Dr Huajian Liu
Grant-Funded Researcher (A)
School of Agriculture, Food and Wine
Faculty of Sciences, Engineering and Technology
Eligible to supervise Masters and PhD - email supervisor to discuss availability.
From 2015 to 2018, I did my PhD of computer vision for pest detection on crops at the University of South Australia. In 2018, I joined The Plant Accelerator, University of Adelaide as a post-doctoral researcher and spent two years in using hyperspectral images to estimate nitrogen content in wheat. I am currently working as a research fellow in The Plant Accelerator and my research interests include hyperspectral- and 3D-based plant phenotyping, computer vision, machine learning and deep learning in agriculture, optical sensing system design, bio-inspired machine vision system, bird vision, insect vision, high-dimensional colour space, image processing, 3D model reconstruction and object recognition.
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Journals
Year Citation 2021 Liu, H., & Chahl, J. S. (2021). Proximal detecting invertebrate pests on crops using a deep residual convolutional neural network trained by virtual images. Artificial Intelligence in Agriculture, 5, 13-23.
2020 Liu, H., Bruning, B., Garnett, T., & Berger, B. (2020). Hyperspectral imaging and 3D technologies for plant phenotyping: From satellite to close-range sensing. Computers and Electronics in Agriculture, 175, 13 pages.
Scopus20 WoS202020 Bruning, B., Berger, B., Lewis, M., Liu, H., & Garnett, T. (2020). Approaches, applications, and future directions for hyperspectral vegetation studies: An emphasis on yield‐limiting factors in wheat. The Plant Phenome Journal, 3(1), 22 pages.
Scopus122020 Liu, H., Bruning, B., Garnett, T., & Berger, B. (2020). The performances of hyperspectral sensors for proximal sensing of nitrogen levels in wheat. Sensors (Switzerland), 20(16), 1-21.
Scopus2 WoS22019 Bruning, B., Liu, H., Brien, C., Berger, B., Lewis, M., & Garnett, T. (2019). The Development of Hyperspectral Distribution Maps to Predict the Content and Distribution of Nitrogen and Water in Wheat (Triticum aestivum).. Frontiers in plant science, 10, 1380.
Scopus27 WoS26 Europe PMC52018 Liu, H., & Chahl, J. (2018). A multispectral machine vision system for invertebrate detection on green leaves. Computers and Electronics in Agriculture, 150, 279-288.
Scopus20 WoS16 Europe PMC12018 Liu, H., Lee, S. -H., & Chahl, J. S. (2018). Registration of multispectral 3D points for plant inspection. Precision Agriculture, 19(3), 513-536.
Scopus11 WoS82017 Liu, H., Lee, S. -H., & Chahl, J. S. (2017). A review of recent sensing technologies to detect invertebrates on crops. Precision Agriculture, 18(4), 635-666.
Scopus29 WoS27 Europe PMC32017 Liu, H., Lee, S. -H., & Chahl, J. S. (2017). An evaluation of the contribution of ultraviolet in fused multispectral images for invertebrate detection on green leaves. Precision Agriculture, 18(4), 667-683.
Scopus7 WoS62017 Liu, H., Lee, S. -H., & Chahl, J. S. (2017). A multispectral 3-D vision system for invertebrate detection on crops. IEEE Sensors Journal, 17(22), 7502-7515.
Scopus19 WoS152017 Liu, H., Lee, S. -H., & Chahl, J. S. (2017). Transformation of a high-dimensional color space for material classification. Journal of the Optical Society of America A, 34(4), 523.
Scopus12 WoS13 Europe PMC12014 Liu, H., Lee, S. H., & Saunders, C. (2014). Development of a machine vision system for weed detection during both of off-season and in-season in broadacre no-tillage cropping lands. American Journal of Agricultural and Biological Sciences, 9(2), 174-193.
Scopus192013 Liu, H., Saunders, C., & Lee, S. H. (2013). Development of a proximal machine vision system for off-season weed mapping in broadacre No-Tillage fallows. Journal of Computer Science, 9(12), 1803-1821.
Scopus11Xie, Y., Plett, D., & Liu, H. (n.d.). The Promise of Hyperspectral Imaging for the Early Detection of Crown Rot in Wheat. AgriEngineering, 3(4), 924-941.
Xie, Y., Plett, D., & Liu, H. (n.d.). Detecting Crown Rot Disease in Wheat in Controlled Environment Conditions Using Digital Color Imaging and Machine Learning. AgriEngineering, 4(1), 141-155.
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Conference Papers
Year Citation 2018 Chahl, J., & Liu, H. (2018). Bioinspired invertebrate pest detection on standing crops. In Bioinspiration, Biomimetics, and Bioreplication VIII Vol. 10593 (pp. 105930B-1-105930B-14). online: SPIE.
2015 Liu, H., & Lee, S. (2015). Stitching of video sequences for weed mapping. In 2015 International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP) (pp. 441-444). Online: IEEE.
Scopus5 WoS52013 Liu, H. (2013). Development of a green plant image segmentation method of machine vision system for no-tillage fallow weed detection. In innovative agricultural technologies for a sustainable futur. Mandurah, WA, Australia. -
Conference Items
Year Citation 2019 Liu, H., Bruning, B., Berger, B., & Garnett, T. (2019). Green plant segmentation in hyperspectral images using SVM and hyper-hue. Poster session presented at the meeting of Proceedings: 7th International Workshop on Image Analysis Methods for the Plant Sciences (IAMPS 2019). Lyon, France. 2018 Liu, H. (2018). Invertebrate pest detection on crops using multispectral images and 3D vision. Poster session presented at the meeting of The 5th International Plant Phenotyping Symposium. Adelaide. -
Theses
Year Citation 2018 Liu, H., Lee, S. -H., & Chahl, J. (2018). MACHINE VISION FOR DETECTION OF INVERTEBRATES ON CROPS. 2015 Liu, H., Saunder, C., & Lee, S. -H. (2015). Development of the Algorithms and Mechanism of a Machine Vision System for Both Summer and In-season Weed Mapping in Broadacre No-till Cropping Lands. -
Datasets
Year Citation Liu, H., Berger, B., Garnett, T., & Bruning, B. (n.d.). public data for wheat_n experiment.
- 2019 GRDC Project "New methods for snail control” (1977340), Academic Deputy, AUD$140,250
- 2020 Yitpi Foundation Awards 2020 “Hyperspectral phenotyping for the rapid identification and quantification of crown rot in wheat”, project lead/primary investigator, AUD$ 18,150
- 2021 Research Roadmap Improving detection and monitoring of biosecurity threats using drones, field robots and machine learning, chief investigator, AUD$ 43, 330
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Current Higher Degree by Research Supervision (University of Adelaide)
Date Role Research Topic Program Degree Type Student Load Student Name 2022 Principal Supervisor Application of Imaging Technologies in Agricultural Phenotyping and Plant Phenomics Research Doctor of Philosophy Doctorate Full Time Mr Yiting Xie
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