Yan Luximon

• PhD
• Professor (Associate) at The Hong Kong Polytechnic University

Recent studies have increasingly focused on using virtual reality (VR) exercise video games (exergames) to boost motivation for physical activity among the elderly. However, there is little discussion about the factors influencing the performance and effort expectancy of immersive exergames in older adults. The study was based on the Unified Theory...

The increasing interest surrounding 3D human heads for digital avatars and simulations has highlighted the need for accurate internal modeling rather than solely focusing on external approximations. Existing approaches rely on traditional optimization techniques applied to explicit 3D representations like point clouds and meshes, leading to computa...

Real-time goal collaboration represents a promising approach to human-vehicle cooperative driving ; however, it remains underexplored. To address this gap, we introduced an innovative human-vehicle cooperative approach and designed four interactive types with increasing autonomous levels to implement it. Additionally, we proposed seven interface de...

In recent studies of 3D shape modelling and reconstruction, the focus has primarily been on the 3D face region. However, accurately creating the entire 3D head opens up a wide range of applications, including headwear design, cranial diagnosis, and avatar design. Therefore, we present our newly developed method of constructing 3D comprehensive morp...

Realistic simulation of dynamic scenes requires accurately capturing diverse material properties and modeling complex object interactions grounded in physical principles. However, existing methods are constrained to basic material types with limited predictable parameters, making them insufficient to represent the complexity of real-world materials...

Head-related product design is significantly enhanced by a thorough understanding of the morphological differences in human heads between genders. Existing head variation studies primarily focus on overall size and facial landmarks originating from facial recognition technologies, limiting the scope to facial features. Our research proposes a more...

A key factor in determining the comfort level of eyeglasses is the clamping force at the temple. However, how to accurately measure and estimate the clamping force remains under-explored. Hence, to address this gap, we proposed a novel temple clamping force measurement method with a digital tension meter and developed a mathematical model to calcul...

As a technical application in artificial intelligence, a social robot is one of the branches of robotic studies that emphasizes socially communicating and interacting with human beings. Although both robot and behavior research have realized the significance of social robot design for its market success and related emotional benefit to users, the s...

Introduction: Anxiety and depression are prevalent among older adults, and digital interactive interventions have shown promise in promoting their mental well-being. However, limited research has explored the effects of different types of digital interactive interventions across various devices on anxiety and depression in older adults with differe...

Introduction: Smart healthcare technologies exhibit the great potential to support older Hong Kong adults with their health problems. Although there are various smart healthcare technologies in the Hong Kong market, and some adoption predictors have been proposed and investigated, little is known about older users' views on and real-life experienc...

Background Sensor-based interventions (SI) have been suggested as an alternative rehabilitation treatment to improve older adults’ functional performance. However, the effectiveness of different sensor technologies in improving gait and balance remains unclear and requires further investigation. Methods Ten databases (Academic Search Premier; Cumu...

Eyeglasses are critical for correcting and protecting the vision of children with myopia/hyperopia. Children's heads grow as their age increases, which can easily cause improperly fitting and uncomfortable eyeglasses. Hence, better sizing for children's eyeglasses is needed, but to date this topic is underexplored. To solve this, we proposed a comf...

Due to the prolonged focus on mobile phones or computers, people are exposed to a higher risk of neck issues. To avoid the radiation exposure of CT (Computed Tomography) scans, the MRI (magnetic resonance imaging) facilities with a lying posture were explored in this pilot study with 5 participants and three head postures (flexion, neutral, and ext...

The human face is one of the most powerful communication tools, especially when people meet for the first time. Facial perception can be influenced by many factors. Although fMRI has been used to study the neural mechanisms when people look at pictures, how people perceive facial stimuli under different movements has not been studied in detail. In...

Although the utilization of mobile technologies has recently emerged in various educational settings, limited research has focused on cognitive load detection in the pen‐based learning process. This research conducted two experimental studies to investigate what and how multimodal data can be used to measure and classify learners' real‐time cogniti...

Background: The last decade has witnessed the rapid development of health care conversational agents (CAs); however, there are still great challenges in making health care CAs trustworthy and acceptable to patients. Objective: Focusing on intelligent guidance CAs, a type of health care CA for web-based patient triage, this study aims to investig...

Social robots serve as autonomous systems for performing social behaviors and assuming social roles. However, there is a lack of research focusing on the specific measurement of facial trustworthiness toward anthropomorphic robots, particularly during initial interactions. To address this research gap, a hybrid deep convolution approach was employe...

As the metaverse develops rapidly, 3D facial age transformation is attracting increasing attention, which may bring many potential benefits to a wide variety of users, e.g., 3D aging figures creation, 3D facial data augmentation and editing. Compared with 2D methods, 3D face aging is an underexplored problem. To fill this gap, we propose a new mesh...

Modeling the quantified relationships between anthropometric/product parameters and human perceptions provides research-driven guidelines for mass customization and personalization of ergonomic products. In particular, such models are critical for designing children’s eyeglasses; however, they are still underexplored. This study examined children’s...

The temple clamping force is an important factor to affect fit and comfort for most eyewear. In reality, the temple height is too small (1.0~6.0 mm) and the clamping force is also small (0.0~1.0 N). However, because for the available force sensors, their diameters of sensing area are usually larger than the temple height, and their lowest measurabl...

In the field of face/head-related product design, 3D statistical models (3DSMs) of human heads and faces are widely used to model geometric variations, generate representative models and reconstruct the head geometries of a target population. They therefore have many applications to head-related products, including ergonomic product design, sizing...

Following the evolution of technology and its application in various daily contexts, social robots work as an advanced artificial intelligence (AI) system to interact with humans. However, limited research has been done to discuss the role of emotional expressions and contextual cues in influencing anthropomorphic trustworthiness, especially from t...

Kinesiology tape is a thin, flexible relatively new intervention for treating a variety of injuries such as relieving pain, reducing swelling and inflammation, and providing support to joints and muscles. However, there is little study to support the material composition and structural properties as well as the physical strength and comfort propert...

3D head completion aims at recovering accurate 3D full-head geometry from 2D face images or 3D face scans. Previous 3D shape reconstruction studies primarily focused on the facial region, but ignored the scalp region. Moreover, as critical foundations in 3D head completion, powerful 3D head morphable models, however, are scarce. In this paper, we c...

BACKGROUND The last decade has witnessed the rapid development of health care conversational agents (CAs); however, there are still great challenges in making health care CAs trustworthy and acceptable to patients. OBJECTIVE Focusing on intelligent guidance CAs, a type of health care CA for web-based patient triage, this study aims to investigate...

To design high-quality head/face-related products for children, it is essential to be able to construct 3D geometric models of their head growth patterns and variations. However, compared to 3D anthropometric analysis of adults’ heads, this is still an underexplored research area. This study developed a framework for modeling the 3D geometric growt...

Wearable products require additional considerations in design for utilitarian and aesthetic requirements. The wearable designs which are exposed to others while wearing need a fashion value for being trendy, therefore, widely appreciated by the audience. During the pandemic (Covid-19), face masks are considered to be mandatory for outdoors and indo...

Objective: This research aims to investigate the effectiveness of wayfinding information (destination reference images) in real-time complex environmental settings through the syntheses of mobile and static information sources. This investigation will help in improving the wayfinding information design for complex institutional environments which...

Designing products and services to fit human needs, wants and lifestyle require meaningful data. With Industry 4.0 and the internet of things, we have many ways to capture data using sensors and other means. InfraRed (IR) cameras are quite ubiquitous, especially for screening illness and wellness. They can provide a wealth of data on different obje...

Mobile medical platforms (MMPs) can make medical services more accessible and effective. However, the patient-centered factors that influence patients’ acceptance of MMPs are not well understood. Our study examined the factors affecting patients’ acceptance of MMPs by integrating the theory of planned behavior (TPB), the technology acceptance model...

Background exergaming-based interventions (EbIs) have been proposed to improve older adults’ mobility and balance performance. However, the effectiveness of such interventions for older adults with Parkinson’s disease (OAPD) remains unclear. Methods seven databases (Web of Science, Medline, Academic Search Premier, CINAHL Complete, PsycINFO, Psych...

The worldwide population is aging, even though more and more elderly people are living independently and alone. Moreover, pandemics such as COVID-19 are putting enormous pressure in health care systems all around the world. To deal with the growing elderly population and health care challenges, there is an emerging focus on technology and IT produc...

Smart health care technologies (SHCTs) can assist older adults to manage their health and acquire convenient medical and caring services, which can support older adults to live healthy and independent lives. Currently, there are various kinds of SHCTs, such as smart wearable devices, smart health monitors, health care applications, and nursing and...

3D parametric head models and 3D anthropometric analyses are essential in designing head-related products. Existing 3D parametric head modeling only analyzes sex-based dimension and shape variances but ignores age-related effects. Thus, we developed detailed 3D statistical models of adults' heads based on 1496 3D head scans of Chinese individuals a...

The interface metaphor was suggested to facilitate a user’s mental model development while navigating, whereas its effectiveness is still unknown among the group of older adults. We developed an experiment to investigate how older adults navigate the mobile interfaces with and without metaphors, by evaluating the possible effects of users’ perceptu...

Anthropometric knowledge of the 3D head forms is essential for the individual headgear customization. In 3D complete-head scanning, the face region is easily captured, but the scalp region is usually missed, because of the low hair transmissivity. Most existing methods use a tight cap to address this problem, which is inconvenient and uncomfortable...

Purpose The efficient delivery of environmental information to wayfinders in complex environments is a challenge for information designers. Wayfinding tasks can be quite strenuous and frustrating in the visual absence of dedicated wayfinding information. This study aims to explore the behaviour regarding the use of wayfinding information by navigat...

Facial shape classification is of crucial importance in facial characteristics analysis and product recommendation. In this paper, we develop a 3D-guided facial shape clustering and analysis method to classify facial shapes without supervision, which is more reliable and accurate. This method consists of four steps: 3D face reconstruction, facial s...

Understanding of product-soft tissue interface and related discomfort is essential while designing wearable devices. Although pressure thresholds at the perception of discomfort and pain have been measured in the past, associated tissue deformation is yet to be studied. This data can provide a holistic understanding of user discomfort and be a valu...

Mobile medical consultations are increasingly prevalent, offering various benefits. However, there is still inadequate research about how to build trust in the impersonal patient–physician interaction. This study attempted to facilitate impersonal patient–physician interactions by investigating the effects of social cue design and privacy concerns...

In the past only health care professionals wore facemasks daily, but in recent times almost all citizens of many countries are expected to wear facemasks to reduce infection at work and in public. Because of SARS and now COVID-19, facemasks have become an essential personal protective equipment to fight against infectious disease. Frequent use of m...

Helmets are often recommended as primary safety equipment for protecting the head. Several studies have been conducted to test the effectiveness of different impact-absorbing liner materials and their response to high impact loading. The standard helmets have an impact-absorbing liner of a single material, which may not be the best design approach....

Wearable products require additional considerations in design for utilitarian and aesthetic requirements. The wearable designs which are exposed to others while wearing need a fashion value for being trendy, therefore, widely appreciated by the audience. During the pandemic (Covid-19), face masks are considered to be mandatory for outdoors and indo...

Measurement of pressure threshold has found its applications in the fields of medical sciences and product design. Hence it has been a profound area of research interest for several decades. However, hardly any detailed investigation has been undertaken to measure the pressure threshold in the head region. In this study, Pressure Discomfort Thresho...

Anthropometry and human perception lie at the core of the ergonomic design process. Until now, relevant studies have been quite restricted, being unable to provide a holistic view of the perceived comfort and fit for ear-related products. The study examined the perceived comfort and fit using factor analysis and established a linkage between anthro...

With the continuous development of science and technology, informatization has begun to blend into people’s daily lives. In today’s era, medical treatment has also begun to develop in the direction of digitalization and informatization. Blood sample collection is a common detection method in clinical treatment. At present, blood sample collection i...

It is increasingly popular to access health professionals through mobile medical consultations (MMCs). However, few studies on trust building during MMCs were found. To fill this gap, this study conducted an online survey study with 108 users of MMCs in China. We investigated the predictors of two types of trust (i.e., trust in physicians and trust...

In the current situation of covid-19 pandemic, the supply and demand relationship of medical resources in various hospitals is unstable. However, people's needs for understanding their health status are increasing. The purpose of this project is to assist telemedicine so that people can check their health at home. So, we proposed a civilian medical...

As the nature of human-robot relationships have become increasingly bound to shift from supervisor–machine to friend–companion, people have exhibited an increasing interest in making social judgments toward such anthropomorphic objects, such as trustworthiness. However, the facial features of social robots and their potential effect on anthropomorp...

The distance education and online learning have received increasing attention in recent years. However, due to the spatial separation and time differences brought by online learning spaces, the efficiency of the interaction between peers and instructors can be significantly decreased, especially for online collaborative design activities. The onlin...

With the rapid development of wireless technology, mobile phones are becoming widespread at all levels in the society. Advancement in technology is leading to people's over-dependence on mobile phones and in many cases emergence of mobile phone addiction. Therefore, the purpose of this project is to explore an interactive way to relieve the excessi...

The disabled elderly people are a major part of the overall disabled people in China. The demand for elderly care is growing rapidly. The manual requirements for nursing staffs are also increasing rapidly. Therefore, this situation places a higher demand on rehabilitation products, especially nursing beds. However, traditional nursing beds cannot m...

Social context is a vital component of Human-Computer Interaction (HCI) design for security; however, there is little discussion about how to provide security functions based on the social context. This study examines the fit between security design and social contexts in mobile payment applications by investigating preferences and perceptions of s...

As one of the latest applications in the era of artificial intelligence, a social robot is playing a more and more important role in our daily life. However, few attempts to date have been made to explore how robot facial appearance, particularly the facial width-to-height ratio (fWHR) and face shape of a robot, influence people's evaluation, such...

Although many app-based textbooks are available for students, reading have not been thoroughly outlined. This study aimed to understand how changes from paper to electronic textbooks have affected the academic reading task, investigate student users’ perceptions of in-app components and screen sizes, and identify issues affecting in-app components...

Trust or trustworthiness, as one of the personalities categories, does not belong to human exclusively. Instead, consumers could also perceive product trustworthiness, as product personality. Based on the theory of value sensitive design, spectatorship, and identity, the current study tries to answer three research questions: Why do we need to intr...

The shoe last, a 3D mold for making shoes, is the least understood by shoe designers. A shoe last not only influences style and fashion, but also comfort and fit. This chapter briefly discusses the design of shoe lasts including definitions and shoe last main design curves. The main purpose of this chapter is to provide shoe-last templates for diff...

Footwear design, manufacturing, and production is entering a new phase of revolution with shorter design and manufacturing cycles. Although consumers expect shorter lead time, they are also becoming more and more demanding in terms of style, comfort, and fit. Consumers are very aware of 3D technologies and hence they expect the use of 3D technologi...

Shoe last is an aided model for shoemaking. In modern footwear industry, shoe technology consists of three parts: the design and manufacture of shoe last, the design and manufacture of upper pattern, and the design and manufacture of sole and other accessories. The design and manufacture of shoe last is the core of shoe technology. First, the desig...

The human foot is very complex, and the development of digital models is still at its infancy. Different researches are being carried out and the results are presented in a simplified form. Furthermore, in many cases, research results from different groups vary widely because of different data samples, gender, age, etc. This chapter provides some s...

In order to have a perfect fit, it is important to make individual shoes. However, this is expensive and unaffordable for most people. On the other hand, it would be ideal for companies to only make one pair of shoes for each style to fit everyone, however, most people will not have a good fit in this case. Therefore, in order to create shoes for a...

This book brings together experts from different areas to show how creativity drives design and innovation in different kind of businesses. It presents theories and best practices demonstrating how creativity generates technological invention, and how this, combined with entrepreneurship, leads to business innovation. It also discusses strategies t...

Signage design has been considered critically important for wayfinding, being a functional medium of delivering environmental information. Complex institutional environments have several factors affecting the wayfinding, including but not limited to the design of information signage and its visual preference. Visual preferences of information desig...

As an emerging artificial intelligence system, social robot could socially communicate and interact with human beings. Although this area is attracting more and more attention, limited research has tried to systematically summarize potential features that could improve facial anthropomorphic trustworthiness for social robot. Based on the literature...

The Nanoparticle (NP) and their oxides are being progressively used and expected to be more frequently used in textiles. Nanoparticle (NP) has higher toxicological risk than larger particles because of their physicochemical properties, chemical reactivity and biological activity. In fact, the stability of nano-oxide particles in the medium is alway...

A realistic three‐dimensional (3D) computational model of skin flap closures using Asian‐like head templates from two different genders, male and female, has been developed. The current study aimed to understand the biomechanics of the local flap designs along with the effect of wound closures on the respective genders. Two Asian head templates fro...

Rehabilitation training is a crucial part that helps stroke patients to train their muscles and rebuild the connection between muscle, nervous system and brain. This study conducts an ergonomic redesign of hand rehabilitation products based on the interview investigation to the user behavior and psychology during the training rehabilitation. The dr...

Sizing and grading are very important in footwear production, directly influencing the fit and comfort of footwear. Currently, the footwear industry relies on traditional sizing and grading systems, which vary around the world. Modern measuring technologies, such as 3D scanning and modeling, are starting to be used in footwear mass production. Sizi...

Design creativity is the process or result of extending, presenting and interpreting creative ideas and concepts in a design way, the role of design creativity in corporate creativity activities has drawn increasing attention from the academic community. However, limited research has tried to holistically summarize the research trends and hotspots...

The university campuses situated in metropolitan city centres have morphed into complex environments due to congested layout and high-rise buildings. The environmental legibility for wayfinding within these environments is a great matter of concern. These environments have a significant visual absence of dedicated traditional cues for pedestrian na...

Purpose Complex environments have a paucity of visual wayfinding information creating a strenuous situation for the new visitors. University campuses situated in the central urban areas with multi-storey structures and complex spatial layouts have poor environmental legibility. International students and visitors with diverse cultural backgrounds f...

While mobile payment services have been flourishing in China, users have continually questioned the security of these transactions. Although customization has been proposed as a vital factor for mobile commerce, minimal knowledge exists regarding how it affects users’ perceived security in mobile payment transactions. A quantitative diary study was...

Purpose The purpose of this study is to test the theoretical framework of lettering case, color temperature, perceived trustworthiness and investment intentions. First, it aims to test whether the effect of lettering case on investment intentions is mediated by trustworthiness. Second, the study will examine if this process is moderated by color te...

Ergonomics is extensively studied to provide a scientific understanding of humans’ physical and cognitive use of products and workplaces. Ergonomics of the external ear is crucial for the industrial design of various ear‐related products. For this review, 50 articles regarding ear anthropometry and its applications in product design that met determ...

Ear anthropometry is important in physical ergonomics for ear-related products. With various anthropometric methods, comparisons between different measuring techniques have not been sufficiently studied especially for ear dimensions. This study aimed at comparing traditional measurement and 3D scanning method for ear anthropometry, with addressing...

It has been a matter of great interest for designers and researchers to investigate the potential balance between product’s aesthetics and functionality. This study will try to explore the concept of hedonics, utilitarian value and their balance by incorporating some case studies from design literature. In this research paper, the tradeoffs between...

Fit and comfort issues in ergonomic designs contain both physical fit and users’ comfort perception, which are important for products with increasing requirements based on user experience, such as hearing aids. In this study, 3D ear was modelled as a reference to determine the size and shape of in-the-ear hearing aids. Four models and twelves sizes...

Providing transactions with a mobile device in various use contexts, mobile payment transactions have prompted privacy concerns. However, there is still little knowledge about how users’ perceptions match with the actual information disclosure in different payment scenarios in China. This study investigated users’ perceived information disclosure i...

This book brings together experts from different areas to show how creativity drives design and innovation to allow the integration of a wider spectrum of topics related to engineering design, industrial design and ergonomics in design. It presents theories and best practices demonstrating how creativity generates technological invention, and how t...

On an average, about 2% of a country’s GDP is currently being spent for fire safety. The flammability of textile materials, ecofriendly flame-retardants (FR) and developing the dynamic testing protocol for diversified applications, now becoming a matter of growing concern for the prevention of fire hazards, burns, loss of life and property. Develop...

Mobile payment has played a vital role in transforming traditional payment methods into digital payment methods and has led to changes in consumers’ behaviors in economic exchanges. However, there is a lack of knowledge about how perceived security influences are a sustainable use of mobile payment services. In order to examine the impact of percei...

Medical products, including prosthetics and orthotics, are designed to partially or completely assist or replace the functionality of specific body parts affected by ailments or medical deformities. People using such devices share similar sensibilities and concerns, such as looking attractive or being able to wear fashionable clothing. However, due...

Advancements in Digital Human Modelling (DHM) and Computer Aided Designing (CAD) have been influential in revolutionizing the field of product design. In past two decades DHM has been widely used in fields of healthcare and medicine for designing prosthetic/orthotic based on patient’s condition. With the ease in developing digital models and reduct...

Navigating vast information spaces through mobile interfaces has become a common activity in older adults' everyday lives. Studies suggested that interface metaphors could be used to facilitate users' metal model development and information processing when using mobile technologies. However, we know little about how metaphors affect older adults' m...

Product designers create the beautiful products we use every day from iPhones to eyewear. Every product aspires to mesh seamlessly with the human body. The wearable technology market is increasing the demand for more advanced, better fitting designs. As our technology moves closer to the body, the demand for better-fitted body products increases, a...

Mobile devices are becoming ubiquitous among older adults, but have also caused unprecedented challenges due to the high demands of interaction techniques and changeable design patterns found across various applications. This paper aims to investigate how older adults navigate with mobile interfaces and identify their potential usability challenges...

Background: Microtia is a congenital anomaly leading to malformed external ear. Most widely used technique for auricular reconstruction involves usage of autogenous cartilage. Traditionally, surgeons used 2D transparent film/paper cutout template from the contralateral ear to design a new auricle. However, due to complex contour of ear, it is very...

Recent green advertising research has focused on the effectiveness of different advertising claims and people’s interactions with the environment or environmental concerns, indicating the significant role of visual appeals in influencing people’s environmental attitudes. However, surprisingly, only a limited amount of research has addressed the eff...

Ikat technique is one of the oldest and ancient methods of fabric ornamentation made with the elegant touch of the hand of a weaver. This yarn resist the way of embellishment for cloth is entirely different from that of the fabric ikat due to its versatility of ornamentation in the field of intricacy, fineness and artisanship of a pure designer, pr...