使用PhotoShop修改照片背景主要用到抠图,PS中抠图方法是多种的,一般方法有魔术棒抠图法、多边形套索工具抠图法、钢笔抠图法、通道抠图法、滤镜抠图法等等;
使用PhotoShop快速为人物更换背景颜色步骤演示如下:
1、在PS软件中置入普通照片,Ctrl+J拷贝图层;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5fdf8db1cb1349541bd25e8e5d4e9258d0094a0f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、用钢笔工具将照片上的主体人物抠出;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8d5494eef01f3a29250463249225bc315d607c0f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、钢笔抠图完毕,按Ctrl+Enter键将路径变选区;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/2cf5e0fe9925bc315091b77255df8db1ca13700f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、Ctrl+J复制选区内容,即抠出的主体物部分,关闭背景层显示;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d62a6059252dd42aeca3b741083b5bb5c8eab8b6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、设置所需颜色为前景色,在背景层填充前景色;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0d338744ebf81a4cef985a23dc2a6059242da6b6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、如果想要以图片作为背景,可以置入图片,并调整图层顺序;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d0c8a786c9177f3e4a214de77bcf3bc79e3d56c6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、“文件--存储为”png格式图片,完成。
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