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Frame and Feature-Context Video Super-Resolution

AAAI 2019 · Video › Video segmentation and tracking · approach: Space-time video super-resolution · 43 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use consecutive LR frames instead of only the current LR frame (ablation)Local network for video SR · Vid4 averagePSNR: 24.971 -> 26.387Helped
Add context network using previously estimated HR frames (ablation)Only local network · Vid4 averagePSNR: 26.387 -> 26.745Helped
Add local and context feature information (ablation)FFCVSR without feature context · Vid4 averagePSNR: 26.745 -> 26.965Helped
Add optical flow while removing feature context (ablation)FFCVSR without feature context · Vid4 averagePSNR: 26.745 -> 26.705Hurt
Refresh recurrent HR frame and feature with local-network outputs every T framesFFCVSR inference · HongKongreconstruction accuracyHelped

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