Lightweight LLIE framework pairs frozen distribution-normalizing preprocessing with a depthwise U-Net and reports 3rd place in the 2026 NTIRE Efficient Low-Light challenge.
Sparse gradient regularized deep retinex network for robust low-light image enhancement.IEEE TIP,
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Lightweight Low-Light Image Enhancement via Distribution-Normalizing Preprocessing and Depthwise U-Net
Lightweight LLIE framework pairs frozen distribution-normalizing preprocessing with a depthwise U-Net and reports 3rd place in the 2026 NTIRE Efficient Low-Light challenge.