Method for up-scaling an input image and an up-scaling system
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United States of America Patent
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Dec 20, 2011
Grant Date -
Jul 2, 2009
app pub date -
Dec 31, 2007
filing date -
Dec 31, 2007
priority date (Note) -
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Abstract
The invention relates to techniques of up-scaling an input image represented by an input video signal in an image up-scaling system, especially to a method and an image up-scaling system for up-scaling an input image represented by an input video signal, the method comprising steps of receiving and processing the input video signal in an up-scaling device (21, 23), providing a linear up-scaled video signal generated by the up-scaling device (21, 23) to a signal combining device (24), receiving and processing the input video signal in a harmonics generation device (22, 25, 26, . . . , 30), generating an up-scaled output image represented by an up-scaled output video signal by combing the up-scaled video signal with a higher harmonics video output signal provided by the harmonics generation device (22, 25, 26, . . . , 30) in the signal combining device (24), and providing the up-scaled output video signal to an output of the combining device (24).
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