Sinan Chen
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View article: Towards Sensor-Based Mobility Assessment for Older Adults: A Multimodal Framework Integrating PoseNet Gait Dynamics and InBody Composition
Towards Sensor-Based Mobility Assessment for Older Adults: A Multimodal Framework Integrating PoseNet Gait Dynamics and InBody Composition Open
The acceleration of global population aging has driven a surge in demand for health monitoring among older adults. However, traditional mobility assessment methods mostly rely on invasive measurements or laboratory-grade equipment, making …
View article: Implementing Finger Movement Measure System with Music-Gamification Elements
Implementing Finger Movement Measure System with Music-Gamification Elements Open
Dexterity of the fingers is crucial in physical function, as it directly impacts daily activities and is closely connected to cognitive function. The production of brain-derived neurotrophic factor (BDNF) is related to the fingertips in mo…
View article: Vision-Based Assessment of Skeletal Muscle Decline: Correlating Gait Variance with SPPB Performance
Vision-Based Assessment of Skeletal Muscle Decline: Correlating Gait Variance with SPPB Performance Open
Background: With the global population aging, the proportion of the elderly is increasing, leading to health challenges. The decline in the elderly’s physical function raises their fall risk, which affects their health and burdens the heal…
View article: A Review of Multimodal Interaction in Remote Education: Technologies, Applications, and Challenges
A Review of Multimodal Interaction in Remote Education: Technologies, Applications, and Challenges Open
Multimodal interaction technology has become a key aspect of remote education by enriching student engagement and learning results as it utilizes the speech, gesture, and visual feedback as various sensory channels. This publication reflec…
View article: Digital Human Technology in E-Learning: Custom Content Solutions
Digital Human Technology in E-Learning: Custom Content Solutions Open
With advances in digital transformation (DX) in education and digital technologies becoming more deeply integrated into educational settings, global demand for video-based learning materials continues to rise, resulting in substantial effo…
View article: Enhancing Sustainable AI-Driven Language Learning: Location-Based Vocabulary Training for Learners of Japanese
Enhancing Sustainable AI-Driven Language Learning: Location-Based Vocabulary Training for Learners of Japanese Open
With the rapid advancement of mobile technology, e-learning has expanded significantly, making language learning more accessible than ever. At the same time, the rise of artificial intelligence (AI) technologies has opened new avenues for …
View article: Evaluating Feasibility of Pose Detection with Image Rotation for Monitoring Elderly People at Home
Evaluating Feasibility of Pose Detection with Image Rotation for Monitoring Elderly People at Home Open
This study aims to enhance human pose detection performance through image preprocessing. With the growing global elderly population, supporting in-home elderly individuals has become increasingly crucial, especially in Japan, where approxi…
View article: Enhancing Personalized Service Development with Virtual Agents and Upcycling Techniques
Enhancing Personalized Service Development with Virtual Agents and Upcycling Techniques Open
In this study, aimed at achieving Society 5.0, we explore efficient development methods for services tailored to individual user needs. The diversification of user demographics has led to swiftly changing service demands, increasing the ne…
View article: Long-Term Fine-Grained Forecasts of Emergency Demand Using EMS Big Data and Population Estimates
Long-Term Fine-Grained Forecasts of Emergency Demand Using EMS Big Data and Population Estimates Open
In recent years, Japan has been facing a super-aging society, impacting various sectors. The issues of overcrowded emergency medical services and the increase in emergency transport cases are particularly severe, necessitating urgent respo…
View article: Needs Companion: A Novel Approach to Continuous User Needs Sensing Using Virtual Agents and Large Language Models
Needs Companion: A Novel Approach to Continuous User Needs Sensing Using Virtual Agents and Large Language Models Open
In today’s world, services are essential in daily life, and identifying each person’s unique needs is key to creating a human-centered society. Traditional research has used machine learning to recommend services based on user behavior log…
View article: Towards Context-aware Support for Color Vision Deficiency: An Approach Integrating LLM and AR
Towards Context-aware Support for Color Vision Deficiency: An Approach Integrating LLM and AR Open
People with color vision deficiency often face challenges in distinguishing colors such as red and green, which can complicate daily tasks and require the use of assistive tools or environmental adjustments. Current support tools mainly fo…
View article: Developing Elderly Stress-Relief Service using Personalized Videos and Spoken Dialogue Agent
Developing Elderly Stress-Relief Service using Personalized Videos and Spoken Dialogue Agent Open
Our research group is conducting research of a system to support the lives of the elde rly at home. We developed “Rakuraku Video Service"(Rakuraku means easy.), a service that obtains information on the interests and preferences of elderly…
View article: SUCCEED: Sharing Upcycling Cases with Context and Evaluation for Efficient Software Development
SUCCEED: Sharing Upcycling Cases with Context and Evaluation for Efficient Software Development Open
Software upcycling, a form of software reuse, is a concept that efficiently generates novel, innovative, and value-added development projects by utilizing knowledge extracted from past projects. However, how to integrate the materials deri…
View article: Review of: "Chatbots: A review of their potential applications in library services"
Review of: "Chatbots: A review of their potential applications in library services" Open
Potential competing interests: No potential competing interests to declare.This article focuses on the potential application of chatbots in library services.To improve the quality of the article, the reviewer makes the following comments.(…
View article: Exploiting Motivation Subscales for Gamification of Lifelogging Application
Exploiting Motivation Subscales for Gamification of Lifelogging Application Open
Continuous data input is essential for lifelogging services, where users input their daily records. But whether the user can continuously input data depends mainly on the user's motivation. This article presents a new method of introducing…
View article: Composition, Properties, and Utilization of Fumaric Acid Sludge By-Produced from Industrial Phthalic Anhydride Wastewater Treatment
Composition, Properties, and Utilization of Fumaric Acid Sludge By-Produced from Industrial Phthalic Anhydride Wastewater Treatment Open
To understand fumaric acid sludge (FAS) systematically and comprehensively and find out how to utilize it, we conducted a series of characterization analyses on FAS. Fourier transform infrared (FT-IR) Spectra shows that the main component …
View article: Consecutive and Effective Facial Masking Using Image-Based Bone Sensing for Remote Medicine Education
Consecutive and Effective Facial Masking Using Image-Based Bone Sensing for Remote Medicine Education Open
Unlike masking human faces from images, facial masking in real-time, frame by frame from a video stream, presents technical challenges related to various factors such as camera-to-human distance, head direction, and mosaic schemes. In many…
View article: Gel Stability of Calcium Bentonite Suspension in Brine and Its Application in Water-Based Drilling Fluids
Gel Stability of Calcium Bentonite Suspension in Brine and Its Application in Water-Based Drilling Fluids Open
With the development of the oil industry and the increasingly complex drilling environment, the performance of drilling fluids has to be constantly improved. In order to solve the problem of bentonite dispersion and hydration in a saline m…
View article: Assisting Personalized Healthcare of Elderly People: Developing a Rule-Based Virtual Caregiver System Using Mobile Chatbot
Assisting Personalized Healthcare of Elderly People: Developing a Rule-Based Virtual Caregiver System Using Mobile Chatbot Open
To assist personalized healthcare of elderly people, our interest is to develop a virtual caregiver system that retrieves the expression of mental and physical health states through human–computer interaction in the form of dialogue. The p…
View article: Synthesis and Weak Hydrogelling Properties of a Salt Resistance Copolymer Based on Fumaric Acid Sludge and Its Application in Oil Well Drilling Fluids
Synthesis and Weak Hydrogelling Properties of a Salt Resistance Copolymer Based on Fumaric Acid Sludge and Its Application in Oil Well Drilling Fluids Open
Fumaric acid sludge (FAS) by-produced from phthalic anhydride production wastewater treatment contains a large amount of refractory organic compounds with a complex composition, which will cause environmental pollution unless it is treated…
View article: Uni-Messe: Unified Rule-Based Message Delivery Service for Efficient Context-Aware Service Integration
Uni-Messe: Unified Rule-Based Message Delivery Service for Efficient Context-Aware Service Integration Open
Rule-based systems, which are the typical technology used to realize context-aware services, have been independently implemented in various smart services. The challenges of these systems are the versatility of action, looseness, and the c…
View article: Preparation and application of an environmentally friendly compound lubricant based biological oil for drilling fluids
Preparation and application of an environmentally friendly compound lubricant based biological oil for drilling fluids Open
As the basic raw material of bio-oil based eco-friendly lubricant, a special selected by-product vegetable acidified oil (AO) was modified by vulcanization, esterification, or vulcanization followed by esterification. The optimized vulcani…
View article: Toward Capturing Scientific Evidence in Elderly Care: Efficient Extraction of Changing Facial Feature Points
Toward Capturing Scientific Evidence in Elderly Care: Efficient Extraction of Changing Facial Feature Points Open
To capture scientific evidence in elderly care, a user-defined facial expression sensing service was proposed in our previous study. Since the time-series data of feature values have been growing at a high rate as the measurement time incr…