Niall Murray

Niall Murray
Athlone Institute of Technology | AIT · Department of Electronics & Informatics

PhD, MEng, BE

About

100
Publications
35,885
Reads
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1,084
Citations
Citations since 2017
67 Research Items
964 Citations
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2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
Additional affiliations
April 2010 - November 2016
Athlone Institute of Technology
Position
  • Lecturer
Education
April 2010 - June 2014
Athlone Institute of Technology
Field of study
  • Multimedia, Quality of Experience, Multisensory Multimedia
September 2003 - September 2004
University of Limerick
Field of study
  • Computer & Communication Systems
September 1999 - June 2003
University of Galway
Field of study
  • Electronic & Computer Engineering

Publications

Publications (100)
Article
Full-text available
Ever since its discovery, the applications of Shape Memory Alloys (SMA) can be found across a range of application domains, from structural design to medical technology. This is based upon the unique and inherent characteristics such as thermal Shape Memory Effect (SME) and Superelasticity (or Pseudoelasticity). While thermal SME is used for shape...
Conference Paper
Full-text available
This paper presents an evaluation of a deep learning (DL) model to predict the user quality of experience (QoE) from physiological signals using a publicly available multimodal dataset, SoPMD. The subjective scores related to QoE factors, namely, perceptual video quality, immersion level, surrounding awareness, interest in video content and audio c...
Preprint
Full-text available
Immersive technologies are rapidly gaining traction across a variety of application domains. 360° video is one such technology, which can be captured with an omnidirectional multi-camera arrangement. With a Virtual Reality (VR) Head Mounted Display (HMD), users have the freedom to look in any direction they wish within the scene. While there is a p...
Conference Paper
Full-text available
Emotion awareness in human computer interaction is crucial for designing intelligent systems that are adaptable to user emotional states. However, achieving reliable, stable, and accurate emotion predictions in automatic emotion recognition systems remains a challenging task. This paper describes the application of a one-dimensional convolutional n...
Conference Paper
Full-text available
Interest in the applications of Extended Reality is growing across many different domains. Collaborative or shared experiences are seen as a primary use case. However, there is a surprisingly little research efforts on collaborative design tasks not considering social experiences using Virtual Reality (VR). In addition, there are very few research...
Conference Paper
Full-text available
This paper contains the research proposal of Sowmya Vijayakumar that was presented at the MMSys 2022 doctorial symposium. Multimedia applications can now be found across many application domains including but not limited to entertainment, communication, health, business, and education. It is becoming more and more important to understand the factor...
Article
Full-text available
One of the most promising technologies that is driving digitalization in several industries is Digital Twin (DT). DT refers to the digital replica or model of any physical object (physical twin). What differentiates DT from simulation and other digital or CAD models is the automatic bidirectional exchange of data between digital and physical twins...
Conference Paper
Full-text available
Meeting design characteristics are specified by meeting organizers and participants. The different design characteristics have a direct impact on the quality of the meeting. In this paper, different meeting characteristics are assessed to determine the optimum conditions for effective meetings as perceived by the meeting members. A number of meetin...
Conference Paper
Full-text available
In the context of Industry 4.0 and digital factory, digital twin technology is emerging as a key enabling technology to simulate, optimize, maintain, and predict processes and production systems. Digital Twin (DT) refers to the virtual copy or model of any physical entity (physical twin), both interconnected via real-time data exchange. Conceptuall...
Conference Paper
Full-text available
Collaborative design systems using Virtual Reality (VR) are gaining significant interest due to their immersive and interactive nature. There is a growing need for immersive remote communication, which has many positive societal impacts, such as reducing environmental pollution and travel costs, supporting rich collaboration by remotely connecting...
Article
Full-text available
Virtual reality (VR) has recently emerged as a platform that can be employed in the context of e-health applications. Even though the majority of VR-based applications focus on visual stimuli as the main content, audio also plays a very important role. If someone has an issue with auditory processing, the comprehension of auditory information is co...
Conference Paper
Full-text available
User’s Quality of Experience (QoE) understanding from objective metrics has been increasingly explored in multisensory research. However, capturing physiological data adds a degree of difficulty to an already complex environment composed of software to reproduce content and actuators to deliver sensory effects. In this paper, we introduce the potent...
Research Proposal
Full-text available
Augmented reality (AR) is widely regarded as a promising training platform. AR integrates real and virtual information into a single scene. This reduces attention changes between workpiece and instruction. Error correction in the form of instruction verification feedback using computer vision can ensure correct learning during training. AR based tr...
Article
Full-text available
Virtual reality (VR) technology is emerging as a tool for simulating different eating environments to better understand consumer sensory response to food. This research explored the impact of different environmental contexts on participants’ hedonic ratings of two different food products: beef steaks, and milk chocolate, using VR as the context-enh...
Article
Full-text available
Whilst investigating student performance in design and arithmetic tasks, as well as during exams, electrodermal activity (EDA)-based sensors have been used in attempts to understand cognitive function and cognitive load. Limitations in the employed approaches include lack of capacity to mark events in the data, and to explain other variables relati...
Conference Paper
Full-text available
Real world virtual world communication and interaction will be a cornerstone of future intelligent manufacturing ecosystems. Human robotic interaction is considered to be the basic element of factories of the future. Despite the advancement of different technologies such as wearables and Augmented Reality (AR), human-robot interaction (HRI) is stil...
Conference Paper
Full-text available
Human-Robot Interaction (HRI) will be a crucial component of smart factories of the future (FoF). This demo presents a reliable and cost-effective HRI system based on Augmented Reality (AR). In this demonstration, we offer concepts and methods currently being developed to enable high-level human-robot collaboration and interaction. The user interac...
Chapter
MulseMedia technology enables operation with multimodal data sets that requires their complex representation. In this paper, we propose a mathematical background of MulseMedia data representation. The application of both Algebraic System of Aggregates and Multi-Image Concept allows efficient representation and processing of MulseMedia data in compu...
Conference Paper
Full-text available
Augmented reality (AR) has been identified as a key technology to enhance worker utility in the context of increasing automation of repeatable procedures. AR can achieve this by assisting the user in performing complex and frequently changing procedures. Crucial to the success of procedure assistance AR applications is user acceptability, which can...
Conference Paper
Full-text available
Recent developments in wearable technology have led to increased research interest in using peripheral physiological signals for emotion recognition. The non-invasive nature of peripheral physiological signal measurement via wearables enables ecologically valid long-term monitoring. These peripheral signal measurements can be used in real-time in m...
Conference Paper
Full-text available
Augmented reality (AR) is a key technology to enhance worker effectiveness during increasing automation of repetitive jobs in the workplace. AR will achieve this by assisting the user to successfully perform complex and frequently changing procedures. The design of AR applications for these roles is critical to their acceptability and utility. User...
Article
Full-text available
Gait analysis is a technique that is used to understand movement patterns and, in some cases, to inform the development of rehabilitation protocols. Traditional rehabilitation approaches have relied on expert guided feedback in clinical settings. Such efforts require the presence of an expert to inform the re-training (to evaluate any improvement)...
Article
The availability of affordable head-mounted display technology has facilitated new, potentially more immersive, interactive multimedia experiences. These technologies were traditionally focused on entertainment; however, academia and industry are now exploring applications in other domains such as health, learning and training. Key to the success o...
Article
Full-text available
Gait analysis is the measurement, processing and systematic interpretation of biomechanical parameters that characterize human locomotion. It supports the identification of movement limitations and development of rehabilitation procedures. Accurate Gait analysis is important in sports analysis, medical field, and rehabilitation. Although Gait analy...
Conference Paper
Full-text available
Augmented reality (AR) can support a user in performing an expert task by overlaying real world objects with the domain specific information required to complete the task. Understanding how users can process and use such information is very important for informing the design of AR technologies and applications. In this paper, the results of a quali...
Preprint
Eye-based information channels include the pupils, gaze, saccades, fixational movements, and numerous forms of eye opening and closure. Pupil size variation indicates cognitive load and emotion, while a person's gaze direction is said to be congruent with the motivation to approach or avoid stimuli. The eyelids are involved in facial expressions th...
Conference Paper
Full-text available
Motion analysis is a technique used by clinicians (among many others) that quantifies human movement by using camera-based systems. Marker-based motion analysis systems have been used across a variety of application domains, from Interactive 3D Tele-Immersion (i3DTI) environments to the diagnosis of neuromuscular and musculoskeletal diseases. Altho...
Conference Paper
Teleoperation applications are designed to assist humans in operating complex mechanical systems. Interfaces to teleoperation systems have always been challenging. Recently the potential of virtual reality (VR) has been a topic of interest, particularly with the availability of head mounted displays and interaction controller devices. As a result,...
Conference Paper
Full-text available
Problem solving is an important element of engineering and technology disciplines and spatial ability contributes to learners' success in problem solving in these areas (Wai, et al., 2009). As excessive cognitive load can impede an individual's capacity to process information (Kirschner, Paas & Kirschner, 2009) it is posited that higher levels of s...
Presentation
Full-text available
The healthcare products market is a diverse market supplying critical care products ranging from pharmaceutical products to biologics to medical devices. The regulation and best practices associated with the manufacture of such devices is very well documented in ISO standards, AAMI Technical, European and US Pharmacopeia. As part of Good Manufactur...
Article
Full-text available
A key challenge that Immersive applications have to overcome is cybersickness. Cybersickness is particularly prevalent in dynamic applications such as vehicles simulators. The work presented here aims to understand the cause of cybersickness symptoms in an assistive technology (AT) application, the virtual wheelchair training simulator. This evalua...
Conference Paper
Full-text available
The¹ key aim of various assistive technology (AT) systems is to augment an individual's functioning whilst supporting an enhanced quality of life (QoL). In recent times, we have seen the emergence of Virtual Reality (VR) based assistive technology systems made possible by the availability of commercially available Head Mounted Displays (HMDs). The...
Preprint
Speech has been a widely used modality in the field of affective computing. Recently however, there has been a growing interest in the use of multi-modal affective computing systems. These multi-modal systems incorporate both verbal and non-verbal features for affective computing tasks. Such multi-modal affective computing systems are advantageous...
Article
Research on modelling user quality of experience (QoE) to date has primarily focused the combination of traditional media components; audio and video, or the individual influence of each. However, multisensory experiences have recently gained significant traction in the research community as a novel method to enhance QoE beyond what is possible wit...
Chapter
This chapter introduces olfaction-enhanced multimedia synchronization and focuses on two key aspects: the specification of olfaction-enhanced multimedia, including the temporal relations between the media components; and secondly, the implementation of synchronized delivery of olfaction-enhanced multimedia. The relevance of this topic is supported...
Article
Full-text available
Named Data Networking (NDN) is a promising Future Internet architecture to support content distribution. Its inherent addressless routing paradigm brings valuable characteristics to improve the transmission robustness and efficiency, e.g. users are enabled to download content from multiple providers concurrently. However, multipath transmission NDN...
Article
Full-text available
The elderly population is growing every year in Brazil. Consequently, health risks in elderly is a concern for public health system. During the aging process, the mobility is affected, and falls are more frequent causing injuries and even death, whose causes can be prevented, with reduction of financial costs. Therefore, a low-cost inertial sensor-...
Conference Paper
Affective computing research traditionally focused on labeling a person's emotion as one of a discrete number of classes e.g. happy or sad. In recent times, more attention has been given to continuous affect prediction across dimensions in the emotional space, e.g. arousal and valence. Continuous affect prediction is the task of predicting a numeri...
Conference Paper
Recent research efforts have reported findings on user Quality of Experience (QoE) of immersive virtual reality (VR) experiences. Truly immersive multimedia experiences also include multisensory components such as factional, tactile etc., in addition to audiovisual stimuli. In this context, this paper reports the results of a user QoE study of an o...
Conference Paper
Full-text available
Virtual reality (VR) and augmented reality (AR) applications are gaining significant attention in industry and academia as potential avenues to support truly immersive and interactive multimedia experiences. Understanding the user perceived quality of immersive multimedia experiences is critical to the success of these technologies. However, this i...
Article
Full-text available
Recently, multimedia researchers have added several so-called new media to the traditional multimedia components (e.g., olfaction, haptic, and gustation). Evaluating multimedia user-perceived Quality of Experience (QoE) is already non-trivial and the addition of multisensorial media components increases this challenge. No standardized methodology e...
Article
Full-text available
Multiview video supports observing a scene from different viewpoints. The Joint Video Team (JVT) developed H.264/MVC to enhance the compression efficiency for multiview video, however, MVC encoded multiview video (MVC video) still requires the high bitrates for transmission. This paper investigates live MVC video streaming over Peer-to-Peer (P2P) n...
Conference Paper
In recent times, there has been significant interest in the machine recognition of human emotions, due to the suite of applications to which this knowledge can be applied. A number of different modalities, such as speech or facial expression, individually and with eye gaze, have been investigated by the affective computing research community to eit...
Conference Paper
Full-text available
The availability of affordable head-mounted displays has resulted in renewed interest in augmented reality (AR) and virtual reality (VR). This in turn has led to research into users’ perceptions of quality in AR and VR environments. In this paper, the authors report the results of an experimental study that compared the user quality of experience (...
Article
Full-text available
Media-rich content plays a vital role in consumer applications today, as these applications try to find new and interesting ways to engage their users. Video, audio, and the more traditional forms of media content continue to dominate with respect to the use of media content to enhance the user experience. Tactile interactivity has also now become...
Conference Paper
The Internet of Things (IoT) expects to link billions of devices to the Internet, which will produce massive amounts of data. Current approaches move the IoT data out of the network for processing. It results in long delays and increases the network traffic. The Named Function Networking (NFN) proposes a generic computation architecture for in-netw...
Article
Full-text available
Recently, the concept of olfaction-enhanced multimedia applications has gained traction as a step toward further enhancing user quality of experience. The next generation of rich media services will be immersive and multisensory, with olfaction playing a key role. This survey reviews current olfactory-related research from a number of perspectives....
Article
In the quest to increase user perceived Quality of Experience (QoE), the classic audiovisual content paradigm can be extended to include media components that stimulate other human senses. Among these, olfaction-enhanced multimedia has attracted significant attention, as it is both attractive from user point of view and challenging from research pe...