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[Author] Jeongin LEE(1hit)

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  • Deforming NURBS Surfaces to Target Curves for Immersive VR Sketching

    Junghoon KWON  Jeongin LEE  Harksu KIM  Gilsoo JANG  Youngho CHAI  

     
    PAPER-Computer Graphics

      Vol:
    E93-D No:1
      Page(s):
    167-175

    Designing NURBS surfaces by manipulating control points directly requires too much trial and error for immersive VR applications. A more natural interface is provided by deforming a NURBS surface so that it passes through a given target point; and by repeating such deformations we can make the surface follow one or more target curves. These deformations can be achieved by modifying the pseudo-inverse matrix of the basis functions, but this matrix is often ill-conditioned. However, the application of a modified FE approach to the weights and control points provides controllable deformations, which are demonstrated across a range of example shapes.