Author

Taiki Miyanishi

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#artificial intelligence Preprint Oct 2026

Detect and Suppress: A Mechanistic Defense against Adversarial Patches in VLA Models

Adversarial patches can disrupt Vision-Language-Action (VLA) models by manipulating visual observations, leading to failures in robot control. However, it remains poorly understood which internal mechanisms underlie these failures and how targeted interventions can mitigate them. In this work, we mechanistically analyz...

Yukiya Horiba, Koshiro Aoki, Shunsuke Yasuki et al. · 0 citations

Preprint Jul 2026

LongEgoRefer: A Benchmark for Long-Form Egocentric Video Referring Expression Comprehension

LongEgoRefer is introduced, a novel and challenging benchmark constructed from long-form videos in the Ego4D dataset that defines a demanding spatio-temporal grounding problem that requires models to identify both when an event occurs and where the referred object appears within extended video sequences.

Shunya Kato, Taiki Miyanishi, Shuhei Kurita et al. · 0 citations