Photoshop教程：利用计算法五分钟抠孔雀
Photoshopjiao cheng ：li yong ji suan fa wu fen zhong kou kong que <br><DIV id="gg_bbs"> </DIV>作者：<a href="http://www.16xx8.com/" target="_blank">未知 </a> <a href="http://bbs.16xx8.com/" target="_blank">教程</a>来源：论坛整理 <br>原图: <br><img src="http://pic.16xx8.com/article/UploadPic/2007/11/1/200711174429604.jpg" alt="" border="0"><br>效果图：<br><img src="http://pic.16xx8.com/article/UploadPic/2007/11/1/200711174430451.jpg" alt="" border="0"><br>本新闻共3<br>在这里我用的是通道运算的方法，具体步骤如下<a href="http://bbs.16xx8.com/" target="_blank">。</a> <br>1.打开原文件,观察各个通道，发现蓝色通道背景色较暗<a href="http://bbs.16xx8.com/" target="_blank">。</a> <br><img src="http://pic.16xx8.com/article/UploadPic/2007/11/1/200711174431835.jpg" alt="" border="0"><br>2.回到背景层进行通道计算，这里我们采用正片叠底模式<a href="http://bbs.16xx8.com/" target="_blank">。</a>这样混合产生的背景比原来的要暗而孔雀的白色部分混合几乎不会产生什么明暗的变化<a href="http://bbs.16xx8.com/" target="_blank">。</a> <br><img src="http://pic.16xx8.com/article/UploadPic/2007/11/1/200711174432820.jpg" alt="" border="0"><br>3.这时得到通道1.调整色阶，设置如图所示<a href="http://bbs.16xx8.com/" target="_blank">。</a> <br><img src="http://pic.16xx8.com/article/UploadPic/2007/11/1/200711174433658.jpg" alt="" border="0"><br>本新闻共3<br>4.按住ctrl键，鼠标点击通道1，得到选区<a href="http://bbs.16xx8.com/" target="_blank">。</a>回到背景层，ctrl+j 得到图层1，如图所示 <br><img src="http://pic.16xx8.com/article/UploadPic/2007/11/1/200711174434984.jpg" alt="" border="0"><br>5.将图层1的图层模式改为滤色<a href="http://bbs.16xx8.com/" target="_blank">。</a>在图层1下建立图层2，并选取适当颜色填充，得到效果如图<a href="http://bbs.16xx8.com/" target="_blank">。</a><br><img src="http://pic.16xx8.com/article/UploadPic/2007/11/1/200711174435573.jpg" alt="" border="0"><br>6.抠出孔雀的腿，得到最终效果如图<a href="http://bbs.16xx8.com/" target="_blank">。</a> <br><img src="http://pic.16xx8.com/article/UploadPic/2007/11/1/200711174436938.jpg" alt="" border="0"><br>加个背景 看看效果<br><img src="http://pic.16xx8.com/article/UploadPic/2007/11/1/200711174430451.jpg" alt="" border="0"> ps:(qq …﹑一直看不懂计算啊!ps:L 看不懂计算额 ``ps:L ps:L haohaohao haohaohaohaohaohaohao hao
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