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Article
Open AccessWhat’s kee** teens up at night? Reflecting on sleep and technology habits with teens
Sleep studies suggest that exams, jobs, and technologies keep teens up at night, but little research exists to engage teens in reflecting on their own sleep. We designed a set of cards and a web-based app ‘Sle...
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Chapter and Conference Paper
A Bi-national Investigation of the Needs of Visually Disabled People from Mexico and Japan
Around 2,200 million (2.2 billion) people have some level of visual disabilities, of which 2 million are in Mexico and 13 million in Japan. These significant communities face challenges in several aspects of t...
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Chapter and Conference Paper
HelaDepDet: A Novel Multi-class Classification Model for Detecting the Severity of Human Depression
Depression-driven suicide is a serious social problem. Early identification of depression is vital for the well-being of society. Clinical diagnosis of depression takes a significant amount of time and require...
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Chapter and Conference Paper
Not Just a Matter of Accuracy: A fNIRS Pilot Study into Discrepancy Between Sleep Data and Subjective Sleep Experience in Quantified-Self Sleep Tracking
Quantified-self sleep tracking devices such as Fitbit are gaining great popular in recent years. However, users often complain about the discrepancy between the data collected with sleep trackers and their sub...
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Chapter and Conference Paper
Validation of Omron Wearable Blood Pressure Monitor HeartGuideTM in Free-Living Environments
Hypertension is one of the most common health conditions in modern society. Accurate blood pressure monitoring in free-living conditions is important for the precise diagnosis and management of hypertension. I...
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Article
Validity of Consumer Activity Wristbands and Wearable EEG for Measuring Overall Sleep Parameters and Sleep Structure in Free-Living Conditions
Consumer sleep tracking technologies offer an unobtrusive and cost-efficient way to monitor sleep in free-living conditions. Technological advances in hardware and software have significantly improved the func...
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Chapter and Conference Paper
Investigating Classroom Activities in English Conversation Lessons Based on Activity Coding and Data Visualization
Reflective teaching has become dominant paradigm in second language teacher education, as critical reflection helps teachers achieve a better understanding of teaching and learning processes. Critical reflecti...
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Chapter and Conference Paper
Axis Visualizer: Enjoy Core Torsion and Be Healthy for Health Promotion Community Support
In Japan, the ratio of people with lifestyle-related diseases has increased to approximately 30%. Individuals as well as the Nation are getting more and more health-conscious, and special attention has been ma...
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Chapter and Conference Paper
Designing Intelligent Sleep Analysis Systems for Automated Contextual Exploration on Personal Sleep-Tracking Data
There are many sleep tracking technologies in the consumer market nowadays. These technologies offer rich functions ranging from sleep pattern tracking to smart alarm clock. However, previous study indicates t...
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Article
SleepExplorer: a visualization tool to make sense of correlations between personal sleep data and contextual factors
Getting enough quality sleep is a key part of a healthy lifestyle. Many people are tracking their sleep through mobile and wearable technology, together with contextual information that may influence sleep qua...
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Chapter and Conference Paper
Health Promotion Community Support for Vitality and Empathy: Visualize Quality of Motion (QoM)
Nowadays approximately 30 % of the population is suffering from lifestyle-related diseases in Japan. Both individuals and the government are becoming more and more health-conscious and are taking various meas...
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Chapter and Conference Paper
A Cloud-Based Intelligent Computing System for Contextual Exploration on Personal Sleep-Tracking Data Using Association Rule Mining
With the development of wearable and mobile computing technology, more and more people start using sleep-tracking tools to collect personal sleep data on a daily basis aiming at understanding and improving the...
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Chapter and Conference Paper
Speed-Volume Relationship Model for Speed Estimation on Urban Roads in Intelligent Transportation Systems
Estimating average speed on roads is required by many applications in Intelligent Transportation Systems. In spite of abundant researches done on speed estimation on highways, there is only limited effort made...
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Article
Open AccessReal-time urban traffic amount prediction models for dynamic route guidance systems
The route guidance system (RGS) has been considered an important technology to mitigate urban traffic congestion. However, existing RGSs provide only route guidance after congestion happens. This reactive stra...
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Chapter and Conference Paper
Automatic Route Shortening Based on Link Quality Classification in Ad Hoc Networks
The highly dynamic topology of an ad hoc network often causes route redundancy in the network. Several route shortening methods have been proposed to eliminate the redundancy. However, the existing works do no...
