Television – Image signal processing circuitry specific to television – Special effects
Patent
1995-01-19
1996-02-13
Kostak, Victor R.
Television
Image signal processing circuitry specific to television
Special effects
348586, 348599, 348722, H04N 5265, H04N 5275
Patent
active
054915171
ABSTRACT:
A system and method which mixes images, such as an advertisement, with a video stream of action occurring within a relatively unchanging space, such as a playing field, is disclosed. The system utilizes a model of the background space to change the video stream so as to include the image at some location within the background space. It includes a video frame grabber and an image implantation system. The frame grabber grabs a single frame of the video signal at one time. The image implantation system typically implants the grabbed image into the frame onto a predefined portion of a preselected one of the surfaces of the background space if the portion is shown in the frame. To determine the location of the portion to have implantation, the image implantation system includes a unit for receiving a) a flat model of the fixed surfaces and b) an image mask indicating the portion of the flat model onto which the image is to be mixed. Via the model, the image implantation system identifies if and where the portion is shown in the frame.
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Amir Yoel
Bar-El Dan
Kreitman Haim
Tirosh Ehud
Kostak Victor R.
Miller John W.
Scitex America Corporation
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