First Person Sketch-based Terrain Editing

Abstract : We present a new method for first person sketch-based editing of terrain models. As in usual artistic pictures, the input sketch depicts complex silhouettes with cusps and T-junctions, which typically correspond to non-planar curves in 3D. After analysing depth constraints in the sketch based on perceptual cues, our method best matches the sketched silhouettes with silhouettes or ridges of the input terrain. A specific deformation algorithm is then applied to the terrain, enabling it to exactly match the sketch from the given perspective view, while insuring that none of the user-defined silhouettes is hidden by another part of the terrain. As our results show, this method enables users to easily personalize an existing terrain, while preserving its plausibility and style.
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https://hal.inria.fr/hal-00976689
Contributor : Arnaud Emilien <>
Submitted on : Thursday, April 10, 2014 - 3:38:56 PM
Last modification on : Friday, October 11, 2019 - 2:48:02 PM
Long-term archiving on : Thursday, July 10, 2014 - 11:46:02 AM

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Flora Ponjou Tasse, Arnaud Emilien, Marie-Paule Cani, Stefanie Hahmann, Adrien Bernhardt. First Person Sketch-based Terrain Editing. Graphics Interface 2014, May 2014, Montréal, Canada. pp.217-224. ⟨hal-00976689⟩

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