Browsing by Subject "Human animation"
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Item Open Access Animation of human motion : an interactive tool(Bilkent University, 1991) Mahmud, Syed KamranThe goal of this work is the implementation of an interactive, general purpose, human motion animation tool. The tool uses parametric key-frame animation as the animation technique. DiflPerent abstractions of motion specification in key-frame generation are explored, and a new notion of semi goal-directed animation for generating key-frame orientations of human body is introduced to resolve the tradeoif between animator and machine burden in choosing a level of motion specification.Item Open Access Realistic rendering of human models(Bilkent University, 2001) Arabacı, GültekinRealistic rendering of human models has an increasing importance in computer graphics. Simulation of muscle bulging and proper deformations of skin at joints, makes human animation more realistic. In this thesis, we describe a layered human animation system in which muscles move with respect to the bones and the skin deforms according to the muscles. Muscles are modelled as ellipsoids and their shapes are deformed with the movements of the bones represented by sticks in the skeleton. The skin is anchored to the muscles and it changes its shape as the muscles bulge. Every muscle may have different user defined bulging ratios according to the joint movements.