Bump map compositing for simulated digital painting effects
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United States of America Patent
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-
Nov 26, 2002
Grant Date -
N/A
app pub date -
Jul 10, 1998
filing date -
Jul 15, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A method of compositing multiple images together so as to produce realistic effects is disclosed. The method comprises defining an image canvas bump map approximating a surface to be painted on; defining a painting bump map of a painting object to be painted on the surface; combining the image canvas bump map and the painting bump map to produce a final composited bump map. The step of combining utilises a stiffness factor, the stiffness factor determining a degree of modulation of the painting bump map by the image canvas bump map. The combining process can comprise low-pass filtering the image canvas bump map with the stiffness determining the degree of low-pass filtering. The application is particularly suited for utilization in a hand held camera device to produce instant images on demand having a brushed artistic interpretation.
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Cited Art Landscape
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