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Graph Stacked Hourglass Networks for 3D Human Pose Estimation

CVPR 2021 · 3D vision › Human pose estimation · approach: Monocular 2D-to-3D pose lifting · 298 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
replace SeqRes with GraphSH while using PreAggrPreAggr-based 2D-to-3D pose estimation · Human3.6MMPJPE (mm): 37.8 -> 35.8Helped
replace SeqRes with GraphSH while using SemGConvSemGConv-based 2D-to-3D pose estimation · Human3.6MMPJPE (mm): 52.5 -> 39.2Helped
replace SeqRes with GraphSH while using Vanilla GCNVanilla GCN-based 2D-to-3D pose estimation · Human3.6MMPJPE (mm): 94.4 -> 59.1Helped
replace input-dependent gPool/gUnpool with fixed skeletal pooling and unpooling (ablation)GraphSH · Human3.6M, ground-truth 2D keypointsMPJPE (mm): 40.6 -> 35.8Helped
replace SAGPool/gUnpool with fixed skeletal pooling and unpooling (ablation)GraphSH · Human3.6M, ground-truth 2D keypointsMPJPE (mm): 41.5 -> 35.8Helped
add skeletal pooling and unpooling to replace processing only at the highest scale (ablation)GraphSH · Human3.6M, ground-truth 2D keypointsMPJPE (mm): 38.2 -> 35.8Helped
add multi-level intermediate features (ablation)GraphSH · Human3.6M, ground-truth 2D keypointsMPJPE (mm): 38.0 -> 35.8Helped
add an SE block to weight concatenated multi-level features (ablation)GraphSH with multi-level features · Human3.6M, ground-truth 2D keypointsMPJPE (mm): 37.1 -> 35.8Helped

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