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The uses of handheld mobile devices are diverse, yet interaction is not; touchscreens are the singular primary interface on most mobiles. Touch interaction has usability issues (e.g., the “fat fingers problem”) which impair the fine control of small ...

Informal learning at museums are an important complement to formal school learning. Children arriving on field trips can expand their knowledge, and gain new understanding and perspectives of real world phenomena. Electronic mobile applications are ...

We introduce PoCoPo, the first handheld pin-based shape display that can render various 2.5D shapes in hand in realtime. We designed the display small enough for a user to hold it in hand and carry it around, thereby enhancing the haptic experiences in a ...

This study presents a new method for estimating the physical distance between two locations using Wi-Fi signals from APs observed by Wi-Fi signal receivers such as smartphones. We assume that a Wi-Fi signal strength vector is observed at location A and ...

We present EXHI-bit, a mechanical structure for prototyping unique shape-changing interfaces that can be easily built in a fabrication laboratory. EXHI-bit surfaces consist of inter-weaving units that slide in two dimensions. This assembly enables the ...

This paper reports on a research project that combined cognitive task analysis (CTA) methods with innovative design processes to develop a handheld device application enabling a non-aviator to interact with a highly autonomous resupply helicopter. In ...

We present Portallax, a clip-on technology to retrofit mobile devices with 3D display capabilities. Available technologies (e.g. Nintendo 3DS or LG Optimus) and clip-on solutions (e.g. 3DeeSlide and Grilli3D) force users to have a fixed head and device ...

Copy-Paste (CP) operations on touchscreen smartphones are not as easy to perform as compared with similar operations on desktop computers. The smaller screen size and input area make both text selection and application switching more difficult to ...

This paper introduces an interface that helps understand the correspondence between the patient and medical images. Surgeons determine the extent of resection by using tomographic images such as MRI (Magnetic Resonance Imaging) data. However, ...

This paper proposes an interface that helps understanding the correspondence between the patient and medical images. In our proposed method, we have developed an interactive visualizer for tomographic images based on the relative position and ...

In this study, an experiment has been conducted in two elementary schools with 9 teachers and 203 students involved to identify the potential issues when initiatively utilizing eTextbooks in 14 classes by using a mix-method design of lecture video coding,...

The emerging eTextbooks have attracted a lot of research, but the functions of eTextbooks are still not clear for utilizing them in classroom. In this study, based on the findings from a three-round Delphi study, we explored the functions of eTextbooks ...

The use of handheld devices to access the World Wide Web has been increased significantly in recent years. It is time consuming to seek information when desktop-oriented webpages that contain tons of information are squeezed to be displayed on a ...

The proliferation of touchscreen devices has made soft keyboards a routine part of life. However, ultra-small computing platforms like the Sony SmartWatch and Apple iPod Nano lack a means of text entry. This limits their potential, despite the fact they ...

Here, we present our recent attempt to develop a lightweight handwriting recognizer suitable for resource constrained handheld devices. Such an application requires real-time recognition of handwritten characters produced on their touchscreens. The ...

We describe and evaluate two methods for device pose classification and walking speed estimation that generalize well to new users, compared to previous work. These machine learning based methods are designed for the general case of a person holding a ...

Touch interaction has quickly become the de-facto means of interacting with handheld devices due to its perceived attractiveness and low hardware cost. This study proposes a strategy for identifying users based on touch dynamics. Users' touch behavior ...

In pen-based interfaces, inking and gesturing are two central tasks, and switching from inking to gesturing is an important issue. Previous studies have focused on mode switching in pen-based desktop devices. However, because pen-based handheld devices ...

In recent years, handheld devices have shown great impact in improving the quality of care by offering anytime, anywhere access to clinical information and at the same time by providing data capture facility in limited infrastructure. To see such ...

iPrompts® is a software application for handheld devices that provides visual support to individuals with Autism Spectrum Disorders (ASDs). Caregivers use the application to create and present visual schedules, visual countdown timers, and visual ...