We develop and present a new approach to modelling the characteristics of human hair, considering not only its structure, but also the control of its motion and a technique for rendering it in a realistic form. The approach includes a system for interactively defining the global positioning of the strands of hair on the head. Special attention is paid to the self shadowing of the hair. A mass/spring/hinge system is used to control a single strand's position and orientation. We demonstrate that this approach results in a believable rendition of the hair and its dynamics.
A system is described for the generation of real time quasi three-dimensional animated television images. The technique utilized is a composite of the "multi-plane" cartoon animation technique and three-dimensional object projection techniques using polygonal patch representations of objects. The hardware environment consists of a hierarchical memory structure utilizing shift register "background" planes and a fast random access main image "foreground" plane. The foreground plane has a variable "depth" with respect to the background planes. Perspective relations in the image structure are maintained in real time with only infrequent updating of the background data.
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