Newest papers

CheckDistill: Adaptive Checklist Distillation for Efficient Distributional Reward Modeling in Image Editing

Yaqi Cai, Zuan Gao, Mengting Chen, Wei Li, Bo Rui Zheng · 2026 · arXiv (Cornell University)

DOI: 10.48550/arxiv.2610.26740 · cited by 0 works (OpenAlex) · open-access PDF

German

Die Verstärkung der Wahrscheinlichkeitsvorhersage von MMBen für die Anweisungsgesteuerte Bildbearbeitung erfordert Belohnungsmodelle, die zuverlässige, präzise und effiziente Rückmeldungen liefern. Die direkte skalare Vorhersage komprimiert multidimensionale Bearbeitungspräferenzen, während generative Bewertungen ihr Urteil durch ausdrückliche Begründung enthüllen können. Jedoch dekomponieren breite Bewertungskriterien nicht alle bearbeitenden Bedingungen auf instanzabhängigen Bearbeitungs- und Erhaltungsbeschränkungen und erzeugen langdimensionale Bewertungslabels zusammen mit strukturiertem Beweis für die Online-Optimierung. Wir führen CheckDistill ein, einen punktorientierten Belohnungsmodellierungsrahmen, der Anweis

Machine translation (Meta M2M100); the English original follows.

Abstract

Reinforcement learning for instruction-guided image editing requires reward models that provide reliable, accurate, and efficient feedback. Direct scalar prediction compresses multidimensional editing preferences, whereas generative evaluators can expose their judgment through explicit reasoning. However, broad scoring criteria do not specify all instance-dependent editing and preservation constraints, and generating long reasoning trajectories is costly for online optimization. We introduce CheckDistill, a pointwise reward modeling framework that internalizes instruction-adaptive checklists. We decompose each editing condition into atomic, independently verifiable requirements and construct four-dimensional scoring labels together with structured verification evidence. After supervised score initialization, a privileged teacher conditions on checklists, item-level judgments, and dimension-level rationales to supervise the student's own scoring trajectories. A reliability-weighted on-policy self-distillation objective adjusts supervision at score tokens according to agreement between the teacher's expected scores and reference labels, while retaining candidate probability weights in a truncated token support. The deployed student directly predicts four score distributions without checklist inputs or explicit reasoning and aggregates their expectations into a scalar reward. CheckDistill achieves aggregate accuracies of 72.30%, 56.67% and 82.90% on MMRB2, MER-Bench and EditReward-Bench, respectively, exceeding the compared open-source baselines on all three metrics.

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Topics: Computer science, Verifiable secret sharing, Machine learning, Artificial intelligence, Image editing, Security token

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