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Research map / Label-efficient and robust learning / Self-supervised and contrastive

Self-Supervised Learning of Depth Inference for Multi-View Stereo

CVPR 2021 · Label-efficient and robust learning › Self-supervised and contrastive · approach: Pretext-task visual pre-training · 60 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use depth-hypothesis probability volumes for image synthesis instead of direct depth warping (ablation)Unsupervised CVP-MVSNet training · DTUf-score: 75.29% -> 77.06%Helped
Add high-resolution pseudo-label refinement (ablation)Self-supervised CVP-MVSNet · DTUOverall: 0.378 -> 0.372Helped
Add multi-view pseudo-label fusion to high-resolution refinement and filtering (ablation)Self-supervised CVP-MVSNet · DTUOverall: 0.372 -> 0.363Helped
Add high-resolution refinement to low-resolution inference, multi-view fusion, and filtering (ablation)Self-supervised CVP-MVSNet · DTUOverall: 0.376 -> 0.363Helped
Iteratively self-train using refined pseudo labels (ablation)Self-supervised CVP-MVSNet · DTUf-score: 77.06% -> 88.42%Helped
Continue self-training beyond the second iteration (ablation)Self-supervised CVP-MVSNet · DTUf-score: 88.42% -> 88.49% -> 88.47%No clear effect
Replace unsupervised initialization with OpenMVS-generated pseudo labels (ablation)Self-supervised CVP-MVSNet · DTUf-score: 88.49% -> 88.02%No clear effect
Use self-supervised rather than unsupervised training with refined pseudo-label self-trainingCVP-MVSNet · DTUOverall (mm): 0.583 -> 0.363Helped
Train on Tanks and Temples rather than only transfer the model trained on DTUSelf-supervised CVP-MVSNet · Tanks and Temples intermediate setMean f-score: 46.71 -> 56.54Helped
Train without ground-truth depth instead of supervised trainingCVP-MVSNet · DTUf-score: 88.63% -> 88.42%Hurt

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