Liu, Yaqiong, Seah Hock Soon, Ying He, Juncong Lin, and Jiazhi Xia. 2012. “Sketch Based Image Deformation and Editing With Guaranteed Feature Correspondence”. International Journal of Virtual Reality 11 (1):25-32. https://doi.org/10.20870/IJVR.2012.11.1.2834.