A simple workflow for using the spatial upscale stage in LTX 2.3 to upscale any video. The LTX2.3 model upscales videos but adds its minor details and variations to the video.
LTX2.3 model adds realism to the video while upscaling with added details
The workflow can upscale to 1.5x or 2x, depending on the spatial model used (Download from LTX2.3 Huggingface repo)
One of these nodes needs to be bypassed depending on whether the original video has audio - LTXV Audio VAE Encode or LTXV Empty Latent Audio
A LoRA might be needed based on the content of the video
A brief description of video for positive prompt or can be left empty