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CutMIB: Boosting Light Field Super-Resolution via Multi-View Image Blending

CVPR 2023 · Image generation › Super-resolution · approach: Perceptual and real-world SR · 51 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Train existing light-field SR networks with CutMIB instead of without itATO, InterNet, IINet, DPT, and DistgSSR · Light-field SR, ×2 and ×4; five benchmark datasetsPSNR: +0.007 to +0.395Helped
Train InterNet with CutMIB rather than CutBlurInterNet · Light-field SR ×4, STFgantryPSNR: 0.319 dB gain compared with training using CutBlurHelped
Use all four directional view groups rather than only θ1 (ablation)InterNet with CutMIB · HCInew ×4PSNR: 30.942 -> 31.002Helped
Increase the number of selected views from k = 1 to k = 20 (ablation)InterNet with CutMIB · HCInew ×4PSNR: 30.942 -> 31.006Helped
Use k = 1 view rather than the default all-view blending (ablation)InterNet with CutMIB · INRIA ×4PSNR: 30.743 -> 30.736Hurt
Train with CutMIBIINet · INRIA ×2 and ×4PSNR: -0.026; -0.018 at ×2, -0.060 at ×4Mixed
Train with CutMIBDistgSSR · Light-field SR ×2 and ×4; five benchmark datasetsPSNR: -0.025 to +0.020 at ×2; +0.003 to +0.046 at ×4Mixed
Train existing networks with CutMIBATO, InterNet, and IINet · Light-field denoising, σ = 10, 20, 50PSNR: +0.013 to +0.232Helped
Train SR networks with CutMIBATO, IINet, InterNet, and DPT · EPFL ×4 with isotropic Gaussian kernels k = 1.8, 2.5, 3.2PSNR: 0.000 to +0.075Helped
Use CutMIB during trainingExisting light-field SR networks · Real-world light-field SRvisual reconstruction qualityHelped
Use CutMIB during trainingExisting light-field SR networks · Angular consistency of reconstructed light fieldsMSEHelped

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