MOTIVATION: Assist in the creation of in-betweens from a set of keyframe poses (image, drawing, etc). Suggest correspondences, derive mappings and let users control the interpolation process. INSPIRATION: Alexa et al. as-rigid-as-possible interpolation. Sykora et al. various techniques for 2D animation. Richard William’s book “The Animator Survival Kit”.
Example-based Expressive Animation of 2D Rigid Bodies
Marek Dvorožňák, Pierre Bénard, Pascal Barla, Oliver Wang, Daniel Sýkora
ACM Transactions on Graphics, Proceedings of Siggraph – 2017
face-interpolations N-way morphing for 2D Animation,
William Baxter, Pascal Barla, Ken-ichi Anjyo,
Computer Animation and Virtual Worlds (Proceedings of CASA), Volume 20, Number 2 – 2009
Archive  –  paper  –  video
arachno0Match Compatible Embedding for 2D Shape Animation,
William Baxter, Pascal Barla, Ken-ichi Anjyo,
IEEE Transactions on Visualization and Computer Graphics, Volume 99, Number 2 – sep-oct 200
Archive  –  paper  – video
 cats Rigid Shape Interpolation Using Normal Equations,
William Baxter, Pascal Barla, Ken-ichi Anjyo,
Proceedings of the 6th international symposium on Non-photorealistic animation and rendering– June 2008
Archive  –  paper  –  video