PS怎么扣出蒲公英并换背景?
<p>和大家分享一下蒲公英的抠图方法。</p><p><div class="arc_down"><img src="https://img.jbzj.com/do/uploads/litimg/130416/16061464391.jpg"><p class="arc_down_title">Adobe Photoshop 8.0 中文完整绿色版</p><ul><li><span>类型：</span>图像处理</li><li><span>大小：</span>150.1MB</li><li><span>语言：</span>简体中文</li><li><span>时间：</span>2015-11-04</li></ul>查看详情</div></p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558181.jpg" /></p>
<p>1、首先打开一张蒲公英的素材图片（文件-打开）。</p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558182.jpg" /></p>
<p>2、然后点击通道，选择一个<strong>对比度最强的通道</strong>（我选的红通道）。</p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558183.jpg" /></p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558184.jpg" /></p>
<p>3、复制红副本。</p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558185.jpg" /></p>
<p>4、<strong>图像-调整-<font color="#ff0000">曲线</font></strong>，<strong>调整对比度</strong>。</p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558186.jpg" /></p>
<p>5、载入红副本。</p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558187.jpg" /></p>
<p>6、进入<strong>RGB通道</strong>，选择-修改-收缩，设置为1，确定，然后点<strong><font color="#ff0000">ctrl+J</font></strong>复制选区中的图像，生成图层一。</p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558188.jpg" /></p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558189.jpg" /></p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558190.jpg" /></p>
<p>7、然后选择背景图层，选择工具箱中的，<strong>快速选择工具</strong>，创建选区，然后ctlr+j复制选区，生成图层二，然后合并图层一和图层二。</p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558191.jpg" /></p>
<p>8、打开一个背景图片。<strong>将图层一拖动到田野图片中就可以了</strong>。（蒲公英的叶子以及蒲公英茎选多少大家自己决定）</p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558192.jpg" /></p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558193.jpg" /></p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558194.jpg" /></p>
<p align="center"><img alt="" src="https://img.jbzj.com/file_images/photoshop/201611/20161129121558195.jpg" /></p>
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