The USC Andrew and Erna Viterbi School of Engineering USC Signal and Image Processing Institute USC Ming Hsieh Department of Electrical Engineering University of Southern California

Technical Report USC-SIPI-283

“Cartoon Morphing and Animation with Wavelet Curve Descriptor”

by Gene C.-H. Chuang and C.-C. Jay Kuo

April 1995

We present a hierarchical curve descriptor which decomposes a planar curve into components of different scales by using the wavelet transform, and examine the application of the wavelet descriptor to cartoon character morphing and animation. A procedure to eliminate the undesirable self-intersection phenomenon in the morphing process is described. For animation, we model the motion of a cartoon character with the Lagrangian dynamic equation whose mass and stiffness matrices are greatly simplified via wavelet transform. As a consequence, the model parameters can be extracted and the animation procedure can be implemented very effectively.

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