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Donghoon Han

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Preprint Oct 2026

Complementary Future Token Pruning for World Action Models

The key insight is that future visual predictions support action generation and therefore need not preserve every visual detail required for high-fidelity video synthesis, and CF-Prune, a training-free framework for pruning future-frame tokens in pretrained WAMs, is proposed.

Baekseung Kim, Junhoo Lee, Sohyeon Hong et al. · 0 citations
#machine learning Preprint Oct 2026

Policy-Aligned Predictive Verification for Adaptive VLA Action-Chunk Execution

This work introduces a policy-aligned predictive verifier (PAV) that anticipates the consequences of candidate action prefixes and evaluates their compatibility with successful continuation before execution, and combines trajectory-level survival supervision with a localization prior that preserves useful behavior with...

Minkyu Kim, Junhoo Lee, Seungyeon Kim et al. · 0 citations
#machine learning Preprint Oct 2026

N-Gram Memories at Two Bits: Quantizing Lookup Tables in Large Language Models

Conditional memory expands language-model capacity through selective lookup, but the full embedding table must remain available for every possible input. We introduce Conditional Program (CP), a compressed representation that reconstructs only the rows an input requests. CP represents each row by a short code and a loc...

Donghoon Han, Minseop Jung, Dongjin Kwak et al. · 0 citations

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