Okabe, MakotoOwada, ShigeruIgarash, Takeo2015-02-202015-02-2020051467-8659https://doi.org/10.1111/j.1467-8659.2005.00874.xInteractive Design of Botanical Trees using Freehand Sketches and Example-based Editing10.1111/j.1467-8659.2005.00874.x487-496