Method and apparatus for scaling and blending an image to be displayed
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United States of America Patent
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Jun 9, 1998
Grant Date -
N/A
app pub date -
Sep 10, 1993
filing date -
Sep 10, 1993
priority date (Note) -
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Abstract
The present invention relates to an image scaler comprised of apparatus for receiving coefficients a and b and image display values of adjacent pixels P and Q respective of an image, apparatus for repeatedly operating on the coefficients and values for successive pixels according to the transform ##EQU1## where SUM is the sum of the coefficients, R is either zero or the accumulated SUM of an immediately preceding operation, A.sub.cc is an accumulated result signal, and apparatus for providing a first result signal as an output coefficient word for controlling the display of each of adjacent pixels.
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