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Predicting Goal-Directed Human Attention Using Inverse Reinforcement Learning

CVPR 2020 · Reinforcement learning › Imitation learning · approach: Reward learning from demonstrations · 100 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use IRL instead of the Detector baselineScanpath prediction · COCO-Search18 testTFP-AUC: 4.046 -> 4.509Helped
use IRL instead of BC-CNNScanpath prediction · COCO-Search18 testSequence Score: 0.409 -> 0.422Helped
replace DCB with CFI (ablation)IRL · COCO-Search18 testSequence Score: 0.422 -> 0.402Hurt
remove history map (ablation)IRL with DCB · COCO-Search18 testSequence Score: 0.422 -> 0.419No clear effect
remove saliency map (ablation)IRL with DCB · COCO-Search18 testSequence Score: 0.422 -> 0.419No clear effect
remove stuff maps (ablation)IRL with DCB · COCO-Search18 testSequence Score: 0.422 -> 0.407Hurt
remove thing maps (ablation)IRL with DCB · COCO-Search18 testSequence Score: 0.422 -> 0.331Hurt
remove target map (ablation)IRL with DCB · COCO-Search18 testSequence Score: 0.422 -> 0.338Hurt
use immediate reward instead of total reward (ablation)IRL policy · COCO-Search18 testSequence Score: 0.422 -> 0.375Hurt
train with IRL rather than CNN behavior cloning at 5 images per categoryScanpath prediction · COCO-Search18 testTFP-AUC: 3.484 -> 3.696Helped
use a group model trained on other subjects instead of an individual modelIRL · COCO-Search18 test subjectsperformanceNo clear effect

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