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. 2024 Apr 11;15(5):2958–2976. doi: 10.1364/BOE.521453

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Fig. 8. — Illustration of (a) Simplified Channel Attention in NAFNet [40], (b) Channel Attention in SENet [26], and (c) Channel Attention in CBAM [27]. $\oplus / \otimes$ : element-wise addition / multiplication.