Stable Diffusion using ControlNet, and then use temporal interpolation to generate the intermediate frames. This method results in smoother transitions and less flickering. To use Temporal Kit, you will need to install the extension and select the “Keyframes + SD Interpolation” method. Then, upload your video and choose the number of keyframes you want to use. The extension will generate the intermediate frames and produce a new video. This method is highly recommended for smoother and more consistent results.
https://stable-diffusion-art.com/video-to-video/