Computer graphics processing and selective visual display system – Computer graphics processing – Character generating
Reexamination Certificate
2006-06-20
2006-06-20
Bella, Matthew C. (Department: 2676)
Computer graphics processing and selective visual display system
Computer graphics processing
Character generating
C345S428000, C345S589000, C345S611000, C345S612000, C345S639000, C345S643000, C382S258000, C382S267000, C382S268000, C382S269000, C382S274000, C382S275000
Reexamination Certificate
active
07064759
ABSTRACT:
An area within a frame is defined in which text or an image is to be generated. The text or image may also include an optional border surrounding and adjacent to the text or image. In accordance with one embodiment, in order to increase the contrast between the text or image and the background area of the frame, one or more color component values are selected for use in generating the text/image (or associated border). Specifically, a complement of one or more color component values associated with one or more pixels of the frame are determined. The complement may, for example, be obtained from an average color component value over a set of pixels. Alternatively, the complement may be obtained directly for each of a set of pixels in the frame from which an average value may then be obtained. The complemented-averaged color component value(s) may then be used to generate the text/image and/or associated border.
REFERENCES:
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“Acronyms and Glossary: Digital Compressed Video, Communications and Storage, KNK Seminars & Strategies,” 1997, 1998. Kristine N. Kneilb. p. 33.
Definition of Frame, found at website address: http://searchnetworking.techtarget.com/sDefinition/0..sid7—gci212152.00.html.
Definition of RGB, found at website address: http://whatis.techtarget.com/definition/0..sid913gci212900.00.html.
Definition of Palette, found at website address: http://searchwebservices.techtarget.com/sDefinition/0..sid26—gci212740.00.html.
Color Representation, found at website address: http://www.netnam.vn/unescocourse/computervision/12.htm.
Bates John
Feierbach Gary F.
Apple Computer Inc.
Bella Matthew C.
Beyer Weaver & Thomas LLP
Caschera Antonio
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