Introduction

Implement the algorithm presented in 1 by CUDA. You can use the code like below to get a pencil drawing production:

./gpu_pencil_draw <input> <pencil image>

or run cpu version:

./cpu_pencil_draw <input> <pencil image>

Result

• demo 1

• demo 2

Reference

1. Lu C, Xu L, Jia J. Combining sketch and tone for pencil drawing production[C]//Proceedings of the Symposium on Non-Photorealistic Animation and Rendering. Eurographics Association, 2012: 65-73.
2. GitHub repo: candycat1992/PencilDrawing