Abstract
India is one of the world's leading tea producers, yet more than 70% of the country's tea is consumed domestically. Tea leaf diseases have a significant impact on the quality and yield of tea. So, it is very important to find a more accurate method to identify tea leaf diseases correctly. Due to very limited number of tea leaf images, classification is very difficult. Very frequently overfitting of model occurs. To cope up with this, we applied images augmentation process, that increased dataset nearly fourteen times. But still this number of datasets is not adequate for DL based classification. So, we used here deep learning for feature extraction and machine learning based classifier for classification. In this work, we have proposed a hybrid technique that combines deep learning-based features of augmented dataset with machine learning based classifier for getting better classification result. In proposed work, VGG-16 is used for colour feature extraction from the tea leaf dataset. Based on this feature, model is built and several machine learning-based classifiers like KNN, XGB, Random Forest, and kernelized SVM are employed for classification task. Our proposed model achieved highest classification accuracy with Sigmoid and Linear kernel based SVM and VGG-16 features. The accuracy of proposed model is 96.67%. We compared our proposed work with existing work on tea leaf dataset and found that our model is performing comparatively better.
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Bhagat, M., Kumar, D. Performance enhancement of kernelized SVM with deep learning features for tea leaf disease prediction. Multimed Tools Appl 83, 39117–39134 (2024). https://doi.org/10.1007/s11042-023-17172-1
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DOI: https://doi.org/10.1007/s11042-023-17172-1