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Human Pose Estimation With Iterative Error Feedback

CVPR 2016 · 3D vision › Human pose estimation · approach: Heatmap and coordinate pose encoding · 856 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use IEF instead of direct pose prediction (ablation)GoogLeNet pose estimator · MPII validation setFBody PCKh-0.5: 74.8 -> 81.0Helped
predict bounded corrections rather than target keypoint locations at each iteration (ablation)iterative GoogLeNet pose estimator · MPII validation setFBody PCKh-0.5: 73.4 -> 81.0Helped
train all correction steps together instead of using Fixed Path Consolidation (ablation)IEF · MPII validation setPCKh: almost 10 PCKh pointsHurt
use feedback for the left knee instead of direct prediction (ablation)left-knee pose prediction · MPII validation set, left kneePCKh-0.5: 64.6 -> 69.2Helped
add the left-hip channel to left-knee feedback (ablation)IEF Left Knee · MPII validation set, left kneePCKh-0.5: 69.2 -> 72.8Helped
model all joints together instead of only the left knee and left hip (ablation)IEF Left Knee + Left Hip · MPII validation set, left kneePCKh-0.5: 72.8 -> 73.8Helped
use a fourth correction step (ablation)IEF · MPII pose estimationaccuracyNo clear effect

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