There are several ways to upgrade old footage to 4K or 8K resolution. One popular method is to use AI video upscaling software, which uses artificial intelligence algorithms to enhance the resolution and quality of the footage. Examples of such software include Filmage Screen, AI Video Enhancer, and Topaz Video Enhance AI. These tools can improve the resolution of the footage by up to 8K and can also enhance the color, brightness, and contrast of the video.
Another method to upgrade old footage to 4K or 8K resolution is to use video editing software such as DaVinci Resolve, which offers a SuperScale feature that can upscale footage to 4K or 8K resolution using AI technology. This feature can be used to give footage a quality boost and make it look more crisp and clear.
It's worth noting that while these methods can improve the resolution and quality of old footage, they may not be able to fully restore footage that is heavily damaged or of very poor quality. Additionally, upgrading footage to 4K or 8K resolution may require a powerful computer and a lot of processing power, so it's important to ensure that your computer is capable of handling the workload. Overall, using AI video upscaling software or video editing software with AI technology can be effective ways to upgrade old footage to 4K or 8K resolution.