基于Li Xu论文的前两部分代码，包括Stroke和Tone Mapping -The Matlab code works for the algorithm proposed in the paper Combining Sketch and Tone for Pencil Drawing Production

Laurence Meylan的基于色调映射的高动态图像显示算法的MATLAB源代码(source code on Tone Mapping for High Dynamic Range Displays, written by Laurence Meylan)