METHOD AND APPARATUS FOR ENCODING IMAGE DATA
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United States of America Patent
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Issued Date -
May 26, 2016
app pub date -
Nov 25, 2014
filing date -
Nov 25, 2014
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Abstract
The present invention relates to a method and apparatus for encoding image data defining a graphics object. The method comprises partitioning the graphics object into a plurality of sub-images, deriving digital image data for each sub-image, the digital image data defining the respective sub-image, deriving sub-image position data defining the relative positioning of the sub-images within the graphics object, scrambling the digital image data for the plurality of sub-images, encrypting sub-image position data, and outputting encoded image data defining the graphics object comprising the scrambled sub-image data and the encrypted sub-image position data.
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