一、通道抠图
![四种树木枝叶抠图的四种方法 山村](http://img2.shancun.net/201903/27/221717731.jpg)
1.打开图片,进入通道
![](http://img2.shancun.net/201903/27/221717551.jpg)
2.复制蓝色图层
![](http://img2.shancun.net/201903/27/221717641.jpg)
3.得到蓝副本点ctrl+i反向.ctrl+l,调整色阶如图:
![](http://img2.shancun.net/201903/27/221717561.jpg)
4.点载入选区
![](http://img2.shancun.net/201903/27/221717251.jpg)
5.回到图层,点ctrl+j抠出
![](http://img2.shancun.net/201903/27/221717421.jpg)
6.图像有点模糊.复制抠出的图层
![](http://img2.shancun.net/201903/27/221717561.jpg)
二、色彩范围抠图
1.进入通道,复制蓝色图层
![](http://img2.shancun.net/201903/27/221717721.jpg)
2.得到蓝副本点ctrl+i反向,选择,色彩范围
![](http://img2.shancun.net/201903/27/221717901.jpg)
3.回到图层点ctrl+j抠出
![](http://img2.shancun.net/201903/27/221717621.jpg)
![](http://img2.shancun.net/201903/27/221717231.jpg)
三、通道计算抠图
1.复制一份新图层
![](http://img2.shancun.net/201903/27/221717751.jpg)
2.图像,计算:红+绿
![](http://img2.shancun.net/201903/27/221717741.jpg)
3.得到alpha,选中Alpha通道,ctrl+I(反相),载入alpha通道
![](http://img2.shancun.net/201903/27/221717791.jpg)
4:ctrl+J抠出图像,抠出的图有点模糊复制几份
![](http://img2.shancun.net/201903/27/221717531.jpg)
四、图层样式抠图
1:复制层
![](http://img2.shancun.net/201903/27/221717381.jpg)
2:选择图层样式
![](http://img2.shancun.net/201903/27/221717301.jpg)
3:调整如图
![](http://img2.shancun.net/201903/27/221717701.jpg)
4:隐藏背景层的眼睛。
![](http://img2.shancun.net/201903/27/221717761.jpg)
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