Obviously, chroma key processing done directly on-site during shooting yields better results for several reasons:
- first, this approach allows for quick adaptation of lighting for optimal results.
- second, when using hardware chroma key processing built into some SDI cards and cameras, it becomes possible to apply optimal processing algorithms and effectively separate the green screen, resulting in a high-quality stream with an alpha channel.
All of this combined allows for achieving the best results when working with chroma key.
Therefore, we recommend performing chroma key processing directly on the original signal, that is, at the shooting location.