2025

Yamani, Hoda; Xing, Yuning; Ong, Lee Violet C; MacDonald, Bruce A; Williams, Henry

Reward Prediction Error Prioritisation in Experience Replay: The RPE-PER Method Journal Article

In: arXiv preprint arXiv:2501.18093, 2025.

BibTeX

2024

Williams, Henry; Smith, David; Shahabi, Jalil; Gee, Trevor; Qureshi, Ans; McGuinness, Ben; Harvey, Scott; Downes, Catherine; Jangali, Rahul; Black, Kale; others,

Archie Jnr: A Robotic Platform for Autonomous Cane Pruning of Grapevines Proceedings Article

In: 2024 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), pp. 11736–11743, IEEE 2024.

BibTeX

Williams, Henry; Qureshi, Ans H; Smith, David; Gee, Trevor; McGuinness, Ben; Jangali, Rahul; Black, Kale; Harvey, Scott; Downes, Catherine; Lim, Hin; others,

Archie Snr: A Robotic Platform for Autonomous Apple Fruitlet Thinning Proceedings Article

In: 2024 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), pp. 11781–11788, IEEE 2024.

BibTeX

Qiao, Ting; Williams, Henry; Valencia, David; MacDonald, Bruce

Bounded Exploration with World Model Uncertainty in Soft Actor-Critic Reinforcement Learning Algorithm Journal Article

In: arXiv preprint arXiv:2412.06139, 2024.

BibTeX

Williams, Henry; Harvey, Scott; McGuinness, Ben; Smith, David; Lim, Hin; Duke, Mike

The Barracuda: A Novel Cutting Mechanism for Pruning Canes Wrapped around Wires Proceedings Article

In: 2024 IEEE 20th International Conference on Automation Science and Engineering (CASE), pp. 3286–3293, IEEE 2024.

BibTeX

Sim, Alicia; Pearse, Jonathan; McGuinness, Ben; Williams, Henry; Duke, Mike

Evaluation of a low-cost selective shaking device and soft surface catchment for fresh market blueberry harvesting Proceedings Article

In: 2024 IEEE 20th International Conference on Automation Science and Engineering (CASE), pp. 2813–2818, IEEE 2024.

BibTeX

Jangali, Rahul; McGuinness, Ben; Lim, Hin; Williams, Henry; Qureshi, Ans H; Smith, David; MacDonald, Bruce A; Duke, Mike

Development of a Novel Multipurpose Robotic End Effector for Fruitlet Thinning and Fruit Harvesting of Apples Proceedings Article

In: 2024 IEEE 20th International Conference on Automation Science and Engineering (CASE), pp. 2073–2078, IEEE 2024.

BibTeX

Cutler, Elizabeth; Xing, Yuning; Cui, Tony; Zhou, Brendan; Rijnsoever, Koen; Hart, Ben; Valencia, David; Ong, Lee Violet C; Gee, Trevor; Liarokapis, Minas; others,

Benchmarking Reinforcement Learning Methods for Dexterous Robotic Manipulation with a Three-Fingered Gripper Journal Article

In: arXiv preprint arXiv:2408.14747, 2024.

BibTeX

Valencia, David; Williams, Henry; Xing, Yuning; Gee, Trevor; Liarokapis, Minas; MacDonald, Bruce A

Image-Based Deep Reinforcement Learning with Intrinsically Motivated Stimuli: On the Execution of Complex Robotic Tasks Proceedings Article

In: 2024 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), pp. 587–594, IEEE 2024.

BibTeX

Forsberg, Briony; Williams, Henry; MacDonald, Bruce; Chen, Tracy; Hamzeh, Reza; Hulse, Kirstine

Utilising Explainable Techniques for Quality Prediction in a Complex Textiles Manufacturing Use Case Proceedings Article

In: 2024 IEEE 20th International Conference on Automation Science and Engineering (CASE), pp. 245–251, IEEE 2024.

BibTeX

Valencia, David; Williams, Henry; Gee, Trevor; MacDonaland, Bruce A; Liarokapis, Minas

CTD4-A Deep Continuous Distributional Actor-Critic Agent with a Kalman Fusion of Multiple Critics Journal Article

In: arXiv preprint arXiv:2405.02576, 2024.

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Merton, Harvey; Delamore, Thomas; Stol, Karl; Williams, Henry

Deep Reinforcement Learning for Local Path Following of an Autonomous Formula SAE Vehicle Journal Article

In: arXiv preprint arXiv:2401.02903, 2024.

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2023

Sim, A; McGuinness, B; Lim, SH; Williams, H; Duke, M

Redefining selective blueberry harvesting-localised shaking with minimal damage Proceedings Article

In: ACRA, 2023.

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Valencia, David; Jia, John; Li, Raymond; Hayashi, Alex; Cutler, Elizabeth; Gee, Trevor; Liarokapis, Minas; MacDonald, Bruce; Henry, Williams

On Model-Free Deep Reinforcement Learning for Dexterous Robotic Manipulation: Benchmarks, Analyses, Challenges, and Implementation Tips Proceedings Article

In: Australasian Conference on Robotics and Automation, 2023.

BibTeX

Alicia, Sim.; McGuinness, Ben; Lim, Shen Hin; Williams, Henry; Duke, Mike

Redefining Selective Blueberry Harvesting - Localised Shaking with Minimal Damage Proceedings Article

In: Australasian Conference on Robotics and Automation, 2023.

BibTeX

Forsberg, Briony; Williams, Henry; MacDonald, Bruce; Chen, Tracy; Hulse, Kirstine

Textile Anomaly Detection: Evaluation of the State-of-the-Art for Automated Quality Inspection of Carpet Proceedings Article

In: Australasian Conference on Robotics and Automation, 2023.

BibTeX

Tattersall, Andrew; McGuinness, Benjamin; Lim, Hin; Au, Chi Kit; Williams, Henry; Duke, Mike

The Effect of Dimensional Parameters on the Performance of DDMRs Proceedings Article

In: 2023 IEEE 19th International Conference on Automation Science and Engineering (CASE), pp. 1–6, IEEE 2023.

BibTeX

Williams, Henry; Smith, David; Shahabi, Jalil; Gee, Trevor; Nejati, Mahla; McGuinness, Ben; Black, Kale; Tobias, Jonathan; Jangali, Rahul; Lim, Hin; others,

Modelling wine grapevines for autonomous robotic cane pruning Journal Article

In: biosystems engineering, vol. 235, pp. 31–49, 2023.

BibTeX

Qureshi, Ans; Smith, David; Gee, Trevor; Nejati, Mahla; Shahabi, Jalil; Lim, JongYoon; Ahn, Ho Seok; McGuinness, Ben; Downes, Catherine; Jangali, Rahul; others,

Seeing the Fruit for the Leaves: Robotically Mapping Apple Fruitlets in a Commercial Orchard Proceedings Article

In: 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), pp. 3234–3239, IEEE 2023.

BibTeX

Kweon, Andy; Hu, Vishnu; Lim, Jong Yoon; Gee, Trevor; Liu, Edmond; Williams, Henry; MacDonald, Bruce A; Nejati, Mahla; Sa, Inkyu; Ahn, Ho Seok

Visual based Tomato Size Measurement System for an Indoor Farming Environment Journal Article

In: arXiv preprint arXiv:2304.06177, 2023.

BibTeX

Xing, Yuning; Pham, Dexter; Williams, Henry; Smith, David; Ahn, Ho Seok; Lim, JongYoon; MacDonald, Bruce A; Nejati, Mahla

Look how they have grown: Non-destructive Leaf Detection and Size Estimation of Tomato Plants for 3D Growth Monitoring Journal Article

In: arXiv preprint arXiv:2304.03610, 2023.

BibTeX

Valencia, David; Jia, John; Li, Raymond; Hayashi, Alex; Lecchi, Megan; Terezakis, Reuel; Gee, Trevor; Liarokapis, Minas; MacDonald, Bruce A; Williams, Henry

Comparison of model-based and model-free reinforcement learning for real-world dexterous robotic manipulation tasks Proceedings Article

In: 2023 IEEE international conference on robotics and automation (ICRA), pp. 871–878, IEEE 2023.

BibTeX

Qureshi, Ans; Loh, Neville; Kwon, Young Min; Smith, David; Gee, Trevor; Bachelor, Oliver; McCulloch, Josh; Nejati, Mahla; Lim, JongYoon; Green, Richard; others,

Seeing the fruit for the leaves: towards automated apple fruitlet thinning Journal Article

In: arXiv preprint arXiv:2302.09716, 2023.

BibTeX

2022

Burch, K; Nepia, M; Jones, N; Muru-Lanning, M; Williams, H; O’Connor, M

Robots in the workplace: Behind the digital interface/Ng=a karehiko kei te w=ahi mahi: Kei muri i te t=ahono matihiko Journal Article

In: More zeroes and ones: Digital technology and equity in Aotearoa New Zealand, pp. 64–85, 2022.

BibTeX

Salvaji, D. Valencia H. Taylor A.

Racing Towards Reinforcement Learning based control of an Autonomous Formula SAE Car Proceedings Article

In: Australasian Conference on Robotics and Automation, ACRA, 2022.

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2021

Williams, Henry; Bell, Jamie; Nejati, Mahla; Hussein, Salome; Penhall, Nicky; Lim, Jong Yoon; Jones, Mark Hedley; Ahn, Ho Seok; Bradley, Stuart; Schaare, Peter; others,

Evaluating the quality of kiwifruit pollinated with an autonomous robot. Journal Article

In: Field Robotics, vol. 1, no. 1, pp. 231–252, 2021.

BibTeX

Valencia, David; Williams, Henry; MacDonald, Bruce; Qiao, Ting

Action-Conditioned Frame Prediction Without Discriminator Proceedings Article

In: International Conference on Machine Learning, Optimization, and Data Science, pp. 324–337, Springer International Publishing Cham 2021.

BibTeX

2020

Lim, JongYoon; Ahn, Ho Seok; Nejati, Mahla; Bell, Jamie; Williams, Henry; MacDonald, Bruce A

Deep neural network based real-time kiwi fruit flower detection in an orchard environment Journal Article

In: arXiv preprint arXiv:2006.04343, 2020.

BibTeX

Nejati, Mahla; Penhall, Nicky; Williams, Henry; Bell, Jamie; Lim, JongYoon; Ahn, Ho Seok; MacDonald, Bruce

Kiwifruit detection in challenging conditions Journal Article

In: arXiv preprint arXiv:2006.11729, 2020.

BibTeX

Williams, Henry; Ting, Canaan; Nejati, Mahla; Jones, Mark Hedley; Penhall, Nicky; Lim, JongYoon; Seabright, Matthew; Bell, Jamie; Ahn, Ho Seok; Scarfe, Alistair; others,

Improvements to and large-scale evaluation of a robotic kiwifruit harvester Journal Article

In: Journal of Field Robotics, vol. 37, no. 2, pp. 187–201, 2020.

BibTeX

Williams, Henry; Nejati, Mahla; Hussein, Salome; Penhall, Nicky; Lim, Jong Yoon; Jones, Mark Hedley; Bell, Jamie; Ahn, Ho Seok; Bradley, Stuart; Schaare, Peter; others,

Autonomous pollination of individual kiwifruit flowers: Toward a robotic kiwifruit pollinator Journal Article

In: Journal of Field Robotics, vol. 37, no. 2, pp. 246–262, 2020.

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2019

Bulog, E.; Frost, M.; Williams, H.

Deep reinforcement learning for path planning Proceedings Article

In: Australasian Conference on Robotics and Automation, ACRA, 2019.

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Yang, Fung; Ahn, Ho Seok; Lim, JongYoon; Nejati, Mahla; Williams, Henry; MacDonald, Bruce

System designed to enable scientific analysis on robot pollination algorithm for orchard robot research Proceedings Article

In: 2019 International Conference on Electronics, Information, and Communication (ICEIC), pp. 1–6, IEEE 2019.

BibTeX

Williams, Henry AM; Jones, Mark H; Nejati, Mahla; Seabright, Matthew J; Bell, Jamie; Penhall, Nicky D; Barnett, Josh J; Duke, Mike D; Scarfe, Alistair J; Ahn, Ho Seok; others,

Robotic kiwifruit harvesting using machine vision, convolutional neural networks, and robotic arms Journal Article

In: biosystems engineering, vol. 181, pp. 140–156, 2019.

BibTeX

2017

Williams, Henry; Browne, Will N; Carnegie, Dale A

Learned Action SLAM: Sharing SLAM through learned path planning information between heterogeneous robotic platforms Journal Article

In: Applied Soft Computing, vol. 50, pp. 313–326, 2017.

BibTeX

Barnett, Josh; Seabright, Matthew; Williams, Henry AM; Nejati, Mahla; Scarfe, Alastair J; Bell, Jamie; Jones, Mark Hedley; Martinson, P; Schaare, P; Duke, Mike

Robotic pollination-targeting kiwifruit flowers for commercial application Proceedings Article

In: PA17 international tri-conference for precision agriculture, 2017.

BibTeX

Duke, M; Barnett, J; Bell, J; Jones, MH; Martinson, P; McDonald, B; Lim, J

Automated pollination of kiwifruit flowers Proceedings Article

In: 7th Asian-Australasian Conference on Precision Agriculture, pp. 1–5, 2017.

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2016

Williams, Henry

Human inspired robotic path planning and heterogeneous robotic mapping PhD Thesis

Open Access Te Herenga Waka-Victoria University of Wellington, 2016.

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2015

Williams, Henry; Lee-Johnson, Christopher; Browne, Will N; Carnegie, Dale A

Emotion inspired adaptive robotic path planning Proceedings Article

In: 2015 IEEE congress on evolutionary computation (CEC), pp. 3004–3011, IEEE 2015.

BibTeX

Williams, Henry; Naqvi, Syed S; Browne, Will N; Hollitt, Christopher

Introduction of a human based attention model for robotic navigation Proceedings Article

In: 2015 International Conference on Image and Vision Computing New Zealand (IVCNZ), pp. 1–6, IEEE 2015.

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2014

Williams, Henry; Browne, Will N; Carnegie, Dale A

Robotic competitions: Short term pain for long term gain Proceedings Article

In: Proceedings of the 2014 Australasian Conference on Robotics & Automation, 2014.

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2012

Williams, Henry; Browne, Will N; Milford, Michael

Image region salience for improving appearance-based place recognition using a supervised classifier system Proceedings Article

In: Proceedings of the 2012 Australasian Conference on Robotics & Automation, pp. 1–10, Australian Robotics & Automation Association 2012.

BibTeX

Williams, Henry; Browne, Will N

Integration of Learning Classifier Systems with simultaneous localisation and mapping for autonomous robotics Proceedings Article

In: 2012 IEEE Congress on Evolutionary Computation, pp. 1–8, IEEE 2012.

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