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Communication Dans Un Congrès Année : 2023

Interactive Art-Directable Smear Frame Stylization

Résumé

Smear frames are used by artists to expressively convey motion in an animation. In this paper, we present a method to generate elongated inbetweens, i.e., smear frames created by stretching an object along its space-time trajectory. Our method takes as input the mesh of an animated character, with or without a skeleton, and outputs a deformed version of the mesh for each frame of the animation, that can still be refined by an artist before rendering. We first compute spatially and temporally coherent displacement weights that correspond to the direction and intensity of stretching of each vertex of the mesh. We then describe a framework to stylize these displacement weights, customizing elongated inbetweens at interactive rates. We propose built-in stylization functions that can be used by novice users for simple and fast smear frame generation, but our Blender “Geometry node” implementation allows easy integration of custom-made stylization functions designed by more expert artists.
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Dates et versions

hal-04285524 , version 1 (14-11-2023)

Identifiants

  • HAL Id : hal-04285524 , version 1

Citer

Jean Basset, Pierre Bénard, Pascal Barla. Interactive Art-Directable Smear Frame Stylization. J.FIG 2023 - Journées Françaises de l'Informatique Graphique, Nov 2023, Montpellier, France. ⟨hal-04285524⟩
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