其中算法部分包括提取激光线模块、计算轮廓线模块、取中心颜色线模块；

Among them algorithm partly includes to be drawn laser thread module, calculation contour module and takes the center color thread module;

youdao

按我们的理解是，点子、花朵和另瓣的颜色均应换成白色，而叶脉和花朵的勾线(或轮廓线)仍保持原来的黑色。

To our understanding, colours of the spots, flowers and leaves are to be changed into white, while the veins and the Outlines of flowers will remain black as they are.

youdao