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Walking is a cyclic pattern of alternating footstep strikes, with each pair of steps forming a stride, and a series of strides forming a gait. We conduct a systematic examination of different kinds of intentional variations from a normal gait that could ...

As mobile user interfaces (UI) become feature-rich, navigation gets more complex. Finding features quickly starts demanding information-intensive strategies for decision-making—which can be challenging for older adults. Older adults examine fewer ...

This article tackles two challenges of the empirical evaluation of interaction techniques that rely on user memory, such as hotkeys, here coined Recall-based interaction techniques (RBITs): (1) the lack of guidance to design the associated study ...

Designing interaction techniques for end-users often involves exploring vast design spaces while balancing many objectives. Bayesian optimization offers a principled human-in-the-loop method for selecting designs for evaluation to efficiently explore such ...

Augmented reality head-worn displays (AR HWDs) of the near future will be worn all day every day, delivering information to users anywhere and anytime. Recent research has explored how information can be presented on AR HWDs to facilitate easy ...

Object manipulation in 3D space, meaning translating, rotating, and scaling, is ubiquitous in virtual reality (VR), and several interaction techniques have been developed in the past to optimize the task performance and usability. However, preliminary ...

Choosing colors is a pivotal but challenging component of graphic design. The paper presents an intelligent interaction technique supporting designers’ creativity in color design. It fills a gap in the literature by proposing an integrated technique for ...

Understanding users’ subjective feelings is vital for Virtual Reality (VR) research, and questionnaire is one of the common used approaches to obtain subjective feedback. Embedding questionnaires into VR systems has been shown effective in reducing the ...

Today touchscreens are one of the most common input devices for everyday ubiquitous interaction. Yet, capacitive touchscreens are limited in expressiveness; thus, a large body of work has focused on extending the input capabilities of touchscreens. One ...

We present EdgeSelect, a linear target selection interaction technique that utilizes a small portion of the smartwatch display, explicitly designed to mitigate the ‘fat finger’ and screen occlusion problems, two of the most common and well-known ...

Various haptic feedback techniques have been explored to enable users to interact with their virtual surroundings using their hands. However, investigation on interactions with virtual objects slipping against the skin using skin-slip haptic feedback ...

Future augmented reality (AR) glasses may provide pervasive and continuous access to everyday information. However, it remains unclear how to address the issue of virtual information overlaying and occluding real-world objects and information that are ...

Virtual and augmented reality devices and applications have enabled the user to experience a variety of simulated real-life experiences through first-person visual, auditory, and haptic feedback. However, among the numerous everyday interactions that ...

We investigate how smartphones can be used to mediate the manipulation of smartphone-based content in spatial augmented reality (SAR). A major challenge here is in seamlessly transitioning a phone between its use as a smartphone to its use as a ...

The objective of our work is to design a new user-centered design (UCD) methodology in the field of design of assistive systems for multiple disabilities people who live in specialized care homes. We have adopted a specific approach by integrating ...

We present SmartCom, a combination of a smartphone and the traditional physical keyboard to enhance command selection by 1) eliminating occlusion, 2) reducing command discoverability time and 3) reducing homing cost. We performed a reachability study to ...

Progresses on autonomous vehicles suggest a future where they will share urban environments with fragile road users such as pedestrians, cyclists and two wheelers. In this article, we focus on the visual external Human-Machine Interface (eHMI) of ...

Sliders are ubiquitous in everyday environment, whether on our mobile devices or in objects such as the control of a sound system. The tactile feedback they offer is still very limited, even though we often use them eyes-free. In order to inform the ...

Graphics are useful in many contexts of daily life (education, mobility, etc.) and spread widely in digital media. However, accessing to digital graphical information remains a challenging work to people with visual impairments. In this study, we were ...

People often switch hands while holding their phones, based on task and context. Ideally, we would be able to detect which hand they are using to hold the device, and use this information to optimize the interaction. We introduce a method to use built-...