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MASA-SR: Matching Acceleration and Spatial Adaptation for Reference-Based Image Super-Resolution

CVPR 2021 · Image generation › Super-resolution · approach: Real-world super-resolution · 176 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use MASA-rec rather than TTSR-recRefSR · CUFED5PSNR: 27.09 -> 27.54Helped
use MASA-rec rather than TTSR-recRefSR · Sun80PSNR: 30.02 -> 30.15Helped
use MASA-rec rather than TTSR-recRefSR · Urban100PSNR: 25.87 -> 26.09Helped
use coarse-to-fine matching rather than dense full-map matchingMASA · 128×128 LR, 512×512 Refmatching FLOPS (G): 618.48 -> 8.84Helped
increase LR block size (ablation)MASA matching · CUFED5 testing setPSNRHurt
increase LR block size (ablation)MASA matching · CUFED5 testing setFLOPSHelped
use LR block size 1×1 (ablation)MASA matching · CUFED5 testing setPSNR: 27.60 dBHelped
use LR block size 1×1 (ablation)MASA matching · CUFED5 testing setFLOPS: 787.77GHurt
increase Ref↓ block size (ablation)MASA matching · CUFED5 testing setPSNRHelped
increase Ref↓ block size (ablation)MASA matching · CUFED5 testing setFLOPSHurt
use more combinations of dilation rates (ablation)MASA matching · CUFED5 testing setPSNRHelped
add SAM instead of using no normalization (ablation)MASA · CUFED5 testing setPSNR: 27.32 -> 27.54 (+0.22 dB)Helped

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