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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Jie Xu

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Conference Aug 2026

Multi-Cue Temporal Artifact Modeling for Deepfake Video Detection

Face swapping, facial reenactment, and expression editing have extended deepfake traces from single-frame appearance to cross-frame dynamics. Existing detectors often depend on one spatial representation or temporal path, limiting the joint preservation of transferable semantics and extraction of fine-grained temporal...

Fan-Hou Meng, Duo-Qiang Li, Jie Xu et al. · 0 citations
Preprint Aug 2026

Open-Vocabulary 3D Object Detection with Co-Distillation Discovery and Dual Guidance Robust Training

This work proposes a dual-guidance learning scheme, incorporating a scene-awareness-guided uncertainty regularization for the regression head and an LLM-guided hierarchical alignment for the classification head, effectively mitigating the negative effects of imprecise 3D bounding boxes and semantic ambiguity.

Shangbo Yuan, Jie Xu, Xiaofeng Zhu et al. · 0 citations
Preprint Aug 2026

Stream3Dv2: Geometric-Semantic Fusion Enhanced Streaming Zero-Shot 3D Scene Understanding

A comprehensive geometric-semantic fusion mechanism that resolves geometric noise and semantic ambiguity by explicitly utilizing semantic guidance and formulating 3D segmentation as solving point-and-set merging and partitioning problems, and an innovative manifold-distance-based point cloud refinement strategy.

Jie Xu, Na Zhao · 0 citations

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