A MULTI-CLASS DISEASE CLASSIFICATION MODEL FOR PLANT LEAVES BY A HYBRID-ENSEMBLE LEARNING TECHNIQUES

Main Article Content

Mrs.R. Dhivya , Dr. N. Shanmugapriya

Keywords

Leaf Diseases, LDD, AKNN, ESVM, PSO, AGB

Abstract

Pathogens like bacteria and fungi could impact devastating consequences on agronomic productivity and even serve as catalysts for further disease outbreaks. Furthermore, the excessive utilization of fungicides and pesticides to manage this concern would both be costly and have a significant negative impact on the environment. Better crop sustainability could be achieved through the use of a technology that uses leaf sample images to identify various illnesses. The field of "Leaf Disease Detection (LDD)" has seen much research and development in classifying different types of leaf diseases. This research contributes to the development of an effective LDD system that is well suited to dealing with multi-class for diagnosing various leaf diseases. To classify several diseases in a plant leaf, this research introduces a novel "Ensemble Learning (EL)" methodology that combines the "ADA and GRADIENT Boosting (AGB)" techniques. Diseases that are induced by both fungi and bacteria could be more easily categorized with the help of this hybrid LDD model. For improving accuracy, the ADA architecture partitions the output's computed values before recombining them using the Gradient technique. With the use of "Particle Swarm Optimization (PSO)", the optimal feature would be selected and minimized to significantly improve classification accuracy. "Gradient Boosting" was primarily used to strengthen the weaker learning groups. Therefore, the most powerful AGB-trained model would categorize the leaf images under class labels such as "Alternaria Alternata", "Anthracnose", "Bacterial Blight", "Cercospora Leaf Spot", and "Healthy Leaves". Classifiers such as the "Bacterial Foraging Optimization based Radial Basis Function Neural Network (BRBFNN)", "Advanced K-Nearest Neighbor (AKNN)", and "Enhanced Support Vector Machine (ESVM)" all have been tested and compared to the proposed AGB classification model. Throughout the current research, we focus on four "Accuracy", "Recall (Sensitivity)", "Precision", and "F-measure" significant metrics for performance. The results demonstrate that the proposed AGB model for classification outperforms the current established approaches.

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