Machine learning in classification and identification of nonconventional vegetables

Abstract

Vegetables are important in economic, social, and nutritional matters in both the Brazilian and international scenes. Hence, some researches have been carried out in order to encourage the production and consumption of different species such as nonconventional vegetables. These vegetables have an added value because of their nutritional quality and nostalgic appeal due to the reintroduction of these species. For this reason, this article proposes the use of the machine learning technique in the construction of models for supervised classification and identification in an experiment with five leafy special of nonconventional vegetables (Tropaeolum majus, Rumex acetosa, Stachys byzantina, Lactuca cf. indica e Pereskia aculeata) assessing the characteristics of the macro and micro nutrients. In order to evaluate the classifiers' performance, the cross-validation procedure via Monte Carlo simulation was considered to confirm the model. In ten replications, the success and error rates were obtained, considering the false positive and false negative rates, sensibility, and accuracy of the classification method. Thus, it was concluded that the use of machine learning is viable because it allows the classification and identification of nonconventional vegetables using few nutritional attributes and obtaining a success rate of over 89% in most of the classifiers tested.

X‐ray‐based machine vision technique for detection of internal defects of sterculia seeds

“…An online sorting system of deep CNN was used to grade bell peppers into five classes based on appearance inspection with accuracy of 96.9% (Mohi‐Alden et al., 2021). A machine learning technique was applied for classification and identification with five special nonconventional leafy vegetables and obtained a success rate over 89% (Ossani et al., 2020). A fine‐tuned VGG16 model was used to recognize potato leaf blight diseases with an accuracy of 97.89% (Chakraborty et al., 2022).…”

Nutritional and bioactive compounds of Amaranthus spp. in Brazil

“…In the past, some of these species were used in the feeding of rural populations, and, recently, its importance is restricted to the fact they are invasive plants. Sometimes, they can be found as food for small indigenous and quilombola populations, thus little known by the rest of the population being considered, in Brazil, as non-conventional vegetables (Ossani et al, 2020;Silva et al, 2018;Xavier et al, 2019).…”