Photoshop抠图教程：树枝抠图方法教程综述
本教程为大家介绍四种方法使用photoshop抠树枝。一、通道抠图
http://www.06ps.com/d/file/2015/0912/20150912114657209.jpg
1.打开图片,进入通道
http://www.06ps.com/d/file/2015/0912/20150912114702861.jpg
2.复制蓝色图层
http://www.06ps.com/d/file/2015/0912/20150912114703845.jpg
3.得到蓝副本点ctrl+i反向.ctrl+l,调整色阶如图:
http://www.06ps.com/d/file/2015/0912/20150912114705701.jpg
4.点载入选区
http://www.06ps.com/d/file/2015/0912/20150912114706697.jpg
5.回到图层,点ctrl+j抠出
http://www.06ps.com/d/file/2015/0912/20150912114707132.jpg
6.图像有点模糊.复制抠出的图层
http://www.06ps.com/d/file/2015/0912/20150912114709275.jpg
二、色彩范围抠图
1.进入通道,复制蓝色图层
http://www.06ps.com/d/file/2015/0912/20150912114710126.jpg
2.得到蓝副本点ctrl+i反向,选择,色彩范围
http://www.06ps.com/d/file/2015/0912/20150912114711828.jpg
3.回到图层点ctrl+j抠出
http://www.06ps.com/d/file/2015/0912/20150912114712557.jpg
http://www.06ps.com/d/file/2015/0912/20150912114713404.jpg
三、通道计算抠图
1.复制一份新图层
http://www.06ps.com/d/file/2015/0912/20150912114714280.jpg
2.图像,计算:红+绿
http://www.06ps.com/d/file/2015/0912/20150912114715450.jpg
3.得到alpha,选中Alpha通道，ctrl+I（反相），载入alpha通道
http://www.06ps.com/d/file/2015/0912/20150912114716699.jpg
4:ctrl+J抠出图像,抠出的图有点模糊复制几份
http://www.06ps.com/d/file/2015/0912/20150912114718113.jpg
四、图层样式抠图
1:复制层
http://www.06ps.com/d/file/2015/0912/20150912114719166.jpg
2:选择图层样式
http://www.06ps.com/d/file/2015/0912/20150912114720532.jpg
3:调整如图
http://www.06ps.com/d/file/2015/0912/20150912114723484.jpg
4:隐藏背景层的眼睛。
http://www.06ps.com/d/file/2015/0912/20150912114726395.jpg
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