Outputs (626)

AVSE Challenge: Audio-Visual Speech Enhancement Challenge (2023)
Presentation / Conference Contribution
Aldana Blanco, A. L., Valentini-Botinhao, C., Klejch, O., Gogate, M., Dashtipour, K., Hussain, A., & Bell, P. (2023, January). AVSE Challenge: Audio-Visual Speech Enhancement Challenge. Presented at 2022 IEEE Spoken Language Technology Workshop (SLT), Doha, Qatar

Audio-visual speech enhancement is the task of improving the quality of a speech signal when video of the speaker is available. It opens-up the opportunity of improving speech intelligibility in adverse listening scenarios that are currently too chal... Read More about AVSE Challenge: Audio-Visual Speech Enhancement Challenge.

Multi-Stream Acoustic Modelling Using Raw Real and Imaginary Parts of the Fourier Transform (2023)
Journal Article
Loweimi, E., Yue, Z., Bell, P., Renals, S., & Cvetkovic, Z. (2023). Multi-Stream Acoustic Modelling Using Raw Real and Imaginary Parts of the Fourier Transform. IEEE/ACM Transactions on Audio, Speech and Language Processing, 31, 876-890. https://doi.org/10.1109/taslp.2023.3237167

In this paper, we investigate multi-stream acoustic modelling using the raw real and imaginary parts of the Fourier transform of speech signals. Using the raw magnitude spectrum, or features derived from it, as a proxy for the real and imaginary part... Read More about Multi-Stream Acoustic Modelling Using Raw Real and Imaginary Parts of the Fourier Transform.

Exploring constraining factors for use of private sector finance in delivery of public sector infrastructure in Tanzania: A qualitative study (2023)
Journal Article
Kavishe, N., Zulu, S. L., Luvara, V., Zulu, E., Musonda, I., Moobela, C., & Chileshe, N. (2023). Exploring constraining factors for use of private sector finance in delivery of public sector infrastructure in Tanzania: A qualitative study. Frontiers in Built Environment, 9, Article 1098490. https://doi.org/10.3389/fbuil.2023.1098490

While governments remain accountable for the delivery of infrastructure services, given the paucity of public resources, studies have recommended the use of private sector finance (PSF) as an alternative approach to delivering sustainable infrastruct... Read More about Exploring constraining factors for use of private sector finance in delivery of public sector infrastructure in Tanzania: A qualitative study.

A Comprehensive Analysis of Eco-Friendly Cs2SnI6 Based Tin Halide Perovskite Solar Cell through Device Modeling (2023)
Journal Article
Pal, D. (2023). A Comprehensive Analysis of Eco-Friendly Cs2SnI6 Based Tin Halide Perovskite Solar Cell through Device Modeling. Advanced Theory and Simulations, 6(3), Article 2200856. https://doi.org/10.1002/adts.202200856

The choice of appropriate materials is of paramount importance in realizing a high efficiency perovskite solar cell. Lead free eco-friendly perovskite solar cell architecture is theoretically investigated using solar cell capacitance simulator (SCAPS... Read More about A Comprehensive Analysis of Eco-Friendly Cs2SnI6 Based Tin Halide Perovskite Solar Cell through Device Modeling.

Mesoporous TiO2-layer’s rheological impact on the perovskite solar cell performance (2023)
Journal Article
Valsalakumar, S., Roy, A., Mallick, T. K., Hinshelwood, J., & Sundaram, S. (2023). Mesoporous TiO2-layer’s rheological impact on the perovskite solar cell performance. Materials Letters, 337, Article 133960. https://doi.org/10.1016/j.matlet.2023.133960

The rheological impact of the mesoporous-TiO2 (m-TiO2) layer was investigated, which impacted perovskite solar cell (PSC) performance. This also implies the significance of morphological variations according to the pastes’ viscosity and corresponding... Read More about Mesoporous TiO2-layer’s rheological impact on the perovskite solar cell performance.

A general theoretical scheme for shape-programming of incompressible hyperelastic shells through differential growth (2023)
Journal Article
Li, Z., Wang, J., Hossain, M., & Kadapa, C. (2023). A general theoretical scheme for shape-programming of incompressible hyperelastic shells through differential growth. International Journal of Solids and Structures, 255-256, Article 112128. https://doi.org/10.1016/j.ijsolstr.2023.112128

In this paper, we study the problem of shape-programming of incompressible hyperelastic shells through differential growth. The aim of the current work is to determine one of the possible growth tensors (or growth functions) that can produce the defo... Read More about A general theoretical scheme for shape-programming of incompressible hyperelastic shells through differential growth.

Effects of COVID-19 on the relationship between inflation and REITs returns in South Africa (2023)
Journal Article
Mpofu, B., Moobela, C., & Simbanegavi, P. (2023). Effects of COVID-19 on the relationship between inflation and REITs returns in South Africa. Journal of Property Investment and Finance, 41(5), 506-522. https://doi.org/10.1108/jpif-10-2022-0072

Purpose
This research aims to ascertain the extent to which the coronavirus disease 2019 (COVID-19) epidemic affected the relationship between inflation and real estate investment trusts (REITs) returns in South Africa.

Design/methodology/approac... Read More about Effects of COVID-19 on the relationship between inflation and REITs returns in South Africa.

Cost-Effective Heating Control Approaches by Demand Response and Peak Demand Limiting in an Educational Office Building with District Heating (2023)
Journal Article
Yuan, X., Vand, B., Martin, K., Jokisalo, J., Liang, Y., Kosonen, R., & Pan, Y. (2023). Cost-Effective Heating Control Approaches by Demand Response and Peak Demand Limiting in an Educational Office Building with District Heating. Buildings, 13(2), Article 332. https://doi.org/10.3390/buildings13020332

This study examined three different approaches to reduce the heating cost while maintaining indoor thermal comfort at acceptable levels in an educational office building, including decentralized (DDRC) and centralized demand response control (CDRR) a... Read More about Cost-Effective Heating Control Approaches by Demand Response and Peak Demand Limiting in an Educational Office Building with District Heating.

Predicting Hourly Boarding Demand of Bus Passengers Using Imbalanced Records From Smart-Cards: A Deep Learning Approach (2023)
Journal Article
Tang, T., Liu, R., Choudhury, C., Fonzone, A., & Wang, Y. (2023). Predicting Hourly Boarding Demand of Bus Passengers Using Imbalanced Records From Smart-Cards: A Deep Learning Approach. IEEE Transactions on Intelligent Transportation Systems, https://doi.org/10.1109/TITS.2023.3237134

The tap-on smart-card data provides a valuable source to learn passengers’ boarding behaviour and predict future travel demand. However, when examining the smart-card records (or instances) by the time of day and by boarding stops, the positive insta... Read More about Predicting Hourly Boarding Demand of Bus Passengers Using Imbalanced Records From Smart-Cards: A Deep Learning Approach.

Performance analysis and comparison between bifacial and monofacial solar photovoltaic at various ground albedo conditions (2023)
Journal Article
Alam, M., Gul, M. S., & Muneer, T. (2023). Performance analysis and comparison between bifacial and monofacial solar photovoltaic at various ground albedo conditions. Renewable Energy Focus, 44, 295-316. https://doi.org/10.1016/j.ref.2023.01.005

This paper analyses and compares the performance between a bifacial and a monofacial PV system based on the tests conducted at Heriot-Watt University, UK. The module's performance was observed on different ground reflective surfaces: concrete, white... Read More about Performance analysis and comparison between bifacial and monofacial solar photovoltaic at various ground albedo conditions.