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<section data-role="paragraph" class="_135editor" style="border: 0px none;"><p><span style="font-size: 16px; color: rgb(63, 63, 63);">在Camera Raw中:<strong>对比度、清晰度、锐化</strong>,看似这几个滑块都可以让照片变清晰,实际上作用都不同,操作不好,分分钟让一张照片报废!</span></p><p><br style="max-width: 100%;"/></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);">你可以分得清它们的作用和区别吗?</span></p><p><br/></p><p><span style="color: rgb(63, 63, 63);"><span style="font-size: 16px; color: rgb(63, 63, 63);">接下来让我们化繁为简,</span><span style="color: rgb(63, 63, 63); font-size: 16px;">把一张照片彩色转黑白,然后转化成从最暗到最亮的灰度条</span><span style="color: rgb(63, 63, 63); font-size: 14px;">(可能之前大家没有见过类似的表达方式,不过这个方式却是最便于理解三者之间的关系)</span><span style="color: rgb(63, 63, 63); font-size: 16px;">!</span></span></p><p><br style="max-width: 100%;"/></p><p style="text-align: center;"><span style="font-size: 14px; color: rgb(192, 0, 0);">阅读时间10min</span></p><p><span style="font-size: 14px; color: rgb(192, 0, 0);"><br/></span></p><p style="text-align: center;"><span style="color: rgb(242, 242, 242);"><strong><span style="font-size: 16px; background-color: rgb(127, 127, 127);"> 例图</span></strong></span><span style="font-size: 16px; color: rgb(63, 63, 63); background-color: rgb(127, 127, 127);"> </span></p><p><br/></p><div class="image-package"><img style="max-width:100%;" class="" data-src="http://img1001.pocoimg.cn/image/poco/works/40/2018/0930/12/15382816531429257_200330784.jpg" data-by-webuploader="true" src="http://img1001.pocoimg.cn/image/poco/works/40/2018/0930/12/15382816531429257_200330784.jpg" media_id="303607831"/></div><p><br/></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);"><br/></span></p><p style="text-align: center;"><span style="color: rgb(255, 255, 255);"><strong><span style="font-size: 16px; background-color: rgb(127, 127, 127);"> 彩色转黑白</span></strong></span><span style="color: rgb(242, 242, 242);"><strong><span style="font-size: 16px; background-color: rgb(127, 127, 127);"> </span></strong></span></p><p><span style="color: rgb(242, 242, 242);"><strong><span style="font-size: 16px; background-color: rgb(127, 127, 127);"><br/></span></strong></span></p><div class="image-package"><img style="max-width:100%;" class="" data-src="http://img1001.pocoimg.cn/image/poco/works/81/2018/0930/12/15382816862892060_200330784.jpg" data-by-webuploader="true" src="http://img1001.pocoimg.cn/image/poco/works/81/2018/0930/12/15382816862892060_200330784.jpg" media_id="303607833"/></div><p><br/></p><p><br/></p><p style="text-align: center;"><span style="color: rgb(255, 255, 255);"><strong><span style="font-size: 16px; background-color: rgb(127, 127, 127);"> 黑白变灰度条 </span></strong></span></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);"><br/></span></p><div class="image-package"><img style="max-width:100%;" class="" data-src="http://img1001.pocoimg.cn/image/poco/works/39/2018/0930/12/15382832487563761_200330784.jpg" data-by-webuploader="true" src="http://img1001.pocoimg.cn/image/poco/works/39/2018/0930/12/15382832487563761_200330784.jpg" media_id="303608171"/></div><p><br/></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);">接下啦我们都是<strong>在这个渐变灰上面来观察对比度、清晰度、锐化之间的关系和区别</strong>;</span></p><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><section class="_135editor" data-tools="135编辑器" data-id="93531" style="border: 0px none;" data-color="#757576" data-custom="#757576"><section style="display: flex;justify-content: center;"><section style="width: 20px; height: 10px; background: #757576; margin-top: 10px; margin-right: -10px; margin-left: 10px; color: #ffffff;"></section><section style="border: 1px solid #757576; padding: 2px 20px; box-shadow: #757576 2px 2px 5px 0px; border-radius: 5px; color: #3f3f3f; font-size: 16px; letter-spacing: 1.5px;"><section class="135brush" data-brushtype="text">一、关于对比度</section></section></section></section><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><div class="image-package"><img style="max-width:100%;" class="" data-src="http://img1001.pocoimg.cn/image/poco/works/39/2018/0930/12/15382833512964002_200330784.gif" data-by-webuploader="true" src="http://img1001.pocoimg.cn/image/poco/works/39/2018/0930/12/15382833512964002_200330784.gif" media_id="303608175"/></div><p><br/></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);">我们来观察这个动图,分别是<strong>对比度为0,对比度增加50,对比度增加100</strong>。</span></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);"><br/></span></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);">可以从图中看增加对比度,是<strong>以中灰部分为分界线</strong>,比中灰暗的会压暗,比中灰亮的会提亮,作用区域是:<strong>全图灰度的影响</strong>。</span></p><p><span style="color: rgb(63, 63, 63); font-size: 16px;"><br/></span></p><p><span style="color: rgb(63, 63, 63); font-size: 16px;"></span></p><div class="image-package"><img style="max-width:100%;" class="" data-src="http://img1001.pocoimg.cn/image/poco/works/39/2018/0930/12/15382834057800705_200330784.gif" data-by-webuploader="true" src="http://img1001.pocoimg.cn/image/poco/works/39/2018/0930/12/15382834057800705_200330784.gif" media_id="303608177"/></div><p><span style="color: rgb(63, 63, 63); font-size: 16px;"></span><br/></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);">我们可以从直方图上面的变化,看到以中间灰为分界线,暗的更暗,亮的更亮。</span><br/></p><p><span style="color: rgb(63, 63, 63); font-size: 16px;"><br/></span></p><p><span style="color: rgb(63, 63, 63); font-size: 16px;"></span></p><div class="image-package"><img style="max-width:100%;" class="" data-src="http://img1001.pocoimg.cn/image/poco/works/67/2018/0930/12/15382834455349017_200330784.gif" data-by-webuploader="true" src="http://img1001.pocoimg.cn/image/poco/works/67/2018/0930/12/15382834455349017_200330784.gif" media_id="303608179"/></div><p><br/></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);">把图片放大的1600%增加对比度,观察边缘,发现并无变化。</span></p><p><br/></p><p><br/></p><p style="text-align: center;"><strong><span style="font-size: 16px; background-color: rgb(127, 127, 127); color: rgb(255, 255, 255);"> 关于对比度总结 </span></strong></p><p><br/></p><p><br/></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);">1、增加对比度,是以中灰部分为分界线,比中灰暗的会压暗,比中灰亮的会提亮,作用区域是:全图灰度的影响;</span></p><p><span style="font-size: 16px; color: rgb(63, 63, 63);">2、对边缘并无变化。</span></p><p><br/></p><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><section class="_135editor" data-tools="135编辑器" data-id="93531" style="border: 0px none;" data-color="#757576" data-custom="#757576"><section style="display: flex;justify-content: center;"><section style="width: 20px; height: 10px; background: #757576; margin-top: 10px; margin-right: -10px; margin-left: 10px; color: #ffffff;"></section><section style="border: 1px solid #757576; padding: 2px 20px; box-shadow: #757576 2px 2px 5px 0px; border-radius: 5px; color: #3f3f3f; font-size: 16px; letter-spacing: 1.5px;"><section class="135brush" data-brushtype="text">二、关于清晰度</section></section></section></section><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><p><span style="font-size: 16px; font-family: 宋体, SimSun; color: rgb(63, 63, 63);">再次召唤回刚刚的灰度条:</span></p><p><span style="font-size: 16px; font-family: 宋体, SimSun; color: rgb(63, 63, 63);"><br/></span></p><p><span style="font-size: 16px; font-family: 宋体, SimSun; color: rgb(63, 63, 63);"></span></p><div class="image-package"><img style="max-width:100%;" class="" data-src="http://img1001.pocoimg.cn/image/poco/works/52/2018/0930/12/15382835338665422_200330784.gif" data-by-webuploader="true" src="http://img1001.pocoimg.cn/image/poco/works/52/2018/0930/12/15382835338665422_200330784.gif" media_id="303608199"/></div><p><br/></p><p><span style="font-size: 16px; font-family: 宋体, SimSun; color: rgb(63, 63, 63);">增加清晰度,分别是0,清晰度增加50,清晰度增加100。</span></p><p><span style="font-size: 16px; font-family: 宋体, SimSun; color: rgb(63, 63, 63);"><br/></span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);">从图上可以看出:在原来的灰度基础上,把每一个灰度等级向亮的方向延伸一部分,向暗的方向延伸一部分,也可以算做是锐化的一种;这也就是为什么<strong>疯狂增加清晰度的时候会显的有些脏</strong>,无中生有了很多的层次出来。</span></p><p><span style="color: rgb(63, 63, 63); font-family: 宋体, SimSun; font-size: 16px;"><br/></span></p><p><span style="color: rgb(63, 63, 63); font-family: 宋体, SimSun; font-size: 16px;"></span></p><div class="image-package"><img style="max-width:100%;" class="" data-src="http://img1001.pocoimg.cn/image/poco/works/61/2018/0930/12/15382835904907253_200330784.gif" data-by-webuploader="true" src="http://img1001.pocoimg.cn/image/poco/works/61/2018/0930/12/15382835904907253_200330784.gif" media_id="303608203"/></div><p><span style="color: rgb(63, 63, 63); font-family: 宋体, SimSun; font-size: 16px;"></span><br/></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);">放大来看一下调整清晰度对边缘的影响,边缘部分生成了明暗过渡带,加强了边缘的反差。</span><br/></p><p><span style="color: rgb(63, 63, 63); font-family: 宋体, SimSun; font-size: 16px;"><br/></span></p><p><span style="color: rgb(63, 63, 63); font-family: 宋体, SimSun; font-size: 16px;"><br/></span></p><p style="text-align: center;"><span style="color: rgb(255, 255, 255);"><strong><span style="font-size: 16px; font-family: 宋体, SimSun; background-color: rgb(127, 127, 127);"> 关于清晰度总结 </span></strong></span></p><p><span style="font-size: 16px; font-family: 宋体, SimSun; color: rgb(63, 63, 63);"><br/></span></p><p><span style="font-size: 16px; font-family: 宋体, SimSun; color: rgb(63, 63, 63);"><br/></span></p><p><span style="font-size: 16px; font-family: 宋体, SimSun; color: rgb(63, 63, 63);">1、在原来的灰度基础上,把每一个灰度等级 向亮的方向延伸一部分 向暗的方向延伸一部分;</span></p><p><span style="font-size: 16px; font-family: 宋体, SimSun; color: rgb(63, 63, 63);">2、加强了边缘的反差。</span></p><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><section class="_135editor" data-tools="135编辑器" data-id="93531" style="border: 0px none;" data-color="#757576" data-custom="#757576"><section style="display: flex;justify-content: center;"><section style="width: 20px; height: 10px; background: #757576; margin-top: 10px; margin-right: -10px; margin-left: 10px; color: #ffffff;"></section><section style="border: 1px solid #757576; padding: 2px 20px; box-shadow: #757576 2px 2px 5px 0px; border-radius: 5px; color: #3f3f3f; font-size: 16px; letter-spacing: 1.5px;"><section class="135brush" data-brushtype="text">三、关于锐化</section></section></section></section><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><p style="max-width: 100%; min-height: 1em; color: #333333; font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:=""><br/></p><div class="image-package"><img style="max-width:100%;" class="" data-src="http://img1001.pocoimg.cn/image/poco/works/79/2018/0930/13/15382836597918221_200330784.gif" data-by-webuploader="true" src="http://img1001.pocoimg.cn/image/poco/works/79/2018/0930/13/15382836597918221_200330784.gif" media_id="303608211"/></div><p><br/></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);">分别是锐化数量0,锐化数量增加75,数量增加150。<br style="max-width: 100%;"/></span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);"><br/></span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);">锐化对灰度层次上无影响</span><span style="font-family: 宋体, SimSun; color: rgb(63, 63, 63); font-size: 16px;">。</span></p><p><br/></p><div class="image-package"><img style="max-width:100%;" class="" data-src="http://img1001.pocoimg.cn/image/poco/works/36/2018/0930/13/15382837068386321_200330784.gif" data-by-webuploader="true" src="http://img1001.pocoimg.cn/image/poco/works/36/2018/0930/13/15382837068386321_200330784.gif" media_id="303608213"/></div><p><br/></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);">放大1600%观察照片中边缘部分,照片中的边缘部分<span style="font-family: 宋体, SimSun; font-size: 14px;">(存在明暗变化的边缘)</span>会生成白边黑边灰边,增加边缘的反差,让边缘凸显出来。类似于在一个物体的边缘描一个白边,让物体更加凸显;关于锐化的数量、半径、细节、蒙版,前三个是增量,最后的蒙版是减量!</span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);"><br/></span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);">锐化是一个比较复杂的一个事儿,涉及的内容比较多,期待后续专门的锐化篇吧!</span></p><p><span style="font-family: 宋体, SimSun; color: rgb(63, 63, 63); font-size: 16px;"><br/></span></p><p><span style="font-family: 宋体, SimSun; color: rgb(63, 63, 63); font-size: 16px;"><br/></span></p><p style="text-align: center;"><span style="color: rgb(255, 255, 255);"><strong><span style="font-family: 宋体, SimSun; font-size: 16px; background-color: rgb(127, 127, 127);"> 关于锐化的总结 </span></strong></span></p><p><span style="font-family: 宋体, SimSun; color: rgb(63, 63, 63); font-size: 16px;"><br/></span></p><p><span style="font-family: 宋体, SimSun; color: rgb(63, 63, 63); font-size: 16px;"><br/></span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);">1、在照片中的边缘部分<span style="font-family: 宋体, SimSun; font-size: 14px;">(存在明暗变化的边缘部分)</span>会生成白边黑边灰边,增加边缘的反差;</span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);">2、对灰度层次上无影响;</span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px; color: rgb(63, 63, 63);">3、锐化的数量、半径、细节、蒙版,前三个是增量,最后的蒙版是减量!</span></p><p><br/></p></section>
  • 基础理论
  • 后期
  • 风光
  • 摄影技巧
  • ps
  • 对比度
  • 清晰度