Professor Radhakrishna Prabhu's Outputs (11)

Optimizing energy efficiency in underwater acoustic networks through machine learning classifiers. (2024)
Presentation / Conference Contribution
STEWART, C., FOUGH, F., FOUGH, N. and PRABHU, R. 2024. Optimizing energy efficiency in underwater acoustic networks through machine learning classifiers. In Proceedings of the 31st IEEE (Institute of Electrical and Electronics Engineers) International conference on electronics, circuits, and systems (IEEE ICECS 2024), 18-20 November 2024, Nancy, France. Piscataway: IEEE [online], 10848718. Available from: https://doi.org/10.1109/ICECS61496.2024.10848718

Among many challenges in establishing an Underwater Wireless Sensor Network, is the challenge of resource constraints, battery and bandwidth being limited which renders acoustic networks limited in life and application. One identified application of... Read More about Optimizing energy efficiency in underwater acoustic networks through machine learning classifiers..

Optimization of illumination for security hologram authentication. (2024)
Presentation / Conference Contribution
VIJITH, V.A., GEORGE, A., AMBADIYIL, S., JHA, A.K. and PRABHU, R. 2024. Optimization of illumination for security hologram authentication. In Bouma, H., Prabhu, R., Yitzhahy, Y. and Kuijf, H.J. (eds.) Advanced materials, biomaterials, and manufacturing technologies for security and defence II: proceedings of the 2024 SPIE Security + defence, 16-20 September 2024, Edinburgh, UK. Proceedings of SPIE, 13206. Bellingham, WA: SPIE [online], paper 1320618. Available from: https://doi.org/10.1117/12.3034230

Security holograms, diffractive optical elements known for their intricate 3D visuals, are a cornerstone of brand protection. However, their effectiveness hinges on robust authentication methods. This work explores the critical role of illumination i... Read More about Optimization of illumination for security hologram authentication..

Adaptive path-planning for AUVs in dynamic underwater environments using sonar data. (2024)
Presentation / Conference Contribution
B, B., HASAN, M.J., KANNAN, S. and PRABHU, R. 2024. Adaptive path-planning for AUVs in dynamic underwater environments using sonar data. In Bouma, H., Prabhu, R., Yitzhahy, Y. and Kuijf, H.J. (eds.) Advanced materials, biomaterials, and manufacturing technologies for security and defence II: proceedings of the 2024 SPIE Security + defence, 16-20 September 2024, Edinburgh, UK. Proceedings of SPIE, 13206. Bellingham, WA: SPIE [online], paper 1320616. Available from: https://doi.org/10.1117/12.3031644

This paper presents an innovative approach to path-planning for Autonomous Underwater Vehicles (AUVs) in complex underwater environments, leveraging single-beam sonar data. Recognizing the limitations of traditional sonar systems in providing detaile... Read More about Adaptive path-planning for AUVs in dynamic underwater environments using sonar data..

Ship detection and identification for maritime security and safety based on IMO numbers using deep learning. (2024)
Presentation / Conference Contribution
KHAN, M.M.H., LIU, Z., PRABHU, R., ZHENG, H. and JAVIED, A. 2024. Ship detection and identification for maritime security and safety based on IMO numbers using deep learning. In Bouma, H., Prabhu, R., Yitzhahy, Y. and Kuijf, H.J. (eds.) Advanced materials, biomaterials, and manufacturing technologies for security and defence II: proceedings of the 2024 SPIE Security + defence, 16-20 September 2024, Edinburgh, UK. Proceedings of SPIE, 13206. Bellingham, WA: SPIE [online], paper 1320608. Available from: https://doi.org/10.1117/12.3031425

In marine safety and security, the ability to rapidly, autonomously, and accurately detect and identify ships is the highest priority. This study presents a novel approach using deep learning to accurately identify ships based on their International... Read More about Ship detection and identification for maritime security and safety based on IMO numbers using deep learning..

Enhancing underwater situational awareness: RealSense camera integration with deep learning for improved depth perception and distance measurement. (2024)
Presentation / Conference Contribution
TOLIE, H.F., REN, J., HASAN, M.J. and KANNAN, S. 2024. Enhancing underwater situational awareness: RealSense camera integration with deep learning for improved depth perception and distance measurement. In Bouma, H., Prabhu, R., Yitzhaky, Y. and Kuijf, H.J. (eds.) Artificial intelligence for security and defence applications II: proceedings of the 2024 SPIE Security + defence, 16-20 September 2024, Edinburgh, UK. Proceedings of SPIE, 13206. Bellingham, WA; SPIE [online], paper 1320605. Available from: https://doi.org/10.1117/12.3030972

This work presents a depth image refinement technique designed to enhance the usability of a commercial camera in underwater environments. Stereo vision-based depth cameras offer dense data that is well-suited for accurate environmental understanding... Read More about Enhancing underwater situational awareness: RealSense camera integration with deep learning for improved depth perception and distance measurement..

Machine learning based underwater optical-acoustic communications channel switching for throughput improvement. (2024)
Presentation / Conference Contribution
STEWART, C., MUHAMMAD, A., FUNG, W.-K., FOUGH, N. and PRABHU, R. 2024. Machine learning based underwater optical-acoustic communications channel switching for throughput improvement. In Proceedings of the 2024 IEEE (Institute of Electrical and Electronics Engineers) International workshop on Metrology for the sea; learning to measure sea health parameters (IEEE MetroSea 2024), 14-16 October 2024, Portorose, Slovenia. Piscataway: IEEE [online], pages 46-51. Available from: https://doi.org/10.1109/MetroSea62823.2024.10765751

Underwater Wireless Optical Communication (UWOC) is at the cutting edge of subsea networking, offering high capacity, low-latency, energy-efficient connectivity that offers many advantages over the acoustic standard which has been embedded in submers... Read More about Machine learning based underwater optical-acoustic communications channel switching for throughput improvement..

Highly sensitive D-SPR sensors with optimized metallic thin films for bio-analyte detection. (2024)
Journal Article
EHIABHILI, J., PRABHU, R. and KANNAN, S. 2024. Highly sensitive D-SPR sensors with optimized metallic thin films for bio-analyte detection. Photonics [online], 11(8), article number 764. Available from: https://doi.org/10.3390/photonics11080764

There is a growing need for precise and rapid detection methods in fields such as biomedical diagnostics, environmental monitoring, and chemical analysis. Surface plasmon resonance (SPR) sensors have been used for the detection and quantification of... Read More about Highly sensitive D-SPR sensors with optimized metallic thin films for bio-analyte detection..

Nexus between building-integrated photovoltaics (BIPV) and cultural heritage: optical characterisation of screen-printed traditional symbols on solar cells. (2024)
Presentation / Conference Contribution
AWUKU, S.A., BENNADJI, A., MUHAMMAD-SUKKI, F., PRABHU, R. and SELLAMI, N. 2024. Nexus between building-integrated photovoltaics (BIPV) and cultural heritage: optical characterisation of screen-printed traditional symbols on solar cells. Engineering proceedings [online], 71(1): proceedings of the 4th Annual solar and wind power conference 2024 (ASWEC 2024): next generation of energy solution, 5 June 2024, [virtual conference], article number 9. Available from: https://doi.org/10.3390/engproc2024071009

This preliminary study adopts a screen-printing technique to transfer traditional Adinkra symbols onto monocrystalline solar cells. The study reveals that custom patterns for the top contact design of solar cells are achievable through direct screen-... Read More about Nexus between building-integrated photovoltaics (BIPV) and cultural heritage: optical characterisation of screen-printed traditional symbols on solar cells..

Tracking and estimation of surgical tool relative-pose and angle based on the vision system for surgical robot. (2024)
Presentation / Conference Contribution
MUTHUKRISHNAN, R., KANNAN, S., ZHAO, Y. and PRABHU, R. 2024. Tracking and estimation of surgical tool relative-pose and angle based on the vision system for sugical robot. Poster presented at the 3rd Medical device manufacturing centre annual conference 2024 (MDMC 2024), 23 May 2024, Glasgow, UK.

This research presents a Virtual Dynamic Tri crossbar and a Virtual Stable Graph (VDT VSG) which simplifies the task of tracing the needle angle and location in 2 D plane. In addition, Virtual Dynamic Line (helps to quantify the displacement between... Read More about Tracking and estimation of surgical tool relative-pose and angle based on the vision system for surgical robot..

Metal oxide modified tubular ceramic membrane for the separation of oil-in-water emulsion. (2024)
Thesis
AISUENI, F.A. 2024. Metal oxide modified tubular ceramic membrane for the separation of oil-in-water emulsion. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-2445693

Separating lower concentrations of oil-in-water (O/W) emulsion (< 250 mg/l) and smaller oil droplet size (< 20 μm) has been an industry challenge using conventional methods, including adsorption, electrocoagulation, flocculation, bioremediation, cent... Read More about Metal oxide modified tubular ceramic membrane for the separation of oil-in-water emulsion..

Proposing an approach for the diffusion of building integrated photovoltaics (BIPVs): a case study. (2024)
Journal Article
AWUKU, S.A., BENNADJI, A., MUHAMMAD-SUKKI, F., PRABHU, R. and SELLAMI, N. 2024. Proposing an approach for the diffusion of building integrated photovoltaics (BIPVs): a case study. New energy exploitation and application [online], 3(1), pages 8-26. Available from: https://doi.org/10.54963/neea.v3i1.196

Consistent probing into building integrity has led to the exploration of clean energy options such as building integrated photovoltaic (BIPV). BIPV has proven to be aesthetically pleasing, architecturally feasible and capable of making buildings ener... Read More about Proposing an approach for the diffusion of building integrated photovoltaics (BIPVs): a case study..