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Author

Chen Li

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Book Open access Jul 2026

Unsupervised 2D Image-Based 3D Model Retrieval via Decision Boundary Alignment and Graph Semantic Propagation

Unsupervised 2D image-based 3D model retrieval (IBMR) aims to retrieve semantically relevant 3D shapes for a given 2D image query when 3D annotations are unavailable. This setting is challenging due to severe modality gaps, category-imbalanced mini-batches, inconsistent cross-domain decision boundaries, and mismatched...

Nian Hu, Yibo Zhao, Xinhui Li et al. · 0 citations
Preprint Aug 2026

Environment-Invariant Subspace Learning for Generalizable Deepfake Detection

This work proposes an innovative Environment-Invariant Subspace Learning (EISL) framework, which aims to disentangle features into orthogonal forgery-relevant invariant factors and environment-related residual factors via a learnable low-rank projection and designs an Environmental Intervention module that generates di...

Sheng-Hao Chen, Hao Jia, Chen Li et al. · 0 citations

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