Notational Animating: An Interactive Approach to Creating and Editing Animation Keyframes

Fuente: arXiv
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Auteurs principaux: Shi, Xinyu, Wei, Li-Yi, Zhao, Nanxuan, Zhao, Jian, Kazi, Rubaiat Habib
Format: Preprint
Publié: 2026
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author Shi, Xinyu
Wei, Li-Yi
Zhao, Nanxuan
Zhao, Jian
Kazi, Rubaiat Habib
author_facet Shi, Xinyu
Wei, Li-Yi
Zhao, Nanxuan
Zhao, Jian
Kazi, Rubaiat Habib
contents We introduce the concept of notational animating, an interaction paradigm for animation authoring where users sketch high-level notations over static drawings to indicate intended motions, which are then interpreted by automatic methods (e.g., GenAI models) to generate animation keyframes. Sketched notations have long served as cognitive instruments for animators, capturing forces, poses, dynamics, paths, and other animation features. However, such notations are often context-dependent, non-categorical, ambiguous, and composable based on our analysis of real-world animator-produced sketches. To facilitate interpretation, we first formalize these notations into a structured animation representation (i.e., source, path, and target). We then built an animation authoring system that translates high-level notations into the formalized intended animation, provides dynamic UI widgets for fine-grained parameter control, and establishes a closed feedback loop to resolve ambiguity. Finally, through a preliminary study with animators, we assess the usability of notational animating, reflect its affordance, and identify its contexts of use.
format Preprint
id arxiv_https___arxiv_org_abs_2603_06880
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Notational Animating: An Interactive Approach to Creating and Editing Animation Keyframes
Shi, Xinyu
Wei, Li-Yi
Zhao, Nanxuan
Zhao, Jian
Kazi, Rubaiat Habib
Human-Computer Interaction
We introduce the concept of notational animating, an interaction paradigm for animation authoring where users sketch high-level notations over static drawings to indicate intended motions, which are then interpreted by automatic methods (e.g., GenAI models) to generate animation keyframes. Sketched notations have long served as cognitive instruments for animators, capturing forces, poses, dynamics, paths, and other animation features. However, such notations are often context-dependent, non-categorical, ambiguous, and composable based on our analysis of real-world animator-produced sketches. To facilitate interpretation, we first formalize these notations into a structured animation representation (i.e., source, path, and target). We then built an animation authoring system that translates high-level notations into the formalized intended animation, provides dynamic UI widgets for fine-grained parameter control, and establishes a closed feedback loop to resolve ambiguity. Finally, through a preliminary study with animators, we assess the usability of notational animating, reflect its affordance, and identify its contexts of use.
title Notational Animating: An Interactive Approach to Creating and Editing Animation Keyframes
topic Human-Computer Interaction
url https://arxiv.org/abs/2603.06880