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Research map / 3D vision / Face and shape

Joint Face Detection and Facial Motion Retargeting for Multiple Faces

CVPR 2019 · 3D vision › Face and shape · approach: 3D morphable face model regression · 55 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use multi-scale features in place of a shared single-scale representation (ablation)SFN · LFWNME (%): 2.16 -> 1.91Helped
Use multi-scale parameter-specific branches (ablation)SFN · Expression test setMean expression error: 0.305 -> 0.229Helped
Use multi-scale features for MFN (ablation)MFN with multi-scale SFN-generated labels · AFWAP: 98.2 -> 98.8Helped
Use multi-scale SFN to generate the 3DMM training labels (ablation)SS-MFN · AFWAP: 97.5 -> 98.2Helped
Jointly regress face boxes and 3DMM parameters instead of training for detection only (ablation)MFN · AFWAP: 92.1 -> 98.8Helped
Use MS-SFN rather than SS-SFN (ablation)SFN · AFLW2000-3DNME (%): 4.31 -> 3.89Helped
Use multi-scale SFN for trackingSFN · 300VW Scenario 3AUC: +9% over the second best methodHelped
Use the multi-face model instead of the single-face model for expression predictionSFN versus MS-MFN · Expression test setMean expression error: 0.229 -> 0.288Hurt
Train one joint network rather than a separate detector followed by per-face retargetingMFN · Google Pixel 2runtime: 49ms -> 39ms for 1 face; 109ms -> 39ms for 5 faces; 184ms -> 39ms for 10 facesHelped

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