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VideoINR: Learning Video Implicit Neural Representation for Continuous Space-Time Super-Resolution

CVPR 2022 · Video › Video segmentation and tracking · approach: Space-time video super-resolution · 112 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use continuous space-time representation rather than the strongest reported baselineVideoINR · GoPro-AveragePSNR: 26.46 -> 29.41Helped
Use continuous space-time representation rather than the strongest reported baselineVideoINR · Adobe-AveragePSNR: 26.23 -> 29.27Helped
Use VideoINR instead of VideoINR-fixedVideoINR · GoPro-CenterPSNR: 30.73 -> 30.26Hurt
Use VideoINR instead of Zooming SlowMoVideoINR · GoPro, time ×4, space ×16PSNR: 23.38 -> 23.45Helped
Add motion flow correspondence (ablation)VideoINR · GoPro-AveragePSNR: 28.76 -> 29.41Helped
Add multi-scale feature aggregation (ablation)VideoINR · GoPro-AveragePSNR: 29.28 -> 29.41Helped
Use separate spatial and temporal functions instead of one network for both (ablation)VideoINR · GoPro-AveragePSNR: 29.20 -> 29.41Helped
Use the two-stage scale-training strategy rather than training continuous scales from scratch (ablation)VideoINR · GoPro-Average, space ×2PSNR: 27.46 -> 29.61Helped
Fix the spatial training scale at ×4 instead of using the two-stage scale strategy (ablation)VideoINR · GoPro-Average, space ×4PSNR: 29.41 -> 29.50Helped
Use the two-stage scale-training strategy rather than fixing training at ×4 (ablation)VideoINR · GoPro-Average, space ×2PSNR: 28.25 -> 29.61Helped

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