FlexiClip: Locality-Preserving Free-Form Character Animation
Anant Khandelwal

TL;DR
FlexiClip introduces a novel method for clipart animation that ensures smooth, natural, and structurally consistent motion by integrating advanced temporal and geometric modeling techniques with pre-trained diffusion models.
Contribution
The paper presents FlexiClip, a new approach that combines Bézier trajectories, temporal Jacobians, pfODEs, and flow matching loss to improve clipart animation quality and consistency.
Findings
FlexiClip produces smoother and more natural animations.
It maintains structural consistency across diverse clipart types.
The method outperforms existing techniques in visual fidelity and temporal coherence.
Abstract
Animating clipart images with seamless motion while maintaining visual fidelity and temporal coherence presents significant challenges. Existing methods, such as AniClipart, effectively model spatial deformations but often fail to ensure smooth temporal transitions, resulting in artifacts like abrupt motions and geometric distortions. Similarly, text-to-video (T2V) and image-to-video (I2V) models struggle to handle clipart due to the mismatch in statistical properties between natural video and clipart styles. This paper introduces FlexiClip, a novel approach designed to overcome these limitations by addressing the intertwined challenges of temporal consistency and geometric integrity. FlexiClip extends traditional B\'ezier curve-based trajectory modeling with key innovations: temporal Jacobians to correct motion dynamics incrementally, continuous-time modeling via probability flow ODEs…
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Videos
Taxonomy
TopicsHuman Motion and Animation · 3D Shape Modeling and Analysis · Computer Graphics and Visualization Techniques
MethodsDiffusion
