, due to the ...
For pedestrian navigation support, we report on how the feeling of being in control about receiving updates impacts navigation efficiency and user experience. In an exploratory field study, 24 participants navigated to previously unknown targets using a ...
Previous research shows couples favour online information sources when seeking support for preconception health and pregnancy planning, with mobile applications (apps) becoming increasingly popular. This study aimed to establish what smartphone apps ...
Collaboration is essential in both the working and the learning context. Although there is a wide range of collaboration tools and technology, they mostly focus on one specific application and thus are seldom reusable for other domains. To provide ...
Online forms often require users to provide a lot of personal information when registering for services, which puts their privacy at risk. While recent legislation has focused on how personal data is handled by organizations, the recent Cambridge ...
Freedom of expression is a fundamental human right. Unfortunately, this right gets denied to the majority of people because they cannot read and write. This is because most modern means of communication rely on textual interfaces that are not inclusive ...
This paper describes I-Set, a mobile set for video-makers, able to transform traditional video equipment into smart objects, and making possible to control the equipment and the shooting through a mobile application. I-Set has been designed according to ...
We present a "privacy facts" label, which aims at helping non-experts understand how an Internet of Things (IoT) device collects and handles data. We describe our design methodology, and detail the results of our user study involving 31 participants, ...
Virtual reality (VR) glasses enable to be present in an environment while the own physical body is located in another place. Recent mobile VR glasses enable users to be present in any environment they want at any time and physical place. Still, mobile ...
Interacting with traditional user interfaces can be challenging for people with cognitive impairments. Speech-based conversational interfaces and virtual assistants such as Amazon's Alexa and Apple's Siri might provide great potential for this user ...
Recently, commercial Voice User Interfaces (VUIs) have been introduced to the market (e.g. Amazon Echo and Google Home). Although they have drawn much attention from users, little is known about their usability, user experiences, and usefulness. In this ...
Autism is a rapidly growing problem all over the world. But in the developing countries like Bangladesh, the technological support for Autism is not adequate. The acutest problems children with autism faces are the communication problem. An Android app ...
This work explores the use of pressure-sensing to capture cues of the stress of smartphone users while typing. In a controlled laboratory study, 11 participants were asked to write about a recent stressful and relaxing experience in counterbalanced ...
Commodity mobile devices have front-facing cameras that can be used to precisely track facial expressions, such as winking, which can provide an additional input modality that co-exists with touchscreen input. We evaluate and compare three types of wink-...
Humor appreciation is one of the determinants of individual's mood and can be assessed through jokes. We have developed a functional prototype called Humoris which asks users to select the funniest punchline and register their affective response to the ...
Scentery proposes a novel approach to create calming multisensory environments by displaying visualizations, reproducing audios and activating olfactory sensations. By the use of recent literature, we introduce an initial Emotive Design Taxonomy that ...
With the advent of the low-cost headsets, Virtual Reality (VR) applications have gained enormous attention and popularity. Object selection is the primary task in VR interfaces. Although numerous studies have been done for the selection of objects, ...
The process of installing and removing smartphone apps is simple, but choosing which apps to install or remove requires users' time and effort because users need to categorize and think about which apps they will still use and not use based on their ...
Bornomala AR is an Augmented Reality Application for Android devices which provides a better and easy way to learn Bengali alphabets. This application is developed targeting the children of age 3 to 5 of Bangladesh, to make them more familiar with their ...
Mobile interfaces will be central in connecting end-users to the smart grid and enabling their active participation. Services and features supporting this participation do, however, rely on high-frequency collection and transmission of energy usage data ...
The combination of augmented reality and pervasive games in urban environments can be exploited to enable situated and informal learning through ludic and engaging activities. In this research, we explore how to use such technologies to improve citizens'...
The constant barrage of updates and novel applications to explore creates a ceaseless cycle of new layouts and interaction methods that we must adapt to. One way to address these challenges is through in-context interactive tutorials. Most applications ...
We investigate how a task-sensitive personal assistant on smartphones can support users in public space. Therefore, we designed, implemented, and evaluated airbot, a mobile chatbot providing air travelers with proactive information during flight ...
Research in mobile text entry has long focused on speed and input errors during lab studies. However, little is known about how input errors emerge in real-world situations or how users deal with these. We present findings from an in-the-wild study of ...
Even though Overactive Bladder is a treatable condition (75% of cases can be cured or ameliorated), it remains mostly undertreated due to embarrassment, lack of knowledge or misperceptions. In this paper, we investigate what are the key features of a ...
This paper presents work done within the EU project STARR. Within the framework of the project technologies to empower and support stroke survivors are developed. We report on the iterative development of an outdoor activity game for stroke survivors, ...
We describe the rationale, the design and development of an iOS framework to enhance the end user experience of car-related apps. The car framework fuses the smartphone sensors' raw data to detect user behaviour and car events, and provides relevant and ...
Tablet-based screenings have been shown to enhance diagnostics of symptoms of neuropsychiatric disorders such as Alzheimer's or Parkinsons by providing more diagnostic data through digital media in addition to conventional paper-and-pencil tests. ...
Recent advances allow for driverless cars that do not rely on necessary support systems for humans such as traffic lights. However, humans will still walk the streets in the future, thus we must think about integrating pedestrians into a system of ...
As research on speech interfaces continues to grow in the field of HCI, there is a need to develop design guidelines that help solve usability and learnability issues that exist in hands-free speech interfaces. While several sets of established ...
Graphical user authentication schemes typically require users to draw a secret on a background image or select images on a grid. Although it is known that various image-related attributes affect security and memorability of generated passwords, current ...
Users, unfamiliar with the terminology, technical meaning or intended functionality of mobile ICT may be reluctant to use them and miss out on potential benefits. This also prevents from exploiting the true potential of ICT and hinders the uptake and ...
The spread of smartphones allows us to freely capture video and diverse hardware sensors' data (e.g., accel erometer, gyroscope). While recording such data is relatively simple, it is often challenging to share and restream this data to other people and ...
People have become more aware about their environment and pay more attention to conditions, e.g., air quality, and UV light exposure. Conventional technologies for reading environmental conditions are expensive, bulky, situated, and do not meet people's ...
Using serious games to screen dyslexia has been a successful approach for English, German and Spanish. In a pilot study with a desktop game, we addressed pre-readers screening, that is, younger children who have not acquired reading or writing skills. ...
Visual information can be decoded very fast, letting us perceive and process a large amount of data in parallel. There is a lot of knowledge organized as guidelines and recommendations for GUI design. However, for blind people that perceive the world ...
Capturing natural emotions as they occur in the wild is a known challenge. Participant compliance is often low and often the most important events are not captured. We present a new application design for capturing emotional assessments in the wild, ...
Responsive Snippets is the accompanying software of my recent work on responsive text summarization, an approach to web design aimed at allowing desktop web pages to be read in response to the size of the device a user is browsing with. Responsive ...
We discuss the design and initial evaluation of Gravity of Thought Waterfall, which is designed to be a surprising and creative prototype. Users can control the visual "gravity" effect of the waterfall with an EEG headset. The potentially surprising ...
Staying healthy is one of the most important things in life, and our daily decisions determine how healthy or unhealthy we are. We present PHARA, an augmented reality (AR) mobile assistant that supports decision-making for food products at grocery ...
Networked digital sharing economy services enable the effective and efficient sharing of vehicles, housing, and everyday objects. However, contemporary online sharing platforms face several challenges related to the establishment of trust among peers, ...
Touchscreens are the most successful input method for smartphones. Despite their flexibility, touch input is limited to the location of taps and gestures. We present Palm Touch, an additional input modality that differentiates between touches of fingers ...
Data visualisation is one of the most common mechanisms to explore data. It is therefore no surprise that there are today a broad array of techniques and tools available to visually explore data. However, data may be also perceived through other sensory ...
Drone mission definition for inspection purposes may require the operator or pilot to manage a lot of specific data. This process is time consuming, and validation prior to the flight is highly recommended to be able to fulfil the mission with the ...
We introduce Quiri, a holistic design concept for pain assessment and documentation. In this paper, we present the design studies of two mobile interfaces - a tablet app especially designed for children and adolescents and a smartwatch app for adults ...
Speech synthesis is a key enabling technology for wearable technology. We discuss the design challenges in customising speech synthesis for the Sony Xperia Ear, and the Oakley Radar Pace smartglasses. In order to support speech interaction designers ...
For many people, parking in large indoor venues can be a challenging and demanding task. Advanced positioning technologies and accurate indoor maps offer technical solutions for developing an indoor navigation system that helps drivers with the ...
We propose an intelligent factory training system based on smart AR glasses, with the support of spatial cognition and positioning technology to achieve a simple and intuitive self-learning interface. We have designed four training scenarios including ...
Since its development, the technology acceptance model (TAM) has been adapted for a multitude of different technologies and has proven very useful in a research context. These TAM adaptations are, however, less appropriate in product development since ...
Recent research has been devoted to designing mobile applications that encourage users to complete microtasks in everyday context, known as "mobile crowdsourcing". In this case study, we present our ongoing effort of a publicly-available mobile ...
Mobile apps allow TV viewers to use their smartphone to control and interact with their TV. Our study set out to understand real-world practices of smartphone interaction with TV and uncover reasons people use smartphones instead of their remote ...
My Research explores methods to enhance the reading experience of both digital and physical methods. Up to now in my PhD journey I have designed and developed prototypes using paper as input for digital reading devices. I have been exploring methods to ...
Our research explores a seamless interaction with smart devices, which we divide into three stages: (i) device recognition, (ii) user input recognition, and (iii) inferring the appropriate action to be carried out on the device (cf. Figure 1). We ...
The objective of my research is to investigate how daily objects can be augmented with embedded technologies to support public opportunistic sociality (i.e. social curiosity, awareness, f2f interaction). I investigate how inhabitants of public spaces ...
Advances in technologies have enabled a variety of convenient channels for couples in long-distance relationships to communicate and interact over vast distances. However, the hyper-connectivity can be a double-edged sword. Prior research has pointed ...
Wearables, like augmented reality glasses, are more and more commercially available but uptake has been slow and concerns on social and ethical implications are raised. Current adoption theories can provide insights into the adoption or rejection ...
We report on our research on usable transparency in the context of mobile health (mhealth) tracking. Usable transparency refers to the usability of transparency-enhancing tools (TETs), which seek to aid users of online data services in improving their ...
As mobile technology is embedded in people's collocated social interactions, it has impacts on self-presentation. With a perspective of self-presentation as a performance, we might gain insights into people's everyday practices with augmented personal ...
The aim of this doctoral study is to generate knowledge on how the digital payments ecosystem in India can be (re)designed to benefit the poor. This is not to say that that digital money offers the best solution to drivers' financial problems. Rather, ...