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Gedas Bertasius

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#artificial intelligence Preprint Sep 2026

From Rollout to Reset: A Graph-Based Harness for Autonomous Long-Horizon Manipulation Evaluation

HALTER, a Harness for Autonomous Long-horizon Task Evaluation and Reset, which restores the scene by planning over a library of learned atomic reset skills, so demonstration cost scales with the size of that library rather than with the number of terminal states.

Jing Jiang, Yue Yang, Xin-Kai Jiang et al. · 0 citations

TimeBlind: A Spatio-Temporal Compositionality Benchmark for Video LLMs

TimeBlind is presented, a diagnostic benchmark for compositional spatio-temporal understanding that demonstrates that even frontier models rely heavily on static visual shortcuts rather than genuine temporal logic, positioning TimeBlind as a vital diagnostic tool for next-generation video understanding.

Baiqi Li, Kangyi Zhao, Ce Zhang et al. · 11 citations · ⚡4
#machine learning Preprint Sep 2026

Sensing Which Modality Matters: Evidence-Gated Regularization for Robust VLA Policies

Evidence-Gated Regularization (EGR) is proposed, a modality-agnostic training objective that introduces zero inference-time overhead and derives a per-frame and per-sensor task-relevance signal to gate two state-conditional consistency objectives: invariance on low-evidence sensors, and single-sensor sufficiency on hig...

Yue Yang, D. Romeres, C. Hori et al. · 0 citations
Jul 2026

Searching Videos as Trees: Self-Correcting Agents for Grounded Long Video QA

VideoTreeSearch (VTS) is proposed, a framework that casts grounded LVQA as iterative self-correcting search over an adaptive temporal tree, and trains an agent to navigate the tree through four discrete operations: zoom_in, zoom_out, shift, and answer.

Ce Zhang, Ziyang Wang, Yu-Lu Pan et al. · 0 citations

EgoMemReason: A Memory-Driven Reasoning Benchmark for Long-Horizon Egocentric Video Understanding

EgoMemReason is introduced, a comprehensive benchmark for week-long egocentric video understanding through memory-driven reasoning that evaluates three complementary memory types: entity memory, tracking how object states evolve and change across days; event memory, recalling and ordering activities separated by hours...

Ziyang Wang, Yue Zhang, Shoubin Yu et al. · 2 citations

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