LatentDiff: Scaling Semantic Dataset Comparison to Millions of Images

Fuente: arXiv
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Autores principales: Flora, James, Thopalli, Kowshik, Kulkarni, Akshay R., Wong, Weng-Keen, Liu, Shusen
Formato: Preprint
Publicado: 2026
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author Flora, James
Thopalli, Kowshik
Kulkarni, Akshay R.
Wong, Weng-Keen
Liu, Shusen
author_facet Flora, James
Thopalli, Kowshik
Kulkarni, Akshay R.
Wong, Weng-Keen
Liu, Shusen
contents We present LatentDiff, a scalable framework for semantic dataset comparison that operates directly in the latent space of pretrained vision encoders. By combining sparse autoencoder-based divergence testing with density ratio estimation, LatentDiff identifies interpretable semantic differences between datasets at a fraction of the computational cost of caption-based alternatives. We also introduce Noisy-Diff, a benchmark capturing realistic sparse distribution shifts that cause existing methods to struggle. Experiments demonstrate that LatentDiff achieves superior accuracy while remaining robust to settings where an extremely small fraction of images (from 5% to <1% ) differ semantically.
format Preprint
id arxiv_https___arxiv_org_abs_2605_00899
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle LatentDiff: Scaling Semantic Dataset Comparison to Millions of Images
Flora, James
Thopalli, Kowshik
Kulkarni, Akshay R.
Wong, Weng-Keen
Liu, Shusen
Computer Vision and Pattern Recognition
Machine Learning
We present LatentDiff, a scalable framework for semantic dataset comparison that operates directly in the latent space of pretrained vision encoders. By combining sparse autoencoder-based divergence testing with density ratio estimation, LatentDiff identifies interpretable semantic differences between datasets at a fraction of the computational cost of caption-based alternatives. We also introduce Noisy-Diff, a benchmark capturing realistic sparse distribution shifts that cause existing methods to struggle. Experiments demonstrate that LatentDiff achieves superior accuracy while remaining robust to settings where an extremely small fraction of images (from 5% to <1% ) differ semantically.
title LatentDiff: Scaling Semantic Dataset Comparison to Millions of Images
topic Computer Vision and Pattern Recognition
Machine Learning
url https://arxiv.org/abs/2605.00899