1. rotoscope - Noun
2. rotoscope - Verb
rotoscope (uncountable)
(film, television, visual effects) A technique in which animators trace live-action movement frame by frame.
rotoscope (third-person singular simple present rotoscopes, present participle rotoscoping, simple past and past participle rotoscoped)
(transitive) To use this technique upon.
Live action scenes were transformed with rotoscope software and the film was entirely animated. Source: Internet
The anime was aired in 2013 and drew attention due to its heavy use of rotoscope animation. Source: Internet