Pierre Benard, Forrester Cole, Michael Kass, Igor Mordatch, James Hegarty, Martin Sebastian Senn, Kurt Fleischer, Davide Pesare, Katherine Breeden
Skilled artists, using traditional media or modern computer painting
tools, can create a variety of expressive styles that are very
appealing in still images, but have been unsuitable for animation.
The key difficulty is that existing techniques lack adequate
temporal coherence to animate these styles effectively.
Here we augment the range of practical
animation styles by extending the guided texture synthesis method of
Image Analogies [Hertzmann et al, 2001] to create temporally
coherent animation sequences.
To make the method art directable, we allow artists to paint
portions of keyframes that are used as constraints. The in-betweens
calculated by our method maintain stylistic continuity and yet
change no more than necessary over time.
Additional materials: [ComputerGraphicsWorldArticle.pdf], [PaintTweenWorkingSets.tgz], [mainVideo.mov], [PaintTweenDistro.tgz], [additionalResults.mov]
Available in the proceedings of SIGGRAPH 2013.
Available as Pixar Technical Memo #13-03