Thanks to @ott for improving the original workflow. It takes approximately 15 to 30 minutes.

Use in conjunction with the video upscaling and frame interpolation tool: https://www.runninghub.cn/ai detail/1897330243756052482/?inviteCode=kol01 rh059
Installation manual: https://mp.weixin.qq.com/s/QK7MfIWwm94m6lD7bmYVLQ