Author

Shiwei Zhang

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#machine learning May 2026

DiffusionOPD: A Unified Perspective of On-Policy Distillation in Diffusion Models

Theoretically, the OPD framework is lifted from discrete tokens to continuous-state Markov processes, deriving a closed-form per-step KL objective that unifies both stochastic SDE and deterministic ODE refinement via mean-matching, which provides lower variance and better generality compared to conventional PPO-style p...

Quanhao Li, Jun-Qiu Yu, Kai-Xun Jiang et al. · arXiv.org · 34 citations · ⚡10

Preprint Aug 2026

OmniEdit-Bench: A Comprehensive Benchmark for Instruction-based Video Editing

The OmniEdit-Bench provides a comprehensive and reliable testbed for evaluating instruction-based video editing and offers insights into future research directions, including an accuracy-aware penalty mechanism that conditions other scores on accuracy, preventing visually plausible but incorrect edits from receiving in...

Chenxuan Miao, Yutong Feng, Yi Lu et al. · 1 citation

Preprint Jul 2026

FilmWorld: Agentic Novel-to-Film Generation through Dynamic Cinematic World Modeling

FilmEval is introduced, a systematic evaluation framework that couples a difficulty-graded benchmark of 15 representative novels with an automated protocol of nine objective metrics spanning three dimensions: cinematic presentation, film consistency, and novel fidelity.

Jialong Zuo, Haotong Zuo, Shiwei Zhang et al. · 0 citations