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<ul class="navigation"><li class="prev"><a accesskey="p" class="prev" href="WSfd1234e1c4b69f30ea53e41001031ab64-7691a.html" title="调整颜色和色调之前的考虑事项"><img src="images/blank.gif" alt="上一页" width="17" height="17" /></a></li><li class="next"><a accesskey="n" class="next" href="WS3B030337-01D1-45b4-A006-E3ECA67B14B9.html" title="调整面板概述"><img src="images/blank.gif" alt="下一页" width="17" height="17" /></a></li></ul><div class="hierarchy"><a href="WSfd1234e1c4b69f30ea53e41001031ab64-7693a.html">颜色和色调调整</a> /
     <a href="WSfd1234e1c4b69f30ea53e41001031ab64-767ea.html"><b>了解颜色调整</b></a> 
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                <h1>
                    校正图像
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                <div><p>在校正图像的色调和颜色时，您通常需要遵循以下工作流程：</p>
<ol><li><p>使用直方图来检查图像的品质和色调范围。 </p>
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<li><p>确保已打开“调整”面板以访问颜色和色调调整。单击某个按钮访问下列步骤中描述的调整。应用“调整”面板的校正会创建调整图层，这种方法可以增大灵活性，并且不会扔掉图像信息。请参阅<a href="WS3B030337-01D1-45b4-A006-E3ECA67B14B9.html">调整面板概述</a>和<a href="WSfd1234e1c4b69f30ea53e41001031ab64-787aa.html">关于调整图层和填充图层</a>。</p>
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<li><p>调整色彩平衡以移去不需要的色痕或者校正过度饱和或不饱和的颜色。请参阅<a href="WSfd1234e1c4b69f30ea53e41001031ab64-768fa.html">颜色调整命令</a>。</p>
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<li><p>使用“色阶”或“曲线”调整来调整色调范围。</p>
<p>在开始校正色调时，首先调整图像中高光像素和阴影像素的极限值，从而为图像设置总体色调范围。此过程称作<dfn class="term">设置高光和阴影</dfn>或<dfn class="term">设置白场和黑场</dfn>。设置高光和阴影将适当地重新分布中间调像素。但是，您可能需要手动调整中间调。</p>
<p>要只调整阴影和高光区域中的色调，请使用“阴影/高光”命令。请参阅<a href="WSfd1234e1c4b69f30ea53e41001031ab64-765da.html">改善阴影和高光细节</a>。</p>
</li>
<li><p>（可选）进行其他颜色调整。</p>
<p>校正完图像的总体色彩平衡后，您可以有选择地进行调整，以便增强颜色或产生特殊的效果。</p>
</li>
<li><p>锐化图像边缘。</p>
<p>作为最后的步骤之一，使用“USM 锐化”或“智能锐化”滤镜以锐化图像的边缘清晰度。图像所需的锐化量因您使用的数码相机或扫描仪所生成的图像品质而异。请参阅<a href="WSA6F4796B-77AA-4272-8955-996E8F4B5F08a.html">锐化图像</a>。</p>
</li>
<li><p>（可选）针对打印机或印刷特性调整图像。</p>
<p>可以使用“色阶”调整或“曲线”调整中的选项将高光和阴影信息导入到输出设备（如桌面打印机）的色域中。如果将图像发送到印刷机，并且了解印刷机特性时，也可以完成这个步骤。 </p>
<p>由于锐化会增加相邻像素的对比度，因此可能会出现如下情况：在您使用的打印机或印刷机上无法印刷关键区域中的某些像素。出于此原因，最好在锐化之后微调输出设置。有关调整输出设置的更多信息，请参阅<a href="http://help.adobe.com/zh_CN/Photoshop/11.0/WSfd1234e1c4b69f30ea53e41001031ab64-7668a.html" target="_blank">设置高光和阴影目标值</a>。</p>
</li>
</ol>
<p>有关进行色调和光照校正的视频，请访问 <a href="http://www.adobe.com/go/vid0009_cn" target="_blank">www.adobe.com/go/vid0009_cn</a> 和 <a href="http://www.adobe.com/go/vid0010_cn" target="_blank">www.adobe.com/go/vid0010_cn</a>。</p>
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