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TransMVSNet: Global Context-Aware Multi-View Stereo Network With Transformers

CVPR 2022 · 3D vision › Depth and stereo · approach: Cost-volume multi-view stereo · 264 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add focal loss to the CasMVSNet-based baseline (ablation)TransMVSNet baseline · DTU evaluation setOverall (mm): 0.345 -> 0.339Helped
Add FMT with intra- and inter-attention (ablation)TransMVSNet baseline with focal loss · DTU evaluation setOverall (mm): 0.339 -> 0.323Helped
Add the transformed feature pathway (ablation)TransMVSNet with FMT · DTU evaluation setOverall (mm): 0.323 -> 0.315Helped
Add the ARF module (ablation)TransMVSNet with FMT and transformed feature pathway · DTU evaluation setOverall (mm): 0.315 -> 0.305Helped
Use 3 input views rather than 5 (ablation)TransMVSNet · DTU evaluation setOverall (mm): 0.305 -> 0.316Hurt
Use 7 or 9 input views rather than 5 (ablation)TransMVSNet · DTU evaluation setOverall (mm): 0.305 -> 0.311; 0.305 -> 0.317Mixed
Reduce input resolution from 864×1152 to 512×640 (ablation)TransMVSNet · DTU evaluation setOverall (mm): 0.305 -> 0.361Hurt
Set focal-loss gamma to 0.5, 1, or 2 instead of 0 (ablation)TransMVSNet · DTU evaluation setOverall (mm): 0.305 -> 0.312; 0.305 -> 0.310; 0.305 -> 0.314Mixed
Use gamma=2 rather than gamma=0 on BlendedMVS (ablation)TransMVSNet focal loss · BlendedMVS validationEPE: 0.80 -> 0.73Helped
Change the number of attention heads from 8 to 1, 2, 4, or 16 (ablation)TransMVSNet FMT · DTU evaluation setOverall (mm): 0.305 -> 0.309; 0.305 -> 0.306; 0.305 -> 0.306; 0.305 -> 0.306Mixed
Use 2 rather than 4 attention blocks (ablation)TransMVSNet FMT · DTU evaluation setOverall (mm): 0.305 -> 0.312Hurt
Use 6 rather than 4 attention blocks (ablation)TransMVSNet FMT · DTU evaluation setOverall (mm): 0.305 -> 0.308Hurt

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