2,203 research outputs found
Effect of oil palm empty fruit bunches (OPEFB) fibers to the compressive strength and water absorption of concrete
Growing popularity based on environmentally-friendly, low cost and lightweight building materials in the construction industry has led to a need to examine how these characteristics can be achieved and at the same time giving the benefit to the environment and maintain the material requirements based on the standards required. Recycling of waste generated from industrial and agricultural activities as measures of building materials is not only a viable solution to the problem of pollution but also to produce an economic design of building
Emergency TeleOrthoPaedics m-health system for wireless communication links
For the first time, a complete wireless and mobile emergency TeleOrthoPaedics system with field trials and expert opinion is presented. The system enables doctors in a remote area to obtain a second opinion from doctors in the hospital using secured wireless telecommunication networks. Doctors can exchange securely medical images and video as well as other important data, and thus perform remote consultations, fast and accurately using a user friendly interface, via a reliable and secure telemedicine system of low cost. The quality of the transmitted compressed (JPEG2000) images was measured using different metrics and doctors opinions. The results have shown that all metrics were within acceptable limits. The performance of the system was evaluated successfully under different wireless communication links based on real data
Low power techniques for video compression
This paper gives an overview of low-power techniques proposed in the literature for mobile multimedia and Internet applications. Exploitable aspects are discussed in the behavior of different video compression tools. These power-efficient solutions are then classified by synthesis domain and level of abstraction. As this paper is meant to be a starting point for further research in the area, a lowpower hardware & software co-design methodology is outlined in the end as a possible scenario for video-codec-on-a-chip implementations on future mobile multimedia platforms
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The evaluation of next generation learning technologies: the case of mobile learning
Mobile learning is at a leading edge of learning technologies and is at present characterised by pilots and trials that allow mobile technologies to be tested in a variety of learning contexts. The sustained deployment of mobile learning will depend on these pilots and trials, especially their evaluation methodology and reporting. The paper examines a sample of current evaluation practice, based on evidence drawn from conference proceedings, published case studies, and other accounts from the literature and draws on the authors' work in collecting case studies of mobile learning from a range of recent projects. The issues discussed include the apparent objectives of the documented pilots or trials, the nature of the evaluations, instruments and techniques used, and the presentation of findings. The paper reflects on the quality of evaluation in mobile learning pilots and trials, in the broader context of evolving practices in the evaluation of educational technologies
An Overview of Enhancing Distance Learning Through Augmented and Virtual Reality Technologies
Although distance learning presents a number of interesting educational
advantages as compared to in-person instruction, it is not without its
downsides. We first assess the educational challenges presented by distance
learning as a whole, and identify 4 main challenges that distance learning
currently presents as compared to in-person instruction: the lack of social
interaction, reduced student engagement and focus, reduced comprehension and
information retention, and the lack of flexible and customizable instructor
resources. After assessing each of these challenges in-depth, we examine how
AR/VR technologies might serve to address each challenge along with their
current shortcomings, and finally outline the further research that is required
to fully understand the potential of AR/VR technologies as they apply to
distance learning.Comment: 12 pages, 7 figures, submitted to TVC
Collaborative trails in e-learning environments
This deliverable focuses on collaboration within groups of learners, and hence collaborative trails. We begin by reviewing the theoretical background to collaborative learning and looking at the kinds of support that computers can give to groups of learners working collaboratively, and then look more deeply at some of the issues in designing environments to support collaborative learning trails and at tools and techniques, including collaborative filtering, that can be used for analysing collaborative trails. We then review the state-of-the-art in supporting collaborative learning in three different areas – experimental academic systems, systems using mobile technology (which are also generally academic), and commercially available systems. The final part of the deliverable presents three scenarios that show where technology that supports groups working collaboratively and producing collaborative trails may be heading in the near future
SYSPOINT: Unit of Measure for IT Infrastructure Project Sizing
What can be done to improve the success rate of IT infrastructure projects? The Standish group considers an IT project successful when it is completed on time and on budget, with all the features and functions originally specified. Thus, time, cost, and scope – the triple constraint of project management is measured for success. The initial project estimation directly results in constructing the baseline for the two success parameters – time and cost. The traditional software estimation models uses lines of code and function points as sizing unit of measure. The IT infrastructure projects are significantly different from software development projects to use the software sizing techniques. This paper defines the concept of size for IT infrastructure projects. Specifically, the project size for IT infrastructure projects are measured in terms of the eight factors (server, workstation, printer, LAN, WAN, handheld, server applications, and client applications), infrastructure related software components, and the complexities defined based on the physical and functional categories of those factors
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