Image analysis – Image enhancement or restoration – Edge or contour enhancement
Patent
1996-11-05
2000-07-11
Au, Amelia
Image analysis
Image enhancement or restoration
Edge or contour enhancement
348578, G06K 940
Patent
active
060884878
ABSTRACT:
A method and apparatus for changing a video image having a number of luminance areas to a drawing-style image. An edge boundary between two luminance areas of the video image may be detected and a key signal may be generated therefrom. The key signal may be nonlinear transformed to generate a transformed key signal. Two color signals may be mixed in accordance with the transformed key signal so that the boundary of the video image may be displayable as a line in the drawing-style image.
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Au Amelia
Frommer William S.
Johnson Timothy M.
Smid Dennis M.
Sony Corporation
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