万相图生视频加速工作流(Fast I2V: Wan2.1 + Wan_fun 2-Stage Acceleration)

传统工作流直接使用Wan2.1_I2V_14b模型生成720p视频，存在耗时长的问题。

本工作流采用分阶段采样策略优化视频生成效率，速度提升到2倍以上。

第一步：使用Wan2.1_I2V_14b模型生成228p基础视频。

第二步：通过Wan2.1_fun_1.3b模型进行放大，最终输出720p高清视频。

附件中PNG图片隐藏了工作流信息。只要将它拖入Comfyui界面中即可。

Original Workflow:

The conventional workflow directly utilizing the Wan2.1_I2V_14b model for 720p video synthesis suffers from prolonged processing times.

Optimized Workflow:

This pipeline implements a two-stage sampling strategy to enhance video generation efficiency, reducing the total processing time by over 50%:

Base Video Synthesis: The Wan2.1_I2V_14b model first generates a 228p foundational video sequence.

Resolution Enhancement: The Wan2.1_fun_1.3b model then performs temporally consistent super-resolution upscaling to deliver 720p high-definition output.

The workflow information is hidden in the PNG image attached. You just need to drag it into the ComfyUI interface.

Wan2.1-I2V-14B-480P-gguf:https://huggingface.co/city96/Wan2.1-I2V-14B-720P-gguf/tree/main

Wan2.1-Fun-1.3B-Control: https://huggingface.co/alibaba-pai

text_encoders+clip_vision+vae:https://blog.comfy.org/p/wan21-video-model-native-support