Improving pasture growth assessment using machine vision

Paper


McCarthy, Alison, Raedts, Pieter, Foley, Joseph and Hills, James. 2022. "Improving pasture growth assessment using machine vision." Australasian Dairy Science Symposium 2022 (ADSS 2022). Twin Waters, Australia 30 Nov - 02 Dec 2022
Paper/Presentation Title

Improving pasture growth assessment using machine vision

Presentation TypePaper
AuthorsMcCarthy, Alison, Raedts, Pieter, Foley, Joseph and Hills, James
Journal or Proceedings TitleProceedings of Australasian Dairy Science Symposium 2022
Year2022
Conference/EventAustralasian Dairy Science Symposium 2022 (ADSS 2022)
Event Details
Australasian Dairy Science Symposium 2022 (ADSS 2022)
Parent
Australasian Dairy Science Symposium (ADSS)
Delivery
In person
Event Date
30 Nov 2022 to end of 02 Dec 2022
Event Location
Twin Waters, Australia
Abstract

Frequent pasture dry matter and quality assessments are vital for determining grazing schedules and managing the feed base, and ultimately profitability. Dry matter is typically assessed from manual observations or tools such as a rising plate meter that are labour-intensive and can be prone to subjective variability. Spatial dry matter assessment can be automated using satellite imagery which may be limited by cloud cover, and on-the-go height or multispectral sensors which require manual operation to traverse the field. There is potential for infield machine vision cameras to provide pasture quality and quantity features at a daily time scale, while also significantly reducing labour and increasing accuracy and repeatability in feed base assessments. This system could also detect grazing events which could be used to automate record keeping and improve pasture management. Field and image datasets have been collected over two irrigated pasture seasons at a field within Tasmanian Institute of Agriculture’s Dairy Research Farm at Elliott where perennial ryegrass is dominant (90-95%). Daily images were collected from cameras, analysed and compared with estimates of dry matter quantity from weekly-fortnightly C-Dax measurements. A machine vision system was developed that detected pasture dry matter amount with r = 0.715 and RMSE = 381.5 kg DM/ha. The camera system used trends of assessed dry matter quantity to accurately detect grazing date. The system could monitor daily pasture growth rate and assist in making grazing and management decisions in pasture production systems. Further work includes evaluating other machine vision properties and different pasture compositions.

KeywordsDry matter biomass, image analysis, colour indices, texture
ANZSRC Field of Research 2020400702. Automation engineering
460304. Computer vision
300499. Crop and pasture production not elsewhere classified
Byline AffiliationsNational Centre for Engineering in Agriculture
Institution of OriginUniversity of Southern Queensland
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McCarthy, Alison. 2011. "NPSI/IAL travel fellowship 2010: site-specific irrigation control and sensing systems." Irrigation Australia. 26 (4), pp. 34-35.
Evaluation of sap flow sensors to measure the transpiration rate of plants during sprinkler irrigation
Uddin, J., Smith, R. J., Hancock, N. H. and Foley, J.. 2011. "Evaluation of sap flow sensors to measure the transpiration rate of plants during sprinkler irrigation." Banhazi, T., Saunders, C. and Hegarty, R. (ed.) SEAg 2011: Diverse Challenges, Innovative Solutions. Gold Coast, Australia 29 - 30 Sep 2011 Canberra, Australia.
Eddy covariance measurements of the total evaporation during sprinkler irrigation - preliminary results
Uddin, J., Smith, R. J., Hancock, N. H. and Foley, J.. 2011. "Eddy covariance measurements of the total evaporation during sprinkler irrigation - preliminary results." Banhazi, T., Saunders, C. and Hegarty, R. (ed.) SEAg 2011: Diverse Challenges, Innovative Solutions. Gold Coast, Australia 29 - 30 Sep 2011 Canberra, Australia.
Real-time data requirements for model-based adaptive control of irrigation scheduling in cotton
McCarthy, A. C., Hancock, N. H. and Raine, S. R.. 2011. "Real-time data requirements for model-based adaptive control of irrigation scheduling in cotton." Australian Journal of Multi-Disciplinary Engineering. 8 (2), pp. 189-206.
Improved irrigation of cotton via real-time, adaptive control of large mobile irrigation machines
McCarthy, Alison. 2010. Improved irrigation of cotton via real-time, adaptive control of large mobile irrigation machines. PhD Thesis Doctor of Philosophy. University of Southern Queensland.
A decision support model for travelling gun irrigation machines
Smith, Rod, Gillies, Malcolm H., Newell, Geoffrey and Foley, Joseph P.. 2008. "A decision support model for travelling gun irrigation machines." Biosystems Engineering. 100 (1), pp. 126-136. https://doi.org/10.1016/j.biosystemseng.2008.01.004
VARIwise: a general-purpose adaptive control simulation framework for spatially and temporally varied irrigation at sub-field scale
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2010. "VARIwise: a general-purpose adaptive control simulation framework for spatially and temporally varied irrigation at sub-field scale." Computers and Electronics in Agriculture. 70 (1), pp. 117-128. https://doi.org/10.1016/j.compag.2009.09.011
Droplet evaporation losses during sprinkler irrigation: an overview
Uddin, Jasim, Smith, Rod, Hancock, Nigel and Foley, Joseph P.. 2010. "Droplet evaporation losses during sprinkler irrigation: an overview." Montagu, Kelvin (ed.) Australian Irrigation Conference and Exibition 2010: One Water Many Futures. Sydney, Australia 08 - 10 Jun 2010 Sydney, Australia.
Simulation of adaptive site-specific irrigation control performance with spatially variable rainfall
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2010. "Simulation of adaptive site-specific irrigation control performance with spatially variable rainfall." Montagu, Kelvin (ed.) Australian Irrigation Conference and Exibition 2010: One Water Many Futures. Sydney, Australia 08 - 10 Jun 2010 Sydney, Australia.
Simulation of site-specific irrigation control strategies with sparse input data
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2010. "Simulation of site-specific irrigation control strategies with sparse input data." 17th World Congress of the International Commission of Agricultural and Biosystems Engineering (CIGR 2010): Sustainable Biosystems Through Engineering. Quebec City, Canada 13 - 17 Jun 2010 Quebec, Canada.
Holistic control system design for large mobile irrigation machines
McCarthy, Alison, Hancock, Nigel and Raine, Steven. 2010. "Holistic control system design for large mobile irrigation machines." 16th Annual Conference on Mechatronics and Machine Vision in Practice (M2VIP 2010). Darussalam, Brunei 22 - 24 Jun 2010 Toowoomba, Australia.
Planning for successful centre pivot and lateral move purchase
Wigginton, David and Foley, Joseph P.. 2005. "Planning for successful centre pivot and lateral move purchase." Irrigation Australia 2005: Irrigation Association of Australia National Conference and Exhibition: Restoring the Balance. Townsville, Australia 17 - 19 May 2005 Hornsby, NSW, Australia.
Development of a simulation framework for variable-rate irrigation of cotton
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2008. "Development of a simulation framework for variable-rate irrigation of cotton." 14th Australian Cotton Conference: New Beginnings – Cotton in a Climate of Change. Gold Coast, Australia 12 - 14 Aug 2008 Narrabri, NSW, Australia.
Managing spatial and temporal variability in irrigated agriculture through adaptive control
Smith, R. J., Raine, Steven R., McCarthy, Alison and Hancock, Nigel. 2009. "Managing spatial and temporal variability in irrigated agriculture through adaptive control." Australian Journal of Multi-Disciplinary Engineering. 7 (1), pp. 79-90.
Exploration of data requirements for adaptive control of irrigation scheduling
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2009. "Exploration of data requirements for adaptive control of irrigation scheduling." Banhazi, T. M. and Saunders, C. (ed.) SEAg 2009: Agricultural Technologies In a Changing Climate. Brisbane, Australia 13 - 16 Sep 2009 Brisbane, Australia.
Towards evaluation of adaptive control systems for improved site-specific irrigation of cotton
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2008. "Towards evaluation of adaptive control systems for improved site-specific irrigation of cotton." Irrigation Australia 2008: Irrigation Association of Australia National Conference and Exhibition: Share the Water, Share the Benefits. Melbourne, Australia 20 - 22 May 2008 Hornsby, NSW, Australia.
Managing spatial and temporal variability in irrigated agriculture through adaptive control
Smith, R. J., Raine, Steven R., McCarthy, Alison and Hancock, Nigel. 2007. "Managing spatial and temporal variability in irrigated agriculture through adaptive control." Banhazi, T. M. and Saunders, C. (ed.) SEAg 2007: Agriculture and Engineering - Challenge Today, Technology Tomorrow. Adelaide, Australia 24 - 26 Sep 2007 Australia.
Evaporation, seepage and water quality management in storage dams: a review of research methods
Craig, Ian, Aravinthan, Vasantha, Baillie, Craig Peter, Beswick, Alan, Barnes, Geoff, Bradbury, Ron, Connell, Luke, Cooper, Paul, Fellows, Christopher, Fitzmaurice, Li, Foley, Joseph P., Hancock, Nigel, Lamb, David, Morrison, Pippa, Mossad, Ruth, Misra, R. K., Pittaway, Pam, Prime, Emma, Rees, Steve, ..., Turnbull, David. 2007. "Evaporation, seepage and water quality management in storage dams: a review of research methods." Environmental Health. 7 (3), pp. 84-97.
Farming practices under centre pivots and lateral move machines
Wigginton, David and Foley, Joseph. 2006. "Farming practices under centre pivots and lateral move machines." The Australian Cottongrower. 27 (3), pp. 47-48.
Centre pivot and lateral move machines
Foley, Joseph P.. 2008. "Centre pivot and lateral move machines." Smith, Peter and Madden, Elizabeth (ed.) WATERpak: a guide for irrigation management in cotton. Narrabri, Australia. Cotton Research and Development Corporation. pp. 195-220
A decision support model for travelling gun irrigation machines
Smith, Rod, Gillies, Malcolm H., Newell, Geoffrey and Foley, Joseph P.. 2007. "A decision support model for travelling gun irrigation machines." CIGR 2006: Agricultural Engineering for a Better World. Bonn, Germany 03 - 07 Sep 2006
Optimizing overhead irrigation systems
Foley, Joseph P., Wigginton, David and Eberhard, Jochen. 2006. "Optimizing overhead irrigation systems." 13th Australian Cotton Conference: Product, Production, Profit - Progressing our National Advantage (2006). Gold Coast, Australia 08 - 10 Aug 2006 Narrabri, NSW.
Centre pivot and lateral move machines, 1st ed.
Foley, Joseph P.. 2004. "Centre pivot and lateral move machines, 1st ed." Dugdale, Helen, Harris, Graham, Neilsen, James, Richards, Dirk, Roth, Guy and Williams, David (ed.) WATERpak - A guide for irrigation management in cotton. Narrabri, NSW, Australia. Cotton Research and Development Corporation. pp. 195-220