×

Video Blending Using Time-Averaged Color Keys

  • US 20090066716A1
  • Filed: 09/07/2007
  • Published: 03/12/2009
  • Est. Priority Date: 09/07/2007
  • Status: Active Grant
First Claim
Patent Images

1. A method for video blending of graphics and video content for a display system, the method comprising:

  • rendering one or more graphics items for display with the video content;

    generating a plurality of graphics planes containing the rendered graphics items, wherein at least two of the graphics planes contain a different set of pixels that have a color value equal to a color key;

    receiving the video content as a series of video overlay planes;

    generating a series of video frames by combining the series of video overlay planes with a repeating combination of the graphics planes, wherein each video frame is generated by replacing the pixels in the graphics plane that are equal to the color key with the corresponding pixel from the video overlay plane; and

    outputting the plurality of video frames for display on the display system.

View all claims
  • 9 Assignments
Timeline View
Assignment View
    ×
    ×