Image-driven Robot Drawing with Rapid Lognormal Movements
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arXiv
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| Autores principales: | , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866911038466686976 |
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| author | Berio, Daniel Clivaz, Guillaume Stroh, Michael Deussen, Oliver Plamondon, Réjean Calinon, Sylvain Leymarie, Frederic Fol |
| author_facet | Berio, Daniel Clivaz, Guillaume Stroh, Michael Deussen, Oliver Plamondon, Réjean Calinon, Sylvain Leymarie, Frederic Fol |
| contents | Large image generation and vision models, combined with differentiable rendering technologies, have become powerful tools for generating paths that can be drawn or painted by a robot. However, these tools often overlook the intrinsic physicality of the human drawing/writing act, which is usually executed with skillful hand/arm gestures. Taking this into account is important for the visual aesthetics of the results and for the development of closer and more intuitive artist-robot collaboration scenarios. We present a method that bridges this gap by enabling gradient-based optimization of natural human-like motions guided by cost functions defined in image space. To this end, we use the sigma-lognormal model of human hand/arm movements, with an adaptation that enables its use in conjunction with a differentiable vector graphics (DiffVG) renderer. We demonstrate how this pipeline can be used to generate feasible trajectories for a robot by combining image-driven objectives with a minimum-time smoothing criterion. We demonstrate applications with generation and robotic reproduction of synthetic graffiti as well as image abstraction. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_03166 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Image-driven Robot Drawing with Rapid Lognormal Movements Berio, Daniel Clivaz, Guillaume Stroh, Michael Deussen, Oliver Plamondon, Réjean Calinon, Sylvain Leymarie, Frederic Fol Robotics Graphics Large image generation and vision models, combined with differentiable rendering technologies, have become powerful tools for generating paths that can be drawn or painted by a robot. However, these tools often overlook the intrinsic physicality of the human drawing/writing act, which is usually executed with skillful hand/arm gestures. Taking this into account is important for the visual aesthetics of the results and for the development of closer and more intuitive artist-robot collaboration scenarios. We present a method that bridges this gap by enabling gradient-based optimization of natural human-like motions guided by cost functions defined in image space. To this end, we use the sigma-lognormal model of human hand/arm movements, with an adaptation that enables its use in conjunction with a differentiable vector graphics (DiffVG) renderer. We demonstrate how this pipeline can be used to generate feasible trajectories for a robot by combining image-driven objectives with a minimum-time smoothing criterion. We demonstrate applications with generation and robotic reproduction of synthetic graffiti as well as image abstraction. |
| title | Image-driven Robot Drawing with Rapid Lognormal Movements |
| topic | Robotics Graphics |
| url | https://arxiv.org/abs/2507.03166 |