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Research map / Image generation / Super-resolution

Deep Burst Super-Resolution

CVPR 2021 · Image generation › Super-resolution · approach: Efficient lightweight super-resolution · 147 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use multiple shifted frames instead of a single imageDeep Burst Super-Resolution · Synthetic dataPSNR: 36.42 -> 39.09Helped
Increase burst size from 4 to 14 frames (ablation)Deep Burst Super-Resolution · Synthetic dataPSNR: 37.18 -> 39.09Helped
Add explicit flow-based alignment (ablation)Deep Burst Super-Resolution · BurstSR validation setPSNR: 46.50 -> 47.52Helped
Add explicit flow-based alignment (ablation)Deep Burst Super-Resolution · Synthetic dataPSNR: 36.66 -> 38.61Helped
Replace attention fusion with max pooling (ablation)Deep Burst Super-Resolution · Synthetic dataPSNR: 38.61 -> 36.24Hurt
Replace attention fusion with average pooling (ablation)Deep Burst Super-Resolution · Synthetic dataPSNR: 38.61 -> 35.45Hurt
Replace attention fusion with concatenation (ablation)Deep Burst Super-Resolution · Synthetic dataPSNR: 38.61 -> 37.80Hurt
Replace attention fusion with recursive merging (ablation)Deep Burst Super-Resolution · Synthetic dataPSNR: 38.61 -> 37.55Hurt
Use feature residuals instead of only projected frame features in the weight predictor (ablation)Deep Burst Super-Resolution · Synthetic dataPSNR: 37.46 -> 38.14Helped
Add base-frame features to residual-based weight prediction (ablation)Deep Burst Super-Resolution · Synthetic dataPSNR: 38.14 -> 38.41Helped
Add flow features to residual- and base-feature weight prediction (ablation)Deep Burst Super-Resolution · Synthetic dataPSNR: 38.41 -> 38.61Helped
Remove inter-frame sub-pixel shifts (ablation)Deep Burst Super-Resolution · Synthetic dataPSNR: 37.00 -> 38.61Hurt

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