Method for producing graphics for overlay on a video source

Details Method for producing graphics for overlay on a video source Method for producing graphics for overlay on a video source

2007-12-25

2007-12-25

Sajous, Wesner (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S619000, C345S630000, C345S650000, C715S700000, C715S719000, C715S788000, C715S798000

Reexamination Certificate

active

10856872

ABSTRACT:
Discloses a method for producing graphical overlay elements on a source video program stream using Microsoft PowerPoint slides as a source of the graphical overlay elements to be overlaid on the source video program stream, including representations of real-time information such as stock quotes or weather data. A computer software algorithm is describe which includes a PowerPoint data objects parser that interacts with PowerPoint data objects and user input to create and control the overlay of PowerPoint graphical elements on the source video program stream. The PowerPoint data objects parser produces enhanced data objects representing the overlay graphic elements that include mask and alpha channel data for use a graphics engine to composite the enhanced data objects of the overlay graphic elements with an input video program stream.

REFERENCES:
patent: 6154207 (2000-11-01), Farris et al.
patent: 6201538 (2001-03-01), Wugofski
patent: 2003/0196169 (2003-10-01), Wittkotter et al.
patent: 2004/0025178 (2004-02-01), Gordon et al.
patent: 2004/0117819 (2004-06-01), Yu
patent: 2004/0167806 (2004-08-01), Eichhorn et al.
patent: 2004/0257369 (2004-12-01), Fang
patent: 2007/0005795 (2007-01-01), Gonzalez

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