Rapid and Accurate Prediction of Soil Texture Using an Image-Based Deep Learning Autoencoder Convolutional Neural Network Random Forest (DLAC-CNN-RF) Algorithm

Soil determines the degree of water infiltration, crop nutrient absorption, and germination, which in turn affects crop yield and quality. For the efficient planting of agricultural products, the accurate identification of soil texture is necessary. This study proposed a flexible smartphone-based ma...

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Vydáno v:Agronomy (Basel) Ročník 12; číslo 12; s. 3063
Hlavní autoři: Zhao, Zhuan, Feng, Wenkang, Xiao, Jinrui, Liu, Xiaochu, Pan, Shusheng, Liang, Zhongwei
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 01.12.2022
Témata:
Accuracy
Agricultural products
Agriculture
agronomy
Algorithms
Artificial neural networks
Cameras
Classification
Clay
color
computer vision
Crop yield
Deep learning
Digital technology
DLAC-CNN-RF model
Feature extraction
Germination
Graphical user interface
identification
Image processing
Laboratory methods
Machine learning
Machine vision
Methods
Neural networks
nutrient uptake
Particle size
Physical properties
prediction
Sand
Silt
silt fraction
Smartphones
Soil investigations
Soil properties
Soil texture
Soil types
Soils
Spectrum analysis
Texture
user interface
Vision systems
Water infiltration
Wavelet transforms
China
ISSN:2073-4395, 2073-4395
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Shrnutí:Soil determines the degree of water infiltration, crop nutrient absorption, and germination, which in turn affects crop yield and quality. For the efficient planting of agricultural products, the accurate identification of soil texture is necessary. This study proposed a flexible smartphone-based machine vision system using a deep learning autoencoder convolutional neural network random forest (DLAC-CNN-RF) model for soil texture identification. Different image features (color, particle, and texture) were extracted and randomly combined to predict sand, clay, and silt content via RF and DLAC-CNN-RF algorithms. The results show that the proposed DLAC-CNN-RF model has good performance. When the full features were extracted, a very high prediction accuracy for sand (R2 = 0.99), clay (R2 = 0.98), and silt (R2 = 0.98) was realized, which was higher than those frequently obtained by the KNN and VGG16-RF models. The possible mechanism was further discussed. Finally, a graphical user interface was designed and used to accurately predict soil types. This investigation showed that the proposed DLAC-CNN-RF model could be a promising solution to costly and time-consuming laboratory methods.
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ISSN:2073-4395
2073-4395
DOI:10.3390/agronomy12123063