Author

Zhi-Wei Ning

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Preprint Oct 2026

Self-correction Optimization for Interleaved Multimodal Generation

Multimodal large language models (MLLMs) have made significant progress in visual understanding and generation. However, generating interleaved image--text content remains challenging, as it requires tightly integrated multimodal understanding and generation capabilities. Although existing MLLMs provide promising solut...

Xin You, Zhi-Wei Ning, Zu-Kai Chen et al. · 0 citations

Preprint Oct 2026

Flow Matching Reinforcement for 3D Mesh Generation via Dynamic Homing Optimization

Flow matching is central to 3D generation, yet in practice its reinforcement learning (RL) methods are largely adapted from 2D visual generation. Representative DPO-, GRPO-, and NFT-style objectives, when applied to negative trajectories, mainly steer predicted velocities away from the corresponding directions without...

Zhen-Wu-Yong Zhou, Zhi-Wei Ning, Pu-Hua Jiang et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Flow3D-OPD: Multi-Teacher On-Policy Distillation for 3D Geometry Generation with Flow-Matching Diffusion Transformer

This work proposes Flow3D-OPD, a two-stage post-training framework that introduces multi-teacher distillation into 3D geometry generation and achieves consistent improvements across all geometric quality dimensions and surpasses all teacher models in the average metric.

Zhi-Wei Ning, Zhen-Wu-Yong Zhou, Pu-Hua Jiang et al. · 1 citation