Journal of Machine and Computing


Wavelet Aided Multi Task Transformer for Sugarcane Leaf Disease Prediction



Journal of Machine and Computing

Received On : 26 February 2025

Revised On : 05 May 2025

Accepted On : 16 June 2025

Published On : 05 July 2025

Volume 05, Issue 03

Pages : 1725-1735


Abstract


Accurate modeling of sugarcane leaf diseases pose several challenges, including the need for large and diverse datasets, difficulty in differentiating between visually similar disease symptoms, and the adverse effects of environmental variability on model accuracy. Additionally, real-time prediction remains computationally intensive and often lacks generalizability across different crop types and geographical regions. To address these limitations, this paper proposes a novel framework—Wavelet Prompt-Tuned Multi-Task Taxonomic Transformer with Hierarchical Auto-Associative Polynomial Network (WATT-Net)—applied to the Sugarcane Leaf Image Dataset for effective disease prediction. Image pre-processing is enhanced through Discrete Wavelet Transformation combined with Pre-Gaussian Filtering (DWT-PGF) to reduce noise and blur, thereby improving image clarity. Region deviation analysis is employed to localize disease-affected areas, followed by Prompt-Tuned Multi-Task Taxonomic Transformer (PTMT)-based segmentation, which ensures precise boundary delineation. The new architecture (proposed PTMT architecture) does not manually engineer prompts but instead, they are learnt using a data-driven approach during training. The learned prompts represent task specific contextual priors and are dynamically adjusted to perform multi-tasks and their segmentation and classification better via formulating attention mechanism of the transformer The Scale-Aware Hierarchical Auto-Associative Polynomial Network (SA-HAAPNet) further strengthens the framework by extracting discriminative features for accurate classification. Disease region identification is refined using the Walk-Spread Algorithm (WSA), which contributes to higher detection accuracy and reduced error rates. Experimental results using Python-based implementation demonstrate superior performance, achieving 99.9% accuracy and 99.8% sensitivity, significantly outperforming existing models. The proposed WATT-Net approach offers a robust and scalable solution for real-time sugarcane leaf disease detection, with strong potential for broader agricultural applications.


Keywords


Crop Leaf Disease, Discrete Wavelet Transformation, Prompt-Tuned Multi Task Taxonomic Transformer, Sugarcane Leaf Image Dataset, Walk Spread Algorithm.


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CRediT Author Statement


The authors confirm contribution to the paper as follows:

Conceptualization: Manjula V, Bhawna Sinha, Anupama Sharma, Sheela S, Kiranmai A V and Vetrithangam D; Methodology: Manjula V, Bhawna Sinha and Anupama Sharma; Writing- Original Draft Preparation: Manjula V, Bhawna Sinha, Anupama Sharma, Sheela S, Kiranmai A V and Vetrithangam D; Visualization: Manjula V, Bhawna Sinha and Anupama Sharma; Investigation: Sheela S, Kiranmai A V and Vetrithangam D; Supervision: Manjula V, Bhawna Sinha and Anupama Sharma; Validation: Sheela S, Kiranmai A V and Vetrithangam D; Writing- Reviewing and Editing: Manjula V, Bhawna Sinha, Anupama Sharma, Sheela S, Kiranmai A V and Vetrithangam D; All authors reviewed the results and approved the final version of the manuscript.


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Cite this article


Manjula V, Bhawna Sinha, Anupama Sharma, Sheela S, Kiranmai A V and Vetrithangam D, “Wavelet Aided Multi Task Transformer for Sugarcane Leaf Disease Prediction”, Journal of Machine and Computing, vol.5, no.3, pp. 1725-1735, July 2025, doi: 10.53759/7669/jmc202505136.


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© 2025 Manjula V, Bhawna Sinha, Anupama Sharma, Sheela S, Kiranmai A V and Vetrithangam D. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.