Assistive Technology for the Visually Impaired: Optimizing Frame Rate (Freshness) to Improve the Performance of Real-Time Objects Detection Application
Conference Proceeding
Barakat, B., Steponenaite, A., Lall, G. S., Arshad, K., Wassell, I. J., & Keates, S. (2020)
Assistive Technology for the Visually Impaired: Optimizing Frame Rate (Freshness) to Improve the Performance of Real-Time Objects Detection Application. In Universal Access in Human-Computer Interaction. Applications and Practice: Proceedings, Part II (479-492). https://doi.org/10.1007/978-3-030-49108-6_34
It has been 100+ years since the world’s first commercial radio station started. This century witnessed several astonishing inventions (e.g. the computer, internet and mobiles...
Phonemes: An Explanatory Study Applied to Identify a Speaker
Conference Proceeding
Kinkiri, S., Barakat, B., & Keates, S. (2020)
Phonemes: An Explanatory Study Applied to Identify a Speaker. In Machine Learning, Image Processing, Network Security and Data Sciences. , (58-68). https://doi.org/10.1007/978-981-15-6318-8_6
Speaker Identification (SI) is a process of identifying a speaker automatically via a machine using the speaker’s voice. In SI, one speaker’s voice is compared with n- number ...
A 10:1 Bandwidth Cryogenic Quadruple-Ridged Flared Horn Design for Reflector Antennas in Radio Astronomy
Journal Article
Ma, Y., See, C. H., Pang, F., Wu, D., Liu, D., Abidin, Z. Z., …Abd-Alhameed, R. A. (2020)
A 10:1 Bandwidth Cryogenic Quadruple-Ridged Flared Horn Design for Reflector Antennas in Radio Astronomy. IEEE Access, 8, 81101-81115. https://doi.org/10.1109/ACCESS.2020.2991350
A two port 2.4 to 24 GHz cryogenic Quadruple-Ridged Flared Horn (QRFH) Feed with 10:1 impedance bandwidth is selected for presentation and investigation in this paper. The an...
How to Measure the Average and Peak Age of Information in Real Networks?
Conference Proceeding
Barakat, B., Yassine, H., Keates, S., Wassell, I., & Arshad, K. (2019)
How to Measure the Average and Peak Age of Information in Real Networks?
The Age of information (AoI) was proposed in the literature to quantify the freshness of information. The majority of the work done in this area has theoretically evaluated Ao...
Modelling IoT devices communication employing representative operation modes to reveal traffic generation characteristics
Journal Article
Barakat, B., Keates, S., Wassell, I. J., & Arshad, K. (2021)
Modelling IoT devices communication employing representative operation modes to reveal traffic generation characteristics. International Journal of Parallel, Emergent and Distributed Systems, 36(2), 117-129. https://doi.org/10.1080/17445760.2019.1649402
Several traffic models for the Internet of Things (IoT) have been proposed in the literature. However, they can be considered as heuristic models since they only reflect the s...
Adaptive Status Arrivals Policy (ASAP) Delivering Fresh Information (Minimise Peak Age) in Real World Scenarios
Conference Proceeding
Barakat, B., Keates, S., Wassell, I., & Arshad, K. (2019)
Adaptive Status Arrivals Policy (ASAP) Delivering Fresh Information (Minimise Peak Age) in Real World Scenarios. In Universal Access in Human-Computer Interaction. Multimodality and Assistive Environments. , (419-430). https://doi.org/10.1007/978-3-030-23563-5_33
Real-time systems make their decisions based on information communicated from sensors. Consequently, delivering information in a timely manner is critical to such systems. In ...
Universal Access: The Challenges Ahead
Conference Proceeding
Keates, S. (2019)
Universal Access: The Challenges Ahead. In Universal Access in Human-Computer Interaction. Theory, Methods and Tools (100-112). https://doi.org/10.1007/978-3-030-23560-4_8
It is approaching 20 years since the first issue of the International Journal on Universal Access was published and also that the first International Conference on Universal A...
Is the Zero-Wait Policy Always Optimum for Information Freshness (Peak Age) or Throughput?
Journal Article
Barakat, B., Keates, S., Wassell, I., & Arshad, K. (2019)
Is the Zero-Wait Policy Always Optimum for Information Freshness (Peak Age) or Throughput?. IEEE Communications Letters, 23(6), 987-990. https://doi.org/10.1109/LCOMM.2019.2907935
The Zero-Wait (ZW) policy is widely held to achieve maximum information 'freshness', i.e., to achieve minimum Peak Age (PA) and maximum throughput, for real-time Internet-of-T...
Deriving Machine to Machine (M2M) Traffic Model from Communication Model
Conference Proceeding
Barakat, B., Keates, S., Arshad, K., & Wassell, I. J. (2019)
Deriving Machine to Machine (M2M) Traffic Model from Communication Model. In The Fifth International Symposium on Innovation in Information and Communication Technology (ISIICT 2018), (27-31). https://doi.org/10.1109/ISIICT.2018.8613727
The typical traffic models proposed in literature can be considered as heuristic models since they only reflect the stochastic characteristic of the generated traffic. In this...
The benefits of contextual information for speech recognition systems
Conference Proceeding
Kinch, M. W., Melis, W. J., & Keates, S. (2018)
The benefits of contextual information for speech recognition systems. In The 10th Computer Science and Electronic Engineering Conference (CEEC)https://doi.org/10.1109/CEEC.2018.8674204
This paper demonstrates the significance of using contextual information in machine learning and speech recognition. While the benefits of contextual information in human comm...