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The ultimate goal of automatic diet monitoring systems (ADM) is to make food journaling as easy as counting steps with a smartwatch. To achieve this goal, it is essential to understand the utility and usability of ADM systems in real-world settings. ...

Self-tracking is a powerful means to help individuals monitor and improve their behaviors. While numerous tracking technologies are available, it has been challenging to lower the tracking burden whilst promoting reflection. This is because low-burden ...

Persuasive features are often used in food journaling apps to help people reach various personal goals. Our understanding of persuasive design in food journaling apps has primarily been built from studying and designing apps in Western contexts. However, ...

Support from family members is an important determinant of health. In this work, we probe opportunities for facilitating family support with TableChat, a chat-based mobile application for food journaling. Leveraging food as a test case of family support, ...

A food journal is essential for improving health and well-being. However, journaling every meal is extremely difficult because it depends on user initiative and intervention. Current approaches to food journaling are both potentially inaccurate and ...

Increasingly people use mobile phones many times daily. This makes the phone's lockscreen almost ambient, part of everyday life. This work explores how to use that valuable ambience of the lock-screen to help people maintain awareness of, and to track ...

In this paper, we describe the progressive design of the gesture recognition module of an automated food journaling system -- Annapurna. Annapurna runs on a smartwatch and utilises data from the inertial sensors to first identify eating gestures, and ...

By enabling people to track their lifestyles, including activity level, sleeping, and diet, technology helps clinicians to treat patients suffering from "lifestyle diseases." However, despite its importance compared to other lifestyle factors, it is not ...

In this work we study the feasibility and usability of an assistive food journaling system that sends users just-in-time reminders when unique hand gestures during food consumption are detected using a smartwatch. Our study shows that participants were ...

Food journaling is an effective way to regulate excessive food intake. However manual food journaling is burdensome, and crowd-assisted food journaling has been explored to ease user burden. The crowd-assisted journaling uses a label & verify approach ...

Personal informatics is becoming increasingly prevalent. The lived informatics perspective considers the everyday behaviors people experience while tracking, such as switching tools, forgetting to track, or giving up on tracking. My work furthers theory,...

Recognizing when eating activities take place is one of the key challenges in automated food intake monitoring. Despite progress over the years, most proposed approaches have been largely impractical for everyday usage, requiring multiple on-body ...

Dietary self-monitoring has been shown to be an effective method for weight-loss, but it remains an onerous task despite recent advances in food journaling systems. Semi-automated food journaling can reduce the effort of logging, but often requires that ...

Logging dietary intake has been shown to be of benefit to individuals and health researchers, but a practical and objective system for food logging remains elusive despite decades of research. My thesis is that emerging wearable devices such as life-...