期刊
AGRICULTURE-BASEL
卷 13, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/agriculture13050965
关键词
deep learning; crop; image classification; aerial imagery
类别
In recent years, the use of remote sensing data for crop classification tasks has increased, and artificial intelligence techniques, particularly deep learning, have been employed to analyze the data. This systematic review evaluates the effectiveness of deep learning techniques, including various architectures and data augmentation methods, for crop classification using remote sensing data. The review also examines the impact of factors such as resolution, annotation, and sample quality on classification accuracy. The study emphasizes the need for large amounts of training data and the integration of non-crop classes to improve accuracy in crop classification tasks.
In recent years, the use of remote sensing data obtained from satellite or unmanned aerial vehicle (UAV) imagery has grown in popularity for crop classification tasks such as yield prediction, soil classification or crop mapping. The ready availability of information, with improved temporal, radiometric, and spatial resolution, has resulted in the accumulation of vast amounts of data. Meeting the demands of analysing this data requires innovative solutions, and artificial intelligence techniques offer the necessary support. This systematic review aims to evaluate the effectiveness of deep learning techniques for crop classification using remote sensing data from aerial imagery. The reviewed papers focus on a variety of deep learning architectures, including convolutional neural networks (CNNs), long short-term memory networks, transformers, and hybrid CNN-recurrent neural network models, and incorporate techniques such as data augmentation, transfer learning, and multimodal fusion to improve model performance. The review analyses the use of these techniques to boost crop classification accuracy by developing new deep learning architectures or by combining various types of remote sensing data. Additionally, it assesses the impact of factors like spatial and spectral resolution, image annotation, and sample quality on crop classification. Ensembling models or integrating multiple data sources tends to enhance the classification accuracy of deep learning models. Satellite imagery is the most commonly used data source due to its accessibility and typically free availability. The study highlights the requirement for large amounts of training data and the incorporation of non-crop classes to enhance accuracy and provide valuable insights into the current state of deep learning models and datasets for crop classification tasks.
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