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HumanNeRF: Free-Viewpoint Rendering of Moving People From Monocular Video

CVPR 2022 · 3D vision › Human pose estimation · approach: Temporal video pose estimation · 450 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use HumanNeRF's canonical volume and skeletal/non-rigid motion fields instead of Neural BodyHumanNeRF · ZJU-MoCap subjects 377, 386, 387, 392, 393, 394LPIPS*: 40.95 -> 24.06; 46.43 -> 28.99; 59.47 -> 35.58; 53.27 -> 32.12; 59.05 -> 36.72; 54.55 -> 32.89Helped
Use HumanNeRF instead of Neural BodyHumanNeRF · ZJU-MoCap subject 393PSNR: 28.61 -> 28.31Hurt
Add non-rigid motion to skeletal deformation (ablation)HumanNeRF · ZJU-MoCap average over 6 sequencesPSNR: 29.81 -> 30.24Helped
Add non-rigid motion to skeletal deformation (ablation)HumanNeRF · ZJU-MoCap average over 6 sequencesSSIM: 0.9657 -> 0.9679Helped
Add non-rigid motion to skeletal deformation (ablation)HumanNeRF · ZJU-MoCap average over 6 sequencesLPIPS*: 34.17 -> 31.73Helped
Increase the training sequence from 19 to 112 frames (ablation)HumanNeRF · ZJU-MoCap subject 392PSNR: 30.51 -> 31.01Helped
Increase the training sequence from 19 to 112 frames (ablation)HumanNeRF · ZJU-MoCap subject 392LPIPS*: 45.17 -> 32.75Helped
Increase the training sequence beyond 112 frames (ablation)HumanNeRF · ZJU-MoCap subject 392PSNR: 31.01 (112 frames); 31.04 (556 frames)No clear effect
Condition non-rigid motion on the position after skeletal warping (decomposition design 3) (ablation)HumanNeRF motion field · PeopleSnapshotnovel-view synthesis qualityHelped
Delay non-rigid motion optimization and enable it coarse-to-fine (ablation)HumanNeRF · Unseen-view renderinggeneralization qualityHelped
Add pose correction (ablation)HumanNeRF · In-the-wild unseen-view renderingvisual alignment and detailHelped
Add non-rigid deformation (ablation)HumanNeRF · In-the-wild unseen-view renderingclothing alignment and shapeHelped

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