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Guangfu Guo

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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

DualOPSD: Adaptive Privileged Teachers for On-Policy Self-Distillation

DualOPSD, an asymmetric alternating framework that adapts both policies, reduces truncation across all three scales, and makes later supervision responsive to the learner and does not require another rollout.

Yu-Tong Chen, Guang-Fu Guo, Zhi-Chao Xu et al. · 2 citations · ⚡1
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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