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Xiaoqian Lu

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Preprint Aug 2026

SSR: Similarity-Shift Refinement for Training-Free Object-Centric Masks

Similarity-Shift Refinement (SSR), a training-free post-hoc method for improving object-centric masks with a frozen self-supervised Vision Transformer, provides a simple and transferable signal for training-free object-centric mask refinement.

Xiao-Qian Lu, Guang-Fu Guo · 1 citation
Preprint Aug 2026

Visual Representation and History Modeling for Navigation World Models

Navigation World Models (NWMs) predict action-conditioned visual futures for planning. Two practical challenges are central to their design: selecting a suitable visual representation and efficiently modeling observation history for repeated candidate queries. Standard Global-Softmax attention provides flexible interac...

Guang-Fu Guo, Xiao-Qian Lu, Rui Liu et al. · 0 citations

Beyond Static Visual Tokens: Structured Sequential Visual Chain-of-Thought Reasoning

A question-relevant saliency map identifies and organizes key visual regions, explicitly modeling the spatial distribution of visual importance, and induces a curriculum-like semantic progression from primary to secondary cues, validating structured and sequential visual cognition.

Guangfu Guo, Xiaoqian Lu, Yue Feng et al. · 1 citation
Preprint Aug 2026

DeltaFlow: Noise-Adaptive Bidirectional Gated Delta Networks for Embedded Language Flows

DeltaFlow is a promising alternative to dense attention for efficient continuous language denoising and noise-adaptive memory control and scheduled Temporal State Consistency to stabilize hidden representations across nearby noise levels are introduced.

Guang-Fu Guo, Xiao-Qian Lu, Linsey Pang et al. · 1 citation

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