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The Primatte chromakey algorithm is a method of color space segmentation, where Primatte segments all the colors in the foreground image into one of four separate categories. The result is a 'spill suppressed' foreground image and a matte which is used to apply the modified foreground to a suitable background. Primatte works in 3D RGB color space.
OpenFX (OFX), a.k.a. The OFX Image Effect Plug-in API, is an open standard for 2D visual effects or compositing plug-ins. It allows plug-ins written to the standard to work on any application that supports the standard.
The practicality of green-screen compositing is demonstrated by actor Iman Crosson in a self-produced video. Top panel: A frame in a full-motion video shot in the actor's living room.
A commercially manufactured keyer, the Twiddler 2. A keyer for wearable computing, designed and built for making lightvector paintings. Note the thumbwheel for cursor control and lightvector weight setting. The keyer is designed to hold a video screen (below the keyer) and a photographic flash lamp (above the keyer).
Additional color tools / New version of Primatte - 5 / Direct support for "KONA 3G - AJA Video Systems" (already existed as plugin from AJA) Fusion 6.4 6.4 July 2012 Connect to AVID, new camera formats, advanced 3D and geometry particles, LPeg scripting, PFTrack lens distortion, DirectX view spanning, Windows 8 compatibility. Fusion 7.0 7.0
a Wright Brothers telegraph key (missing its knob) A Morse Key from G. Hasler, Bern (1900) first used by Gotthard Railway A telegraph key, clacker, tapper or morse key is a specialized electrical switch used by a trained operator to transmit text messages in Morse code in a telegraphy system. [1]