PS快速把彩色背景证件照换成白色背景的证件照
这篇教程是向脚本之家的朋友介绍PS快速把彩色背景证件照换成白色背景的证件照方法，教程真的很不错，难度也不是很大，推荐到脚本之家，喜欢的朋友一起来看看吧
今天小编向大家演示的是利用PS快速把彩色背景证件照换成白色背景的证件照方法，教程很简单的，而且难度也不是很大，有需要的朋友可以试下。
步骤
1、首先打开PS软件，然后打开需要处理的图片
2、打开图片后进入通道面板，选择照片底色的那个通道，因为此处是蓝色底图，所以我们选择蓝色通道，复制这个蓝色通道
3、选择蓝色副本通道，再调整色阶，色阶位于菜单栏的图像→调整→色阶
4、然后弹出色阶面板，利用面板上的吸管在图片上取样，第一个是吸黑场，第三个是吸白场，应该区分开，好了之后点确定
5、接着回到图层面板，右键复制原图层，点确定
6、然后选择背景副本图层，选择菜单栏的图像→应用图像，弹出应用图像面板，面板上选择通道→蓝副本；混合→正常，接着点确定
7、接下来我们选择左侧栏的魔棒工具，然后点照片的白色背景处，出现边框虚线
8、然后我们点右下角的添加图层蒙版
9、再选择笔刷工具，然后右键照片处弹出选项框，选择柔性笔刷，接着左下角的前景色选择白色并确定
10、接着用笔刷涂抹头发及衣服和背景的交界处，并修缮细部
11、最后，完成，保存为合适的格式
注意事项
小编在这里用的是CS5版本，其他的版本方法基本类似
通道复制成蓝副本之后，千万要记得把蓝副本的前面的可视点亮，把原来蓝的通道关闭可视
我这里只演示蓝色背景，若是红色背景的，通道就需复制红色
以上就是PS快速把彩色背景证件照换成白色背景的证件照方法介绍，操作很简单的，有需要的朋友可以参考本文，希望能对大家有所帮助！
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