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Classification of M...
Classification of Maize in Complex Smallholder Farming Systems Using UAV Imagery
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- Hall, Ola (författare)
- Lund University,Lunds universitet,Institutionen för kulturgeografi och ekonomisk geografi,Samhällsvetenskapliga institutioner och centrumbildningar,Samhällsvetenskapliga fakulteten,Department of Human Geography,Departments of Administrative, Economic and Social Sciences,Faculty of Social Sciences
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- Dahlin, Sigrun (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences,Institutionen för mark och miljö,Department of Soil and Environment
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- Marstorp, Håkan (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences,Institutionen för mark och miljö,Department of Soil and Environment
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- Archila, Maria (författare)
- Lund University,Lunds universitet,Institutionen för kulturgeografi och ekonomisk geografi,Samhällsvetenskapliga institutioner och centrumbildningar,Samhällsvetenskapliga fakulteten,Department of Human Geography,Departments of Administrative, Economic and Social Sciences,Faculty of Social Sciences
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- Öborn, Ingrid (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences,Institutionen för växtproduktionsekologi,Department of Crop Production Ecology,World Agroforestry Centre (ICRAF),Center for International Forestry Research (CIFOR)
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- Jirström, Magnus (författare)
- Lund University,Lunds universitet,Institutionen för kulturgeografi och ekonomisk geografi,Samhällsvetenskapliga institutioner och centrumbildningar,Samhällsvetenskapliga fakulteten,Department of Human Geography,Departments of Administrative, Economic and Social Sciences,Faculty of Social Sciences
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(creator_code:org_t)
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- 2018-06-22
- 2018
- Engelska 8 s.
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Ingår i: Drones. - : MDPI AG. - 2504-446X. ; 2:3, s. 1-8
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://pub.epsilon.... (primary) (Raw object) (free)
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https://lup.lub.lu.s...
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https://doi.org/10.3...
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https://res.slu.se/i...
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Abstract
Ämnesord
Stäng
- Yield estimates and yield gap analysis are important for identifying poor agricultural productivity. Remote sensing holds great promise for measuring yield and thus determining yield gaps. Farming systems in sub-Saharan Africa (SSA) are commonly characterized by small field size, intercropping, different crop species with similar phenologies, and sometimes high cloud frequency during the growing season, all of which pose real challenges to remote sensing. Here, an unmanned aerial vehicle (UAV) system based on a quadcopter equipped with two consumer-grade cameras was used for the delineation and classification of maize plants on smallholder farms in Ghana. Object-oriented image classification methods were applied to the imagery, combined with measures of image texture and intensity, hue, and saturation (IHS), in order to achieve delineation. It was found that the inclusion of a near-infrared (NIR) channel and red–green–blue (RGB) spectra, in combination with texture or IHS, increased the classification accuracy for both single and mosaic images to above 94%. Thus, the system proved suitable for delineating and classifying maize using RGB and NIR imagery and calculating the vegetation fraction, an important parameter in producing yield estimates for heterogeneous smallholder farming systems.
Ämnesord
- SAMHÄLLSVETENSKAP -- Social och ekonomisk geografi -- Kulturgeografi (hsv//swe)
- SOCIAL SCIENCES -- Social and Economic Geography -- Human Geography (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Jordbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Agricultural Science (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Fjärranalysteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Remote Sensing (hsv//eng)
Nyckelord
- UAV
- remote sensing
- maize
- OBIA
- Ghana
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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