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Research map / Detection and segmentation / CNN features

Pedestrian Detection With Autoregressive Network Phases

CVPR 2019 · Detection and segmentation › CNN features · approach: Pedestrian and crowd detection · 86 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add the R-CNN second stage to AR-RPNAR-RPN · Caltech Reasonable (original annotations)MR^-2: 8.01 -> 6.45Helped
Add a fourth autoregressive phase (ablation)AR-RPN · Caltech Reasonable (original annotations)MR^-2: 8.01 -> 8.68Hurt
Use small channel widths instead of medium (ablation)3-phase AR-RPN · Caltech Reasonable (original annotations)MR^-2: 8.01 -> 8.62Hurt
Use large channel widths instead of medium (ablation)3-phase AR-RPN · Caltech Reasonable (original annotations)MR^-2: 8.01 -> 8.33Hurt
Replace learned convolutional resampling with separate bilinear resampling and convolution (ablation)AR-RPN · Caltech Reasonable (original annotations)MR^-2: 8.01% -> 9.45%Hurt
Use only 2 phases instead of 3 (ablation)AR-RPN · Caltech Reasonable (original annotations)MR^-2: 8.01 -> 8.32Hurt
Use only 1 phase instead of 3 (ablation)AR-RPN · Caltech Reasonable (original annotations)MR^-2: 8.01 -> 10.16Hurt
Remove intermediate predictions and their concatenation between phases (ablation)3-phase AR-RPN · Caltech Reasonable (original annotations)MR^-2: 8.01 -> 9.06Hurt
Use lenient-to-strict labels rather than strict-to-lenient labels (ablation)3-phase AR-RPN · Caltech Reasonable (original annotations)MR^-2: 9.03 -> 8.01Helped
Use lenient-to-strict labels rather than moderate-to-moderate labels (ablation)3-phase AR-RPN · Caltech Reasonable (original annotations)MR^-2: 8.94 -> 8.01Helped
Use lenient-to-strict labels rather than strict-to-strict labels (ablation)3-phase AR-RPN · Caltech Reasonable (original annotations)MR^-2: 8.43 -> 8.01Helped
Use convolutional resampling rather than two-step resampling (ablation)AR-RPN · Caltech ReasonableGPU memory usage: 41% lessHelped

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