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Human Semantic Parsing for Person Re-Identification

CVPR 2018 · Detection and segmentation › CNN features · approach: Local features and context in CNNs · 624 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use semantic body-region pooling and combine it with the global representationInception-V3 person re-identification · Market-1501mAP(%): 73.06 -> 79.67Helped
use semantic body-region pooling and combine it with the global representationInception-V3 person re-identification · CUHK03rank-1: 87.91 -> 91.21Helped
use semantic body-region pooling and combine it with the global representationInception-V3 person re-identification · DukeMTMC-reIDmAP(%): 59.87 -> 68.78Helped
exclude the foreground representation (ablation)SPReID · Market-1501mAP(%): 79.67 -> 78.06Hurt
exclude the foreground representation (ablation)SPReID · CUHK03rank-1: 91.21 -> 91.29No clear effect
fine-tune using higher-resolution 748×246 input images (ablation)Model-L · Market-1501mAP(%): 73.06 -> 76.56Helped
fine-tune using higher-resolution 748×246 input images (ablation)Model-L · CUHK03rank-1: 87.91 -> 88.73Helped
fine-tune using higher-resolution 748×246 input images (ablation)Model-L · DukeMTMC-reIDmAP(%): 59.87 -> 63.27Helped
increase input resolution from 246×82 to 375×125 (ablation)Inception-V3 baseline · Market-1501mAP(%): 64.45 -> 72.14Helped
replace Inception-V3 with ResNet-152 (ablation)baseline re-identification model · DukeMTMC-reIDmAP(%): 59.87 -> 62.42Helped
share the backbone between the two aggregation heads (ablation)SPReID w/fg · Market-1501mAP(%): 78.66 -> 77.62Hurt
share the backbone between the two aggregation heads (ablation)SPReID w/fg · CUHK03rank-1: 89.57 -> 87.69Hurt

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