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教你如何用PS实现背景虚化

How to Blur Backgrounds in Photoshop

让我们开始吧
Lets get started!
鼠标移过来选择这个“快速选择工具”
Head over and select the Quick Selection Tool.
小心地将这个人全选
Carefully select the entire person.
按住Alt键从选区中修去
Hold ALT to subtract from selection.
这个部分很费时间 我得加速这一过程
Since this part is time consuming, I will speed it up!
完成之后 鼠标向上点击“选择并遮住选区”
Once you’re done. Head up to Select and Mask.
选择这个“调整边缘画笔工具”
Select the Refine Edge Brush Tool.
这时候 只微调头发这里
Only focus on the hair, at the moment.
输出到:新建带有图层蒙版的图层
Output to: New layer with layer mask.
然后点击“确定”
Then hit OK.
我们还需要一些润色
We’ll still need to do a few touch-ups.
按住Alt键然后点击这个蒙版
Hold ALT + click on the mask.
确定你的前景色为白色
Make sure your foreground color is white.
然后选择这个“画笔工具”
Then select the Brush Tool. (B)
现在 将笔刷模式改为“柔光”
Change the Brush Mode: Soft Light. Now,
现在 重新润色头发这部分让它看起来更加自然
go over the parts of the hair to reveal it better.
将你的前景色改为黑色
Change your foreground color to black.
盖住剩下的地方
Mask out any areas that are still left behind.
按住Alt键然后点击蒙版
Hold ALT + Click on mask.
再显示背景层
Turn back on the bottom layer.
按住Ctrl然后点击蒙版
Hold CTRL + Click on the mask.
这将对人进行选择
This will make a selection of the person.
选择背景层
Select the bottom layer.
然后鼠标向上点击“选择”>“修改”>“扩展”
Then head up to Select > Modify > Expand.
修改扩展量为5像素
Expand by: 5 Pixels.
然后点击“确定”
Then hit OK.
然后再向上点击“编辑”>“填充”
Then head up to Edit > Fill.
更改内容为“内容识别”
Change the Contents: Content Aware.
点击“确定”
Then hit OK.
隐藏前置层的可见性
Hide the visibility of the top layer.
正如你所见 效果不错
As you can see it did a pretty good job.
按Ctrl+D选择
CTRL + D to select.
再次打开背景层
Turn back on the bottom layer.
确认背景层已经被选中
Make sure the bottom layer is selected.
点击“滤镜”>“模糊画廊”>“移轴模糊”
Head up to Filter > Blur Gallery > Tilt-Shift.
调大模糊量 我们可以看得更清楚
Crank up the blur so we can see it better.
现在向下拖动整个导向框
Now drag the guides down.
我将向上拖动这个滑块 以使模糊更好融合
I will drag this slider up, to blend the blur better.
这样看起来更棒
Right there looks pretty good. Next,
下一步 修改模糊量为50像素
blur around 50 px.
为了保持逼真度 让它低于20
To keep it realistic. Keep it lower than 20.
做好以后 点击“确定”
Once you’re done. Hit OK.
鼠标移过来选择这个蒙版
Head over and select the Mask.
这里我需要做一点润色
There’s a few touch-ups I need to do.
选择这个“画笔工具”
Head over and select the Brush Tool. (B)
确定是正常模式
Make sure Mode: Normal.
前景色为黑色
Foreground color black.
仔细地遮盖你不要的区域
Carefully mask out areas you don’t want.
慢慢来
Take your time.
开始看起来好一些了
It’s starting to look pretty good.
确定这个蒙版被选中
Make sure the mask is selected.
现在我们可以恢复一些阴影
We can now bring back some of the shadows.
确认这个“画笔工具”被选中
Make sure the Brush Tool is selected. (B)
设置前景色为白色
White should be set as your foreground color.
只增加无需模糊掉的阴影
Only add where the image is not blurred.
看起来好多了
That looks much better.
点击“创建新的填充或调整图层”>“色彩平衡”
Create a new adjustment layer > Color Balance.
RGB值为(-19, 0 , 14)
– 19 | 0 | + 14
然后点击“关闭”
Then hit close.
选中色彩调整层
Have the top adjustment layer selected.
按住Ctrl+Shift+Alt+E(合并可见图层)
CTRL + SHIFT + ALT + E (Merge all visible layers.)
我将对这个合并层重命名
I’m going to rename this to merged.
选中“滤镜”>“镜头校正”
Head up to Filter > Lens Correction.
点击“自定”
Click on the Custom tab.
然后设置这个晕染量为:-40
Then change the Vignette Amount: – 40
然后点击“确认”
Then hit OK.
我要加入杂色
I’m going to add noise.
这会让图像看起来更加逼真自然
This will make the image look more realistic.
按住Alt点击“创建新图层”
Hold ALT + create a new layer.
我把它命名为“杂色”
I’m going to name this > Noise.
将“模式”改为“柔光”
Change the Mode > Soft Light.
选择“填充柔光中性色(50%灰)”
Check fill with 50% Gray.
然后“确认”
Then hit OK.
点击“滤镜”>“杂色”>“添加杂色”
Head up to Filter > Noise > Add Noise. Amount:
修改参数 杂色数量:5% 高斯分布 单色
5% | Gaussian | Monochromatic
点击“确认”
Then hit OK.
然后(右键杂色图层) 选中“转换为智能对象”
Right click > Convert to Smart Object.
点击“滤镜”>“模糊”>“高斯模糊”
Head up to Filter > Blur > Gaussian Blur.
设置这个模糊半径为1.5像素
I’m going to set the Blur Radius to 1.5 Pixels
点击“确认”
Then hit OK.
缩小图片 看起来很自然
Once you take a closer look. The image itself looks natural.

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视频概述

看到别人发的图片背景是虚化的,是不是很有趣呢?点击进来让我们一起学习如何制作背景虚化吧!

听录译者

收集自网络

翻译译者

唐玉汝

审核员

审核员 AF

视频来源

https://www.youtube.com/watch?v=oZnZxrQ8AEk

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