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Toward a Taxonomy and Computational Models of Abnormalities in Images

AAAI 2016 · Vision-language and multimodal › Human and embodied modeling · approach: Human-like visual cognition in VLMs · 10 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add the object-centric surprise score to the combined model (ablation)Three-score abnormality model · Our abnormal image datasetAUC: 0.8004 -> 0.8914Helped
add the scene-centric surprise score to the combined model (ablation)Three-score abnormality model · Our abnormal image datasetAUC: 0.8635 -> 0.8914Helped
add the context-centric surprise score to the combined model (ablation)Three-score abnormality model · Our abnormal image datasetAUC: 0.8863 -> 0.8914Helped
add attribute classifier accuracy term to object-centric score (ablation)Object-centric surprise score · Object-centric AUCAUC: 0.8050 -> 0.8662Helped
add attribute relevance term to object-centric score (ablation)Object-centric surprise score · Object-centric AUCAUC: 0.7985 -> 0.8662Helped
add object location surprise I(L|O) to co-occurrence in context score (ablation)Context-centric surprise score · Context-centric AUCAUC: 0.6778 -> 0.8255Helped
add relative size modulation Lambda(O) to context score (ablation)Context-centric surprise score · Context-centric AUCAUC: 0.6778 -> 0.6923Helped
add relevance and accuracy terms to scene-centric score (ablation)Scene-centric surprise score · Scene-centric AUCAUC: 0.6625 -> 0.7418Helped
add parametric inverse Gaussian model over raw surprise scores (ablation)Abnormality reasoning · Our abnormal image datasetKL-divergence (lower better): 2.276 -> 0.8142Helped
use proposed generative model trained on normal images vs two-class SVM on deep features trained with abnormal imagesAbnormality classification · Our abnormal image datasetAUC: 0.8524 -> 0.8914Helped
proposed object-centric model vs prior object-centric baselineObject-centric abnormality · Exp IAUC: 0.9125 -> 0.9311Helped
proposed context-centric model vs prior context baselineContext-centric abnormality · Exp IIAUC: 0.8518 -> 0.8943Helped

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