ps通道抠图技巧 ps图片通道抠图
通道扣图原理：通道有：颜色通道、ALPHA通道、和专色通道。其中ALPHA通道是用来存储选区的，ALPHA 通道是用黑到白中间的8位灰度将选取保存。相反我们可以用ALPHA通道中的黑白对比来制作我们所需要的选区。(ALPHA通道中白色是选择区域)色阶可以同过调整图象的暗调、中间调和高光调的强地级别，校正图象的色调范围和色彩平衡。我们可以通过色阶来加大图象的黑白对比，用此来完成。<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623371.jpg" /></p>
<p><strong>方法/步骤</strong></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623372.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623373.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623374.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623375.jpg" /></p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623376.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623377.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623378.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623379.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623380.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623381.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623382.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623383.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623384.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623385.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623386.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623387.jpg" /></p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623388.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623389.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623390.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623391.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623392.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623393.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623394.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623395.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623396.jpg" /></p>
<p>跟图片点击操作。</p>
<p align="center"><img alt="ps图片通道抠图" src="https://img.jbzj.com/file_images/article/201604/20160411170623397.jpg" /></p>
<p>以上就是ps通道抠图技巧介绍，大家学会了吗？希望能对大家有所帮助！</p>
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