教你用Photoshop通道《抠图》
原图http://www.sz41.com.cn/attachments/135120/images/200912610213253077801.jpg
打开通道面板在中间我们可以发现红色通道颜色比较单调
http://www.sz41.com.cn/attachments/135120/images/200912610213256077802.jpg
复制红色通道
http://www.sz41.com.cn/attachments/135120/images/200912610213260077803.jpg
执行亮度对比度调整成黑白两种颜色
(大凡通道抠图都是这样,需要通道内调出黑白两色)
http://www.sz41.com.cn/attachments/135120/images/200912610213265077804.jpg
反相
http://www.sz41.com.cn/attachments/135120/images/200912610213269077805.jpg
载入选区
http://www.sz41.com.cn/attachments/135120/images/200912610213274077806.jpg
回到图层就可以了
http://www.sz41.com.cn/attachments/135120/images/200912610213280077807.jpg
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