Google Research

Agreement Between Saliency Maps and Human-Labeled Regions of Interest: Applications to Skin Disease Classification

2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) (2020)

Abstract

We propose to systematically identify potentially problematic patterns in skin disease classification models via quantitative analysis of agreement between saliency maps and human-labeled regions of interest. We further compute summary statistics describing patterns in this agreement for various stratifications of input examples. Through this analysis, we discover candidate spurious associations learned by the classifier and suggest next steps to handle such associations. Our approach can be used as a debugging tool to systematically spot difficult examples and error categories. Insights from this analysis could guide targeted data collection and improve model generalizability.

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