Learning to Segment using Summary Statistics and Weak Supervision

Fuente: arXiv
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Autori principali: Kulkarni, Omkar, Raff, Edward, Oates, Tim
Natura: Preprint
Pubblicazione: 2026
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author Kulkarni, Omkar
Raff, Edward
Oates, Tim
author_facet Kulkarni, Omkar
Raff, Edward
Oates, Tim
contents 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.
format Preprint
id arxiv_https___arxiv_org_abs_2605_03059
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Learning to Segment using Summary Statistics and Weak Supervision
Kulkarni, Omkar
Raff, Edward
Oates, Tim
Computer Vision and Pattern Recognition
Machine Learning
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.
title Learning to Segment using Summary Statistics and Weak Supervision
topic Computer Vision and Pattern Recognition
Machine Learning
url https://arxiv.org/abs/2605.03059