![]() ![]() If you choose to film on a green background, ensure that a similar green isn’t in the shot. If you want your actor in a green costume, shoot it on a blue background. While green is the most common background type, it’s vital to consider the other elements of your scene first. ![]() Tips & Troubleshooting Color Isn’t Important One last tip, make sure you render your timeline to see it playback at full speed. Finally, add any other effects to your clips to get the foreground to feel like a part of the background, for example, color grading, or adding a blur to your background. Remember, all of these settings will affect your subject as well as your background.Ħ. The best way to learn is trial and error, play around with the settings until you get used to what they do. Using the Matte Generation tools, adjust the settings until you have entirely removed the background. Next, swap the output from Composite to Alpha Channel, now you can see the remaining background that needs to be removed.ĥ. You’re not quite finished yet, but you can see that this already looks pretty good.Ĥ. In the Effects Controls panel, select the color picker and click on the green background. In the effects panel, search for Ultra Key and drag it to your green screen clip.ģ. Drag and drop your background footage on to your timeline, then place your green screen footage directly above it.Ģ. Learn Chrome Key Editing in Adobe Premiere Using the Ultra Keyġ. The tool looks at both the luma (light) and color of the background, allowing you to get impressive results even when the background is underlit or has a number of shadows. ![]() Ultra key is what you will need for footage that has variants in tone and shade of the background. Even with the best possible lighting on your green screen, you will not be able to shoot your scenes without having variants in the color and luma of the green background. Color KeyĬolor key is incredibly specific in its range, and will only remove pixels that are the same hex code as your selected color. These tools work very differently, but for some pieces of footage may give the same effect. There are two main types of chroma keying: color key and ultra key effects. In these instances, you can set the background to a green color and later replace it with whatever you want in post-production. Instead, something in the shot itself, like a TV screen, will need to be replaced. Sometimes, the chroma keying needed for a shot won’t be the background. For instance, if you shoot an actor with a blue shirt on a blue screen, you’ll end up with a floating head. However, you do need to be careful about the other elements of your shot. As you are removing parts of your shot based on its color, you can, in theory, use any color you like. With chroma-keying, the background doesn’t have to be green. This results in two pieces of footage being played simultaneously, with the top clip being transparent in the areas you have keyed out, leaving the bottom clip in its place. When you shoot your film, you mask out portions of the shot with a color matte and replace those sections with other images during the edit. The green screen is also called chroma key, which is a more accurate term for the actual process. This method is not only used by filmmakers when the world they want to create does not exist (such as Avatar and the Marvel films) but also when the cost of shooting in a real location would be too difficult, costly, or dangerous (like Life of Pi or Gravity). Using green-screen effects have become vital across all levels of the industry. With modern editing software, these methods have become simpler, easier to control, and more impressive in their results.Īs the technology evolved, the ambition of filmmakers has also increased. The result, while basic, allowed photographers to experiment with background replacement all from within the camera. For example, taking a photo of a subject in front of a black color matte then, using the same film, then taking a photo of a background. The original method involved photographers double exposing their film reels. ![]() Using Green Screens in Film: A Brief Historyįilmmakers have practiced green screening in its current form since the 1930s, but like most filmmaking techniques, it has earlier roots in photography. ![]()
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