1.打开原图,曲线用黑色吸管吸图中最黑的部位,是我朋友亚楠的头,做这个教程的时候我才发现她的头发很黑。白色吸管和上面样,不再说。
2. 主要说下中性黑的寻找。
填充黑色,差值。 新建阈值参数为9.标注最先显现出来的黑色部分。此处就是中性黑。删除 黑色,阈值两层。打开上面曲线用灰吸管吸刚刚标注部分。
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