Neural Classification of Compost Maturity by Means of the Self-Organising Feature Map Artificial Neural Network and Learning Vector Quantization Algorithm

Piotr Boniecki, Małgorzata Idzior-Haufa, Agnieszka A. Pilarska, Krzysztof Pilarski and Alicja Kolasa-Wiecek
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Piotr Boniecki: Institute of Biosystems Engineering, Poznań University of Life Sciences, Wojska Polskiego 50, 60-637 Poznań, Poland
Małgorzata Idzior-Haufa: Department of Gerodontology and Oral Pathology, Poznań University of Medical Sciences, Bukowska 70, 60-812 Poznań, Poland
Agnieszka A. Pilarska: Institute of Food Technology of Plant Origin, Poznań University of Life Sciences, Wojska Polskiego 31, 60-637 Poznań, Poland
Krzysztof Pilarski: Institute of Biosystems Engineering, Poznań University of Life Sciences, Wojska Polskiego 50, 60-637 Poznań, Poland
Alicja Kolasa-Wiecek: Institute of Technical Sciences, Opole University, ul. Dmowskiego 7-9, 45-365 Opole, Poland

IJERPH, 2019, vol. 16, issue 18, 1-9

Abstract: Self-Organising Feature Map (SOFM) neural models and the Learning Vector Quantization (LVQ) algorithm were used to produce a classifier identifying the quality classes of compost, according to the degree of its maturation within a period of time recorded in digital images. Digital images of compost at different stages of maturation were taken in a laboratory. They were used to generate an SOFM neural topological map with centres of concentration of the classified cases. The radial neurons on the map were adequately labelled to represent five suggested quality classes describing the degree of maturation of the composted organic matter. This enabled the creation of a neural separator classifying the degree of compost maturation based on easily accessible graphic information encoded in the digital images. The research resulted in the development of original software for quick and easy assessment of compost maturity. The generated SOFM neural model was the kernel of the constructed IT system.

Keywords: non-parametric classification; SOFM neural network; LVQ algorithm (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
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