Abstract
With the growing demand for efficient and high-precision quality control in textiles, the limitations of traditional fabric defect detection methods have become increasingly apparent, particularly in handling complex backgrounds, diverse defect types, and small-object detection. To address these challenges, this study proposes a fabric defect detection method based on morphological prior features. By deeply integrating morphological prior information into the feature extraction and fusion modules, the robustness and accuracy of defect detection are improved significantly. Specifically, the divergent path feature enhancement module enhances the detection of small-object defects through fine-grained feature extraction. The oriented space and multiscale feature extraction module combines multiscale and directional feature extraction techniques to improve the recognition of defects with extreme aspect ratios. Furthermore, the efficient multipath feature fusion network achieves comprehensive capture of defect features by integrating shallow and deep features. In addition, the proposed fabric mosaic data augmentation strategy dynamically adjusts the cropping offset points, effectively preserving the pixel and feature integrity of target defects under conditions of data scarcity and imbalance. Experimental results demonstrate that the proposed model achieves a precision of 75.5%, a recall of 75.8%, and an F1 score of 75.6%. The mAP@.5 is improved by 9.8% compared with the baseline model. The proposed approach strikes a favorable balance between detection accuracy, computational complexity, and inference speed, showcasing excellent generalization capability and practical application potential.
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