Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/128540
Título: Deep Transfer Learning for Image Classification of Phosphorus Nutrition States in Individual Maize Leaves
Autores/as: Ramos-Ospina, Manuela
Gomez, Luis 
Trujillo, Carlos
Marulanda-Tobón, Alejandro
Palabras clave: Computer Vision
Image Classification
Image Database
Leaf Analysis
Plant Nutrition, et al.
Fecha de publicación: 2024
Publicación seriada: Electronics (Switzerland) 
Resumen: Computer vision is a powerful technology that has enabled solutions in various fields by analyzing visual attributes of images. One field that has taken advantage of computer vision is agricultural automation, which promotes high-quality crop production. The nutritional status of a crop is a crucial factor for determining its productivity. This status is mediated by approximately 14 chemical elements acquired by the plant, and their determination plays a pivotal role in farm management. To address the timely identification of nutritional disorders, this study focuses on the classification of three levels of phosphorus deficiencies through individual leaf analysis. The methodological steps include: (1) using different capture devices to generate a database of images composed of laboratory-grown maize plants that were induced to either total phosphorus deficiency, medium deficiency, or total nutrition; (2) processing the images with state-of-the-art transfer learning architectures (i.e., VGG16, ResNet50, GoogLeNet, DenseNet201, and MobileNetV2); and (3) evaluating the classification performance of the models using the created database. The results show that the DenseNet201 model achieves superior performance, with (Formula presented.) classification accuracy. However, the other studied architectures also demonstrate competitive performance and are considered state-of-the-art automatic leaf nutrition deficiency detection tools. The proposed method can be a starting point to fine-tune machine-vision-based solutions tailored for real-time monitoring of crop nutritional status.
URI: http://hdl.handle.net/10553/128540
DOI: 10.3390/electronics13010016
Fuente: Electronics (Switzerland)[EISSN 2079-9292],v. 13 (1), (Enero 2024)
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