Contrastive Pretraining for Visual Concept Explanations of Socioeconomic Outcomes

• URL: http://arxiv.org/abs/2404.09768v2
• Date: Thu, 13 Jun 2024 14:00:24 GMT
• Title: Contrastive Pretraining for Visual Concept Explanations of Socioeconomic Outcomes
• Authors: Ivica Obadic, Alex Levering, Lars Pennig, Dario Oliveira, Diego Marcos, Xiaoxiang Zhu,
• Abstract summary: Post-hoc concept-based explanations can be an important step towards broader adoption of these models in policy-making. We study the interplay between representation learning using an additional task-specific contrastive loss and post-hoc concept explainability for socioeconomic studies.
• Score: 15.842647992041751
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Predicting socioeconomic indicators from satellite imagery with deep learning has become an increasingly popular research direction. Post-hoc concept-based explanations can be an important step towards broader adoption of these models in policy-making as they enable the interpretation of socioeconomic outcomes based on visual concepts that are intuitive to humans. In this paper, we study the interplay between representation learning using an additional task-specific contrastive loss and post-hoc concept explainability for socioeconomic studies. Our results on two different geographical locations and tasks indicate that the task-specific pretraining imposes a continuous ordering of the latent space embeddings according to the socioeconomic outcomes. This improves the model's interpretability as it enables the latent space of the model to associate concepts encoding typical urban and natural area patterns with continuous intervals of socioeconomic outcomes. Further, we illustrate how analyzing the model's conceptual sensitivity for the intervals of socioeconomic outcomes can shed light on new insights for urban studies.

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