DistillAlign 是一种在自回归视频蒸馏中协调模式覆盖与模式寻优的方法,仅使用1.3B教师即可超越使用14B教师精炼的基线模型。

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Apache-2.0

最近更新

2026-07-30

AI 仓库情报摘要
FR-AI / ANALYSIS

为什么值得关注

它展示了精心对齐的小型教师能在视频蒸馏中胜过大型教师,并提供了完全开源发布,包括检查点、训练数据和评估流程。

适合谁使用

  • 从事视频生成和扩散模型的研究人员
  • 对模型蒸馏与压缩感兴趣的实践者
  • 自回归视频架构的开发人员
  • 寻求高效视频合成流程的工程师

典型使用场景

  • 将大型视频生成模型(如Wan2.1-14B)压缩为更小的学生模型
  • 为自回归视频模型的蒸馏技术设定基准
  • 以更低计算成本生成高质量视频
  • 复现并扩展视频蒸馏的最新成果

项目优势

  • 使用1.3B教师即超越以14B教师精炼的基线
  • 提供完整的开源资源:代码、检查点、训练数据和评估工具
  • 包含基于V-JEPA2特征的教师归一化分布评估流程
  • 支持单条和批量推理,命令清晰明确

使用前须知

  • 需要较大显存(学生模型至少24GB,原生14B教师需80GB)及128GB系统内存以加载14B教师
  • 当前仅针对Wan2.1架构,未验证对其他视频模型的泛化能力
  • 评估协议依赖固定提示/种子网格和V-JEPA2编码器,可能无法全面反映视频质量

README 快速开始

DistillAlign: Coordinating Mode Covering and Mode Seeking in Autoregressive Video Distillation

Jiaxing Li1,2*, Kai Zou1*, Cindy Zhou1,3, Kaichen Huang1,2, Junyao Gao1, Zile Wang1,

Yang Liu1, Bin Liu1, Bo An2, Yangguang Li1†

1Riemann Dynamics    2Nanyang Technological University    3Wellington College, UK

*Equal contribution    †Corresponding author

  

  

  

  

DistillAlign aligns and balances the mode-covering and mode-seeking objectives of the multi-stage autoregressive video distillation pipeline — using only a 1.3B DMD teacher, it already surpasses baselines refined with a 14B DMD teacher.

Columns ·  Wan2.1-1.3B  |  Self-Forcing  |  Causal-Forcing  |  Ours (1.3B teacher)  |  Ours (14B teacher)

🔥 News

  • [2026-07] Initial release: inference code, released checkpoints, training data, and the full teacher-normalized distribution-evaluation pipeline.

🤗 Release Table

All released generators are Wan2.1-1.3B students; the size in each name refers to the teacher used during training.

Checkpoints

ModelCheckpointDescription
Initializer (1.3B teacher)🤗 HuggingfacePre-DMD initializer, trained toward a Wan2.1-T2V-1.3B teacher
Initializer (14B teacher)🤗 HuggingfacePre-DMD initializer, trained toward a Wan2.1-T2V-14B teacher
Distilled (1.3B teacher)🤗 HuggingfaceFinal joint-distilled generator, Wan2.1-T2V-1.3B DMD teacher
Distilled (14B teacher)🤗 HuggingfaceFinal joint-distilled generator, Wan2.1-T2V-14B DMD teacher

Distillation data (prompts curated from VidProM, 25K samples each):

DataDownloadDescription
Wan2.1-14B data🤗 Huggingface25K distillat

项目描述

DistillAlign: Coordinating Mode Covering and Mode Seeking in Autoregressive Video Distillation

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