![]() ![]() In instances where green is an integral part of a character’s wardrobe or costume, shooting on blue is the next choice.įrom a camera standpoint, most digital camera sensors use a Bayer Pattern.īayer Pattern sensors have twice as many green photosites than red or blue. Green is a color that isn’t commonly found in, or on, humans. Performances shot in green or blue physical environments were executed with chroma keying in mind. ![]() the chrominance value), designating anything with that color transparent. You can generate a matte by applying a luma key to your shot, then designating which brightness level is transparent and which is opaque.Ĭhroma keys let you select a specific color in an image (i.e. Luma keys operate on the brightness levels, or luminance values, of an image. ![]() There are two primary types of keys: luma keys and chroma keys. If a shot is planned and executed correctly, pulling a key may be straightforward, but it usually requires a bit of finesse. ![]() It begins with selecting a color or brightness value in a shot, which will be rendered transparent. It’s often done for visual effects (such as to remove green screens), or in color correction (to add warmth just to skin tones). Keying is the process of separating and isolating elements of an image by their color or brightness. ![]()
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