How to Remove Grain from Video [3 Easy Methods] gemoo.com/blog/remove-grain-from-video.htmPrivate View This grainy effect tends to show up more in videos shot in low light or when your camera’s ISO is cranked up high. Now, there are two main kinds of this grain that can pop up in your videos: Luminance Noise: This is the grain that messes with the brightness of your pixels, making your video look a bit more like a gritty film noir than a high-def blockbuster.