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Patch-based Surface Relaxation Fernando de Goes, William Sheffler, Michael Comet, Alonso Martinez, Aimei Kutt August 2018 From rigging to post-simulation cleanups, surface relaxation is a widely used procedure in feature animation. Over the years, Pixar has experimented with several techniques for this task, mostly based on variants of Laplacian smoothing. Notably, none of existing approaches are suited to reproduce the patch layout of a baseline mesh. ... more Paper (PDF) |
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Mesh Wrap based on Affine-Invariant Coordinates Fenando de Goes, Alonso Martinez July 2019 We present a new technique to transfer the mesh connectivity between 3D models of different shapes. In contrast to prior work, our method is designed to wrap meshes under large, locally non-rigid deformations, which are commonly found in feature animations. To achieve this goal, we enrich the traditional iterative closest ... more Paper (PDF) Video |
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Sculpt Processing for Character Rigging Fernando de Goes, Patrick Coleman, Michael Comet, Alonso Martinez June 2020 Pose-space sculpting is a key component in character rigging workflows used by digital artists to create shape corrections that fire on top of deformation rigs. However, hand-crafting sculpts one pose at a time is notoriously laborious, involving multiple cleanup passes as well as repetitive manual edits. In this work, we ... more Paper (PDF) Video |