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Chang Xu

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Preprint Sep 2026

RA-SOD: Reliability-Aware RGB-T Salient Object Detection under Modality Degradation

RGB-Thermal (RGB-T) salient object detection leverages complementary cues from visible and thermal modalities to improve robustness in challenging environments. However, in real-world scenarios, the reliability of each modality is inherently unstable: RGB images degrade under low illumination, motion blur, and noise, w...

Hong-Bo Gao, Zheng-Yu Li, Xue-Ru Nie et al. · 2 citations · ⚡1
Preprint Aug 2026

OccamView: Object-Conditioned View Selection for Frame-Budgeted Active 3D Gaussian Reconstruction

Active 3D Gaussian reconstruction fundamentally relies on selecting informative next-best views under limited sensing budgets. Existing active 3DGS methods primarily plan viewpoints according to geometric information gain, treating object-induced hidden regions in the same manner as general unexplored space. Under tigh...

Hong-Bo Gao, Wei Zhang, Ze-Yu Ni et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Learning to Act under Visual Interruptions with Vision-Language-Action Models

MINT is proposed, which first trains VLA policies to remain functional under missing visual inputs, and selectively supplements missing observations using optical-flow extrapolation or an action-conditioned world model, and withdraws predicted views when they become unreliable.

Ming-Le Jiang, Rui Xu, Yun-Ke Wang et al. · 0 citations
Preprint Aug 2026

Foresight Without Seeing: Latent Futures for World Action Models

ForeWAM is proposed, a dynamics-conditioned direct-policy WAM that provides predictive context for action generation without decoding future videos, and demonstrates that direct-policy WAMs can retain efficient action prediction while exposing predictive dynamics to the action pathway without explicitly generating futu...

Jiakai Huang, Zhongbo Wu, Siyu Xu et al. · 3 citations
Preprint Aug 2026

LoSA: Near-Lossless Sparse Attention for Training-Free Video Diffusion Acceleration

LoSA is a training-free sparse-attention method that fixes a retained-mass threshold of 99% rather than a sparsity ratio: it measures exact block attention masses at one early dense step, keeps, for each head and query block, the smallest key/value block set meeting the threshold, and reuses the frozen block indices fo...

En-Huai Liu, Yun-Ke Wang, Yu-Tong Wang et al. · 0 citations

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