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Wavelet-based learning and optimized sampling for image deraining
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DOI：10.1016/j.patcog.2025.112782.png)
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Abstract
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• We propose WLOS, a novel single-image deraining model based on convolutional neural networks. Extensive experiments on multiple benchmark datasets demonstrate its effectiveness and competitiveness, even surpassing some Transformer-based approaches. • We design the Wavelet Kernel Learning module (WKL), which employs learnable filters to partition the feature maps into four sub-bands of distinct properties, and then applies differently shaped convolutions to each sub-band. This design effectively tackles the complexity of rain streak degradation. • To address the loss of important high-frequency information incurred by conventional downsampling, we introduce the Optimized DownSampling module (ODS). By capturing intricate rain streak patterns through a fine-grained learning scheme in the downsampling phase, ODS further boosts overall model performance.
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7.6
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4.5W
Organization
Cited Papers
Multi-level wavelet network based on CNN-Transformer hybrid attention for single image deraining
PREAI
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PATTERN RECOGNITION
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PATTERN RECOGNITIONIF7.6
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