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Xi-Hui Liu

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#artificial intelligence Preprint Sep 2026

VCN-Bench: A Video-Contextualized Navigation Benchmark for Spatial Reasoning over Prior Visual Experience

VCN-Bench is introduced, a VCN-Bench benchmark for probing closed-loop spatial reasoning over prior visual experience in MLLMs, and MV-DualVLN is proposed, a planning-oriented baseline that jointly leverages prior video and in-episode observations.

Si-Qi Zhang, Meng Wei, Chen-Yang Wan et al. · 0 citations
Jul 2026

Boogu-Image-0.1: Boosting Open Agentic Multimodal Generation via Understanding under a Minimal Budget

It is demonstrated that strengthening the understanding capability of the Boogu-Image system, through a stronger multimodal encoder, agentic prompt rewriting, and related techniques, together with improvements in data quality, training pipelines, and agentic inference-time scaling, can substantially enhance generation...

Guoxuan Chen, Chufeng Xiao, Haoran Yang et al. · 3 citations
Jul 2026

G2TAM: Geometry Grounded Track Anything Model

The Geometry Grounded Tracking Anything Model is proposed, a unified framework for promptable instance tracking in 3D using only unordered RGB images or videos and delivers strong cross-view consistency, promptable instance spatial tracking, video object segmentation and spatial reconstruction, establishing a foundatio...

Chen-Ming Zhu, Peizhou Cao, Jing-Li Lin et al. · 0 citations

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