Author

Xiao Liu

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Preprint Sep 2026

Discrete Annotation, Continuous Preference: Rethinking Supervision for Accurate and Generalizable Aesthetic Image Cropping

Aesthetic image cropping aims to identify the optimal crop of an image in terms of aesthetics and composition. While supervision based on annotated data is fundamental, the field has been hindered by a long-standing problem: existing datasets suffer from (1) human subjectivity and (2) rigid discreteness confined to fix...

Zi-Qing Zhang, Xiao Liu, Kai Liu et al. · 0 citations

Jul 2026

SoftNav: Injecting 3D Scene Tokens into VLMs for Embodied Navigation

SoftNav is introduced, which injects entity-level 3D continuous representations -- one token per detected object or frontier -- into a VLM's hidden space as soft tokens through a lightweight projector, enabling transferable navigation with minimal training.

Yi Wu, Junjie An, Xiao Liu et al. · arXiv.org · 0 citations