Second,the line integral convolution(LIC) algorithm was used to get better effects of illumination and local texture of pencil drawing,and the image segment was applied to gain the significant areas.

• 然后,为了更好地产生铅笔画的光线效果及其局部走势纹理,采用线积分卷积(LIC)的方法生成类似的效果,并且用适当的图像分割方法来获取有意义的区域进行LIC处理。