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An RBF-based reparameterization method for constrained texture mapping

机译:基于RBF的约束纹理映射重参数化方法

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摘要

Texture mapping has long been used in computer graphics to \udenhance the realism of virtual scenes. However, to match the 3D model feature points with the corresponding pixels in a texture image, surface parameterization must satisfy specific positional constraints. However, despite numerous \udresearch efforts, the construction of a mathematically robust, foldover‐free parameterization that is subject to \udpositional constraints continues to be a challenge. In the \udpresent paper, this foldover problem is addressed by developing radial basis function (RBF) based reparameterization. Given initial 2D embedding of a 3D \udsurface, the proposed method can reparameterize 2D embedding into a foldover ‐free 2D mesh, satisfying a set \udof user‐specified constraint points. In addition, this approach is mesh‐free. Therefore, generating smooth texture \udmapping results is possible without extra smoothing optimization.
机译:纹理映射长期以来一直用于计算机图形学,以增强虚拟场景的真实感。但是,为了使3D模型特征点与纹理图像中的相应像素匹配,表面参数化必须满足特定的位置约束。然而,尽管进行了许多\ udresearch努力,但要受到\ udposition约束的数学上健壮,无折痕的参数化的构造仍然是一个挑战。在本文中,通过开发基于径向基函数(RBF)的重新参数化解决了该折叠问题。给定3D \ udsurface的初始2D嵌入,所提出的方法可以将2D嵌入重新参数化为无折叠的2D网格,满足一组用户指定的\ udof约束点。此外,这种方法是无网格的。因此,无需额外的平滑优化就可以生成平滑的纹理\ udmapping结果。

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