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article · IEEE Access

Improving Plant Disease Classification With Deep-Learning-Based Prediction Model Using Explainable Artificial Intelligence

202467 citationsOpen accessWalter Sisulu University

In plain language

Plant diseases pose severe risks to agricultural yields, product quality, and the broader economy. While deep learning offers strong capabilities for automated disease recognition, the opaque nature of these models makes their predictions difficult to trust and validate. To resolve this issue, an explainable artificial intelligence system was developed to classify plant conditions accurately while offering clear rationales for its outputs. The system detects 38 separate plant diseases, achieving 99.69 percent accuracy, 98.27 percent precision, and 98.26 percent recall. Visual explanations for the predictions are generated using the local interpretable model-agnostic explanations framework, ensuring that the machine decisions align with established explanatory practices and domain knowledge. This transparent approach aims to support dependable decision-making in agricultural disease monitoring.

Key takeaways

  • The developed model classifies 38 distinct plant diseases with an overall accuracy of 99.69 percent.
  • The system achieved precision and recall rates of 98.27 percent and 98.26 percent, respectively.
  • Visual explanations generated via the local interpretable model-agnostic explanations framework clarify the model decisions to build user trust.

Why it matters

Crop diseases directly reduce agricultural productivity and undermine global food security. Although deep learning can spot these diseases swiftly, agricultural managers often hesitate to act on predictions they cannot understand. Coupling high-precision diagnostics with visual explanations allows users to see exactly why an ailment was diagnosed, facilitating faster and more confident interventions in the field.

Commercialisation angle

This applied research is tested on a diagnostic dataset of 38 plant diseases and appears to be in an early to intermediate testing stage. It could eventually enable transparent disease-monitoring tools for agronomists, crop advisers, and digital farming platforms. Further development would be required to integrate the explanatory model into deployable farm software or handheld diagnostic devices.

AI-generated from the published abstract. Always read the original work before citing.

Abstract

Plant diseases can have profound effects on the economy, impacting both local and global scales. These diseases can lead to substantial losses in agricultural productivity, affecting crop yields and quality. In this context, deep learning algorithms are widely acknowledged as effective solutions. However, the use of these black-box approaches raises concerns about trust in interpreting and validating the decisions generated by the models. This study proposes an explainable artificial intelligence (XAI) based plant disease classification system to classify and identify distinct ailments with improved accuracy. The system correctly identifies 38 different plant diseases with accuracy, precision, and recall as 99.69%, 98.27%, and 98.26%, respectively. These predictions are subjected to additional analysis employing the local interpretable model-agnostic explanations (LIME) framework to produce visual explanations aligning with prior beliefs and adhering to established best practices in explanations. This system will serve as a promising avenue for revolutionizing disease detection, fostering informed decision-making, and ultimately contributing to global food security.

Research topics

  • Smart Agriculture and AI
  • Phytoplasmas and Hemiptera pathogens

Sustainable Development Goals

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DOI: 10.1109/access.2024.3428553

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