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James Riordan


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Personal profile




I have generated €1.2+ million non-commercial research funding (€700k SME sector) through bodies such as Enterprise Ireland, InterTradeIreland, Science Foundation Ireland, INFOMAR, and the European Commission.



Principal Investigator


  • 2017 - €180k – MarTERA, H2020 ERA-NET – RoboVaas (Robots as a Service)


  • 2017 - €60k – Government of Ireland – Hydrographic Training Software


  • 2016 – €25k – INFOMAR – A Hydrographic Programme Demonstrator


  • 2015 – €50k – European Commission H2020-SME – (#663947) Sonar INtegrated Advanced NavigatioN


  • 2014 – €20k – InterTradeIreland Seedcorn Business Plan Competition


  • 2014 – €51k – European Commission FP7-Security – (#242112) Security UPgrade for PORTs


  • 2013 – €186k – European Commission FP7-SME – (#2165214) SonaTag – A location & identification sonar tag for assisting in the laying, installation & long term monitoring of subsea cables & pipelines)


  • 2013 – €25k – Enterprise Ladder (Business Development) Fund – Limerick Institute of Technology


  • 2011 – €25k – INFOMAR – Delivery of a Real-time Survey Planner for Online Multibeam Quality Control


  • 2010 – €55k – Limerick City Enterprise Board – Business Feasibility/Expansion Grant


  • 2007 – €150k – Enterprise Ireland – CFTD/07/323, PULSE-RT


Key Collaborator (named on proposal)

  • 2017 – €25k – SmartBay Ireland – Installation of a streaming underwater SONAR web portal


  • 2011 – €25k – INFOMAR – Scaling Hydrographic Education & Training through E-learning and Scenario-Based Operational Simulation Integrated with INFOMAR Datasets and Operational Procedures


  • 2007 – €350k – Enterprise Ireland – CFTD/07/313, Multi-Purpose Platform Technologies for Subsea Operations




Peer Reviewed Journals & International Conference Proceedings


  • J. Riordan & F. Flannery, “Outside the Matrix: Simulation in the Real World”, The Journal of Ocean Technology, vol. 11, no. 1, pp. 2-11, May 2016


  • E. Thurman, J. Riordan & D. Toal, "Real-Time Adaptive Control of Multiple Collocated Acoustic Sensors for an Unmanned Underwater Vehicle," IEEE Journal of Oceanic Engineering, vol.38, no.3, pp. 419-432, 2013


  • J. Riordan & F. Flannery, “Real-Time Simulation for Hydrographic Training”, Journal of Ocean Technology , vol. 6, no. 2, pp 23-33, Underwater acoustics: technology at the speed of sound, June 2011


  • E. Thurman, J. Riordan, D. Toal, “Terrain-adaptive ping sequencing of UUV integrated multibeam echosounder & sidescan sonar systems”. Journal of Marine Engineering And Technology, 9 (1), pp. 37-46, 2010


  • D. Toal, J. Riordan, E. Thurman, H. Ahmad, “Novel multi-sonar controller and other advanced features developed and tested on Latis, a smart, remotely operated vehicle”, Journal of Engineering for the Maritime Environment 1(4):, pp. 1-17 · November, 2010


  • F. Flannery & J. Riordan, GPU Acceleration of Real-time Sonar Simulation," Proceedings of U.S. HYDRO 2009, Norfolk, Virginia, May 11-14, 2009


  • E. Thurman, J. Riordan and D. Toal, "The Integrated Marine Acoustic Controller System," Proceeding of IEEE OCEANS, Bremen, 2009


  • D. Toal, S. Nolan, J. Riordan, & E. Omerdic E., “A flexible, multi-mode of operation, high-resolution survey platform for surface and underwater operations”. Journal of Underwater Technology, 28 (4), pp. 159-174, 2009


  • J. Riordan, J. Horgan, & D. Toal, “A real-time subsea environment visualisation framework for simulation of vision based UUV control architectures”, Proceedings of the International Federation of Automatic Control Workshop on Navigation, Guidance and Control of Underwater Vehicles (NGCUV 08'), vol. 2, part 1, pp. 25-30, Killaloe, Ireland, 8-10 April, 2008


  • J. Horgan, J. Riordan, D. Toal, “Near Seabed Navigation of Unmanned Underwater Vehicles Employing Vision Systems; Experimental Approaches”, 11th Mechatronics Forum Biennial International Conference, Limerick, Ireland, June 2008


  • D. Toal, S. Nolan, J. Riordan, E. Omerdic, & S. Marr, Flexible Survey Platform that enables Off Shore Capabilities in Inshore Operations: Operations from the Beach to 1,000m, Invited paper at The 10th Unmanned Underwater Vehicle Showcase, National Oceanography Centre, Southampton, 23-24 Sept., 2008


  • E. Omerdic, J. Riordan, & D. Toal, MPPT Ring – Multi-Purpose Platform Technologies for Subsea Operations (System Integration, Planning, Simulation, Training, Fault-Tolerant Control, Enhanced Operator Interface and Offline Analysis), Proceedings of the International Federation of Automatic Control Workshop on Navigation, Guidance and Control of Underwater Vehicles (NGCUV 08'), Killaloe, Ireland, 8-10 April, 2008.


  • E. Thurman, J. Riordan & D. Toal. Integrating Multiple Sensors for Optimal Seabed Surveying. IFAC CAMS ’07 Conference Proceedings, Croatia, September 2007.


  • E. Thurman, J. Riordan & D. Toal, "Automated Optimisation of Simultaneous Multibeam and Sidescan Sonar Seabed Mapping," Proceedings of IEEE OCEANS 2007, Aberdeen, 2007


  • E. Omerdic, J. Riordan, & D. Toal, Easing Offshore Ops Through The Use Of Augmented Reality Support Tools, 9th Unmanned Underwater Vehicle Showcase, National Oceanography Centre, Southampton, 2007


  • J. Riordan, E. Omerdic, L. Molnar, & D. Toal, “Real-Time Sonar Simulator Integrated with Vehicle Control and Navigation for Ocean-Floor Mapping Applications in Survey-Scale Environments”, Proceedings of 7th IFAC MCMC, Lisbon, Portugal, 2006


  • E. Omerdic, J. Riordan, L. Molnar, D. Toal, “Virtual Underwater Lab: Efficient Tool for System Integration & UUV Control Development”, 7th IFAC MCMC, Lisbon, Portugal, September 2006


  • J. Riordan, E. Omerdic, & D. Toal, “Implementation and application of a real-time sidescan sonar simulator”. In Proceedings of IEEE Oceans’05 Europe Conference vol. 2, pp. 981-986. Brest, France, 2005


  • J. Riordan, D. Toal, Towards Real-Time Simulation of the Sidescan Sonar Imaging Process. In: WSEAS Transactions on Computers, vol.4, iss.2, pp. 247-252, 2005


  • A. Grehan, M. Wilson, J. Guinan, J. Riordan, L. Molnar, E. Omerdic, J. Ullgren, E. Le Guilloux, D. Toal & C. Brown, “ROV Investigations of Cold-Water Coral Habitats along the Porcupine Bank Margin, West Coast of Ireland, Science and Management”, 3rd International Symposium on Deep-Sea Corals, Miami, Florida, US, 2005


  • J. Riordan, D. Toal, & C. Flanagan, Development of a sidescan sonar simulation model, 11th Symposium Maritime Elektrotechnik, Electronik und Informationstechnik, pp. 115-118, Universität Rostock. June 2004


  • J. Riordan, D. Toal & T. Young, “Development of a low cost fixed base flight simulator”, Proceedings of the 16th International Conference on Systems Engineering, vol. 2, pp. 586-591, Coventry University, UK, 9-11 September, 2003




  • “A method and apparatus for determining the topography of a seafloor and a vessel comprising the apparatus” Priority Date: Jun 15, 2007, J. Riordan, E. Thurman, & D. Toal
    United States patent #8305841
    European PCT patent #2165214


Book Chapters


  • D. Toal, E. Omerdic, J. Riordan & S. Nolan, “Multi-Mode Operations Marine Robotic Vehicle - A Mechatronics Case Study”, Chapter 6 in Mechatronics in Action, pp 103-119, Springer, London, 2009, ISBN 978-1-84996-079-3


  • E. Thurman, J. Riordan, & D. Toal, “Multi-Sonar Integration and the Advent of Sensor Intelligence”, in Advances in Sonar Technology, pp. 151-164, I-Tech Education and Publishing, 2009, ISBN 978-3-902613-48-6


PhD Supervision


  • Edward Thurman, “Novel Real-Time Adaptive Control of Multiple Co-Located Acoustic Sensors for Ocean Mapping and Other Hydrographical Applications”. Supervisors: Dr. Daniel Toal & Dr. James Riordan, University of Limerick, 2010


  • Francis Flannery, “Optimised Parallel Processing Framework for Real-Time Modelling/Simulation of Underwater Systems”. Supervisors: Dr. Daniel Toal & Dr. James Riordan. University of Limerick, Expected graduation Q3 2018



Awards as Managing Director of SonarSim


  • 2012 – IBM SmartOcean Innovation Award


  • 2012 – Limerick City Enterprise Board Innovation Award


  • 2014 – InterTradeIreland Seedcorn Best New Start Company




Current teaching activities and interests

Programme Leader

  • BSc (Hons) IT: Software Development, Graduate Apprenticeship


  • Co-PI (with Dr. Miriam Birch) of the £720k Skills Development Scotland funded (2018) CPD - Graduate Apprenticeship delivery 2018/22: IT - Software Development.


Module Coordinator and Senior Lecturer (130 cr.)


  • BSc (Hons) Games Technology

Real-time 3D Graphics (L8, 20 cr.)
Advanced Graphics Programming (L9, 20 cr.)


  • BSc (Hons) IT: Software Development

Intro to Software Development (L7, 40 cr.)
Work Based Learning 1 (L7, 40 cr.)
Computer Systems (L7, 10 cr.)


Area of academic expertise - outline

Subsea Technology; Underwater Acoustics; Smart Robotics; Remote Sensing / Reality Capture; Virtual/Augmented Reality Systems; Modelling & Simulation; Scientific Programming; E-learning & Pedagogical Technology; Geospatial Science; High-Performance Visualisation; Video Game Engines; Point Cloud & Mesh Processing; Artificial Intelligence;

External positions

Managing Director, SonarSim

1 Apr 2010 → …

Research Principal Investigator , University of Limerick

1 Sep 200731 Mar 2010

Research Fellow, University of Limerick

1 Sep 200631 Aug 2007

Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

Cameras Chemical Compounds
cameras Physics & Astronomy
Monocular Vision Medicine & Life Sciences
Robotics Medicine & Life Sciences
Lakes Medicine & Life Sciences
Acoustics Medicine & Life Sciences
Oceans and Seas Medicine & Life Sciences
sensors Physics & Astronomy

Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output 2018 2018

Real-time underwater StereoFusion

Rossi, M., Trslic, P., Sivcev, S., Riordan, J., Toal, D. & Dooly, G. 14 Nov 2018 In : SENSORS. 18, 11, 17 p., 3936

Research output: Contribution to journalArticle

Open Access
Monocular Vision