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Salient Object Detection is a key preprocessing technique for identifying prominent regions in images, but its use in pavement surface crack detection is limited due to scale and feature differences. To address this, we introduce the multiscale dynamic attention and crack detection (MDACD) model as an innovative solution for crack detection and segmentation. MDACD integrates a Swin transformer backbone, decoder blocks, and dynamic fusion layers (DFLs) to capture global contextual features, refine spatial details, and improve the network’s ability to handle irregular crack patterns. By optimizing fusion layers for enhanced feature interaction, MDACD achieves a robust balance between accuracy (97.03%), weighted average recall (97%), weighted average precision (98%), and weighted average F1-score (97%). The model incorporates multiple loss functions alongside dice and intersection over union (IoU) metrics for comprehensive performance evaluation. Comparative analysis on a publicly available benchmark data set confirms that MDACD surpasses state-of-the-art models, demonstrating superior effectiveness in crack detection.
Zaheer et al. (Wed,) studied this question.