PaintsUndo: A Base Model of Drawing Behaviors in Digital Paintings Showcases (still images are inputs; videos are outputs) Other Domains (still images are inputs; videos are outputs) One Input Multiple Outputs (still images are inputs; videos are outputs) Extracting Coarse Sketches Input Coarse Very Coarse Extremely Coarse Interpolate from External Sketches Origin Anime2Sketch's output Interpolati