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cs.CV2026
Visual Representation and History Modeling for Navigation World Models
Guangfu Guo, Xiaoqian Lu, Rui Liu +3
Navigation World Models (NWMs) predict action-conditioned visual futures for planning. Two practical challenges are central to their design: selecting a suitable visual representat…
cs.CV2026
SSR: Similarity-Shift Refinement for Training-Free Object-Centric Masks
Xiaoqian Lu, Guangfu Guo
Object-centric models often produce fragmented masks, boundary leakage, and incorrect region merging. We introduce Similarity-Shift Refinement (SSR), a training-free post-hoc metho…
cs.CV2026
Beyond Static Visual Tokens: Structured Sequential Visual Chain-of-Thought Reasoning
Guangfu Guo, Xiaoqian Lu, Yue Feng +1
Current multimodal LLMs encode images as static visual prefixes and rely on text-based reasoning, lacking goal-driven and adaptive visual access. Inspired by human visual perceptio…