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Author

Dezhi Han

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Open access 2026

Decoupled global-local collaborative network for visual question answering

Visual Question Answering (VQA) aims to achieve cross-modal semantic understanding through joint modeling of visual content and natural language. Although existing attention-based approaches effectively align features, they struggle to simultaneously accommodate global semantic modeling and local fine-grained perceptio...

Gan-Long Zhou, Dezhi Han, Xiang Shen et al. · 0 citations
Aug 2026

Semantic manifold-aware cross-modal similarity learning.

A Semantic Manifold-Aware Similarity Learning (SMSL) framework, where the term "semantic manifold" is used in an operational sense to denote a topology-aware organization of textual semantic units induced from token/entity interactions, rather than a strict low-dimensional differentiable manifold.

Li-Qi Zhu, De-Zhi Han, Chong-Qing Chen · 0 citations

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