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I. H. H. Lee

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Publications by I. H. H. Lee (bibliography)

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1993
 
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Hsu, S. C., Lee, I. H. H. and Wiseman, N. E. (1993): Skeletal Strokes. In: Hudson, Scott E., Pausch, Randy, Zanden, Brad Vander and Foley, James D. (eds.) Proceedings of the 6th annual ACM symposium on User interface software and technology 1993, Atlanta, Georgia, United States. pp. 197-206.

A skeletal stroke is a kind of general brush stroke for changing the shape of pictures as if by bending, shearing, twisting, while conservating the aspect ratio of selected features on the picture. It is neither a simple warping nor texture mapping technique, but a new method for controlling the deformation of a picture. A deformation model of a coordinate system has been proposed taking into account cases of discontinuous or extreme bending. Complicated pictures can be built up hierarchically by defining higher order strokes and recursive strokes. It is therefore a powerful general drawing tool and extended image transformation instrument. The use of skeletal strokes as a replacement for affine transformations in IFS coding has been explored. A novel general anchoring mechanism is proposed, which allows arbitrary control of any point in the picture. This control flexibility is particularly desirable in computer animation and digital typography. As a result, virtual '2-D models' of cartoon characters as well as pseudo 3-D objects can be created and manipulated with ease.

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Changes to this page (author)

22 Feb 2010: Modified
28 Apr 2003: Added

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May 21

Computer analyst to programmer: "You start coding. I'll go find out what they want."

-- Popular computer one-liner

 
 

Featured chapter

Read the fascinating history of Wearable Computing, told by its father, Steve Mann

Read Steve's chapter !

 
 

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