Television – Image signal processing circuitry specific to television – Special effects
Patent
1992-07-02
1994-04-19
Kostak, Victor R.
Television
Image signal processing circuitry specific to television
Special effects
348595, 348584, H04N 5262
Patent
active
053051084
ABSTRACT:
A switcher mixer architecture creates special effects such as a dissolve or a wipe from one priority structure of the elements of an image scene to a completely different prioritized ordering of those same or even other elements that comprise the same or a different image scene. The special effect can be thought of as a "priority transition" in the sense that the priority of a set of input image signals can be transitioned from that of a "from" image to that of a "to" image. The switcher mixer architecture eliminates a soft border artifact from the special effect by allowing a border to be given its own priority as though the border were a separate image input as well as to couple together (1) a source, or "from," image having one or more elements; (2) a destination, or "to," image having one or more elements, which could be the same or different than the "from" image elements; and (3) a border image for separating the source image and the destination image in an image display.
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Ampex Systems Corporation
Kostak Victor R.
Roddy Richard J.
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