VANE: 将来の視覚表現予測による視覚-言語-行動モデルの信頼性の高いテスト時訓練
VANE: Reliable Test-Time Training for Vision-Language-Action Models via Future Visual Representation Prediction
VLAポリシーのテスト時訓練を信頼性高く行うため、現在の文脈に基づいて適応を条件付け、実行した行動の将来の視覚的結果から学習し、将来の証拠に基づいて更新を選択的かつ可逆的に行うフレームワークを提案した。
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著者: Hongjin Ji, Guoyang Xia, Luoyang Sun, Fangxiang Feng, Lei Ren
分類: cs.RO, cs.CV
原文アブストラクト
Test-time training (TTT) offers a lightweight way to adapt vision--language--action (VLA) policies from unlabeled deployment streams, but it remains difficult to use reliably in closed-loop manipulation. A shared adaptation space can mix incompatible task corrections, while an online update can alter subsequent actions before its consequences are known. We introduce a reliable TTT framework for VLA policies (VANE). VANE conditions prompt adaptation on the current vision--language context and learns from the future visual consequences of executed actions. Candidate updates are isolated from the live policy, evaluated on subsequent observations, and committed only when supported by future evidence, making adaptation selective and reversible. On SimplerEnv WidowX, VANE improves average success by $3.2$ percentage points over the corresponding TTT baseline. Results on Google Robot further show that deployment-time gains remain task- and embodiment-dependent. Together, these results demonstrate a constrained, evidence-based approach to adapting VLA policies during interaction.