![]() ![]() ” But it wasn’t until the 1930s that RKO Radio Pictures developed a method of using a blue screen to add supplementary images. Porter used double exposure to add background images to the windows in the first narrative silent film, “The Great Train Robbery. The first filmmaker to use a rudimentary version of the technique was George Albert Smith in 1898, who utilized black draping and double exposure to layer in additional elements to his moving pictures. Chroma key screens-more commonly known as green screens-are tools that enable filmmakers to insert visuals into a scene by replacing certain color hues, or chroma ranges, in an image.īelieve it or not, chroma key screens date all the way back to the 1930s-and even to the late 19th century, if you include their predecessors. ![]()
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