Memory efficient method and apparatus for displaying large overlaid camera images
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United States of America Patent
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May 22, 2007
Grant Date -
Sep 22, 2005
app pub date -
Mar 17, 2004
filing date -
Mar 17, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A memory efficient method and apparatus for displaying large overlaid camera images. According to one aspect of the invention, overlay image data are stored in a memory, fetched, up-scaled, and then combined with main image data to form composite image data for rendering on a graphics display device. According to another aspect of the invention, the overlay image data are stored in a memory, fetched, and then combined with main image data streamed from a source of the main image data.
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