[2605.03059] Learning to Segment using Summary Statistics and Weak Supervision
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Computer Science > Computer Vision and Pattern Recognition
arXiv:2605.03059 (cs)
[Submitted on 4 May 2026]
Title:Learning to Segment using Summary Statistics and Weak Supervision
Authors:Omkar Kulkarni, Edward Raff, Tim Oates
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Abstract:Medical experts often manually segment images to obtain diagnostic statistics and discard the resulting annotations. We aim to train segmentation models to alleviate this burden, but constrained to the retained summary statistics (e.g., the area of the annotated region). Empirical results suggest that statistics alone are insufficient for this task, but adding weak information in the form of a few pixels within the area of interest significantly improves performance. We use a novel loss function that combines terms for image reconstruction quality, matching to summary statistics, and overlap between the predicted foreground and the weak supervisory signal. Experiments on standard image, ultrasound (breast cancer), and Computed Tomography (CT) scan (kidney tumors) data demonstrate the utility and potential of the approach.
Comments: 5 pages, 2 figures, 1 table
Subjects:
Computer Vision and Pattern Recognition (cs.CV); Machine Learning (cs.LG)
Cite as: arXiv:2605.03059 [cs.CV]
(or arXiv:2605.03059v1 [cs.CV] for this version)
https://doi.org/10.48550/arXiv.2605.03059
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arXiv-issued DOI via DataCite (pending registration)
Submission history
From: Tim Oates [view email] [v1] Mon, 4 May 2026 18:28:11 UTC (217 KB)
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