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arXiv · 2510.16832

Robust Cross-Domain Adaptation in Texture Features Transferring for Wood Chip Moisture Content Prediction

Abdur Rahman·Mohammad Marufuzzaman·Jason Street·Haifeng Wang·Veera G. Gude·Randy Buchanan
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Abstract

Accurate and quick prediction of wood chip moisture content is critical for optimizing biofuel production and ensuring energy efficiency. The current widely used direct method (oven drying) is limited by its longer processing time and sample destructiveness. On the other hand, existing indirect methods, including near-infrared spectroscopy-based, electrical capacitance-based, and image-based approaches, are quick but not accurate when wood chips come from various sources. Variability in the source material can alter data distributions, undermining the performance of data-driven models. Therefore, there is a need for a robust approach that effectively mitigates the impact of source variability. Previous studies show that manually extracted texture features have the potential to predict wood chip moisture class. Building on this, in this study, we conduct a comprehensive analysis of five distinct texture feature types extracted from wood chip images to predict moisture content. Our findings reveal that a combined feature set incorporating all five texture features achieves an accuracy of 95% and consistently outperforms individual texture features in predicting moisture content. To ensure robust moisture prediction, we propose a domain adaptation method named AdaptMoist that utilizes the texture features to transfer knowledge from one source of wood chip data to another, addressing variability across different domains. We also proposed a criterion for model saving based on adjusted mutual information. The AdaptMoist method improves prediction accuracy across domains by 23%, achieving an average accuracy of 80%, compared to 57% for non-adapted models. These results highlight the effectiveness of AdaptMoist as a robust solution for wood chip moisture content estimation across domains, making it a potential solution for wood chip-reliant industries.

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Abdur Rahman, Mohammad Marufuzzaman, Jason Street, Haifeng Wang, Veera G. Gude, Randy Buchanan. 2025-10-19. Robust Cross-Domain Adaptation in Texture Features Transferring for Wood Chip Moisture Content Prediction. https://arxiv.org/abs/2510.16832

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