The following publications are possibly variants of this publication:
- Generation of Pencil Sketch DrawingHwei-Jen Lin, Yue Sheng Li. icitcs 2014: 1-4 [doi]
- Chinese flower-bird character generation based on pencil drawings or brush drawingsGuanzhao Li, Jianwei Zhang, Danni Chen, Zhenmei Liu, Junting He. jei, 28(03):33029, 2019. [doi]
- Robust pencil drawing generation via fast Retinex decompositionTeng Li, Shijie Hao, Yanrong Guo. cg, 97:67-77, 2021. [doi]
- A feature-based pencil drawing methodNan Li, Zhiyong Huang. graphite 2003: 135-140 [doi]