Blending a graphic (Patent)
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| − | == Abstract == | + | == Abstract == |
| − | A graphic and video are blended by controlling the relative transparency of corresponding pixels in the graphic and the video through the use of blending coefficients. One example of a blending coefficient is an alpha signal used in conjunction with a keyer. The value of a blending coefficient for a pixel in the graphic is based on the luminance and chrominance characteristics of a neighborhood of pixels in the video. Inclusions and exclusions are set up which define how the neighborhood of pixels is used to create or change a particular blending characteristic. | + | A graphic and video are blended by controlling the relative transparency of corresponding pixels in the graphic and the video through the use of blending coefficients. One example of a blending coefficient is an alpha signal used in conjunction with a keyer. The value of a blending coefficient for a pixel in the graphic is based on the luminance and chrominance characteristics of a neighborhood of pixels in the video. Inclusions and exclusions are set up which define how the neighborhood of pixels is used to create or change a particular blending characteristic. |
| − | [[Media:Blending a graphic.pdf]] | + | [[Media:Blending_a_graphic.pdf|Media:Blending a graphic.pdf]] |
| − | [[Category:Culture_and_society]] | + | [[Category:Culture_and_society]] [[Category:Law_&_government|Category:Law_&_government]] [[Category:Patents]] [[Category:Communications]] [[Category:Broadcasting]] [[Category:TV_broadcasting]][[Category:News]] |
| − | [[Category:Law_ | + | |
| − | [[Category:Patents]] | + | |
| − | [[Category:Communications]] | + | |
| − | [[Category:Broadcasting]] | + | |
| − | [[Category:TV_broadcasting]] | + | |
Revision as of 16:25, 3 August 2009
Abstract
A graphic and video are blended by controlling the relative transparency of corresponding pixels in the graphic and the video through the use of blending coefficients. One example of a blending coefficient is an alpha signal used in conjunction with a keyer. The value of a blending coefficient for a pixel in the graphic is based on the luminance and chrominance characteristics of a neighborhood of pixels in the video. Inclusions and exclusions are set up which define how the neighborhood of pixels is used to create or change a particular blending characteristic.
