Video image transforming method and apparatus
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United States of America Patent
Stats
-
Dec 3, 1991
Grant Date -
N/A
app pub date -
Feb 22, 1988
filing date -
Feb 25, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An image transforming method and apparatus divides an input image into a plurality of original minute rectangular segments. Calculations are performed to determine the positions of the four apexes of a new minute rectangular segment to which each of the original minute rectangular segments is to be transformed. The new minute rectangular segment is divided by a diagonal line into two triangular sections. The coordinates on the input image corresponding to the respective pixels in each of the triangular sections by interpolation using two of the sides of the triangular section except for the side made by the diagonal line used in dividing the new minute rectangular segment. The input image data are mapped on the corresponding output image based on the obtained coordinates.
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Cited Art Landscape
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