From Pixels to Perception: Interpretable Predictions via Instance-wise Grouped Feature Selection

• URL: http://arxiv.org/abs/2505.06003v2
• Date: Fri, 16 May 2025 12:23:52 GMT
• Title: From Pixels to Perception: Interpretable Predictions via Instance-wise Grouped Feature Selection
• Authors: Moritz Vandenhirtz, Julia E. Vogt,
• Abstract summary: We propose a method that performs inherently interpretable predictions through the instance-wise sparsification of input images.<n>To align the sparsification with human perception, we learn the masking in the space of semantically meaningful pixel regions.<n>We show empirically on semi-synthetic and natural image datasets that our inherently interpretable classifier produces more meaningful, human-understandable predictions than state-of-the-art benchmarks.
• Score: 9.8346104742377
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Understanding the decision-making process of machine learning models provides valuable insights into the task, the data, and the reasons behind a model's failures. In this work, we propose a method that performs inherently interpretable predictions through the instance-wise sparsification of input images. To align the sparsification with human perception, we learn the masking in the space of semantically meaningful pixel regions rather than on pixel-level. Additionally, we introduce an explicit way to dynamically determine the required level of sparsity for each instance. We show empirically on semi-synthetic and natural image datasets that our inherently interpretable classifier produces more meaningful, human-understandable predictions than state-of-the-art benchmarks.

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