Photoshop巧用通道抠出透明的玻璃杯并更换背景教程
<p>透明物体抠图难度极大,需要同时把高光和暗部都抠出;因此在抠图的时候,要灵活运用通道知识,在图层或通道里面提取出高光及暗部,这样就可以快速抠出主体,并更换任何背景。</p><p><span style="color: #ff0000"><strong>最终效果:</strong></span></p>
<p align="center"><img border="0" alt="" src="https://img.jbzj.com/file_images/photoshop/201706/2017060614584881.jpg" /></p>
<p><span style="color: #ff0000"><strong>原图:</strong></span></p>
<p align="center"><img border="0" alt="" src="https://img.jbzj.com/file_images/photoshop/201706/2017060614584982.jpg" /></p>
<p><span style="color: #ff0000"><strong>主要过程:</strong></span></p>
<p>1、分析素材。打开素材图片大图,先来观察一下,杯子虽然是透明度的,但是高光和暗部都可以看到,如下图。</p>
<p align="center"><img border="0" alt="" src="https://img.jbzj.com/file_images/photoshop/201706/2017060614584983.jpg" /></p>
<p>2、按Ctrl + Shift + U 把图片去色,再按Ctrl + J 把背景图层复制一层,如下图。</p>
<p align="center"><img border="0" alt="" src="https://img.jbzj.com/file_images/photoshop/201706/2017060614584984.jpg" /></p>
<p>3、在工具箱选择钢笔工具,把杯子的主体轮廓勾出路径,如下图。</p>
<p align="center"><img border="0" alt="" src="https://img.jbzj.com/file_images/photoshop/201706/2017060614584985.jpg" /></p>
<p>4、按Ctrl + 回车把路径转为选区,按Ctrl + J 复制到新的图层。</p>
<p align="center"><img border="0" alt="" src="https://img.jbzj.com/file_images/photoshop/201706/2017060614585086.jpg" /></p>
<p align="center"><img border="0" alt="" src="https://img.jbzj.com/file_images/photoshop/201706/2017060614585087.jpg" /></p>
<p>
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