{"slug":"nik-tonal-contrast","title":"增强照片细节 - Nik色调对比滤镜详解","author":"Thomas看看世界","date":"2017-01-08","wechat":"https://mp.weixin.qq.com/s?__biz=MzI4NDA5MzE5NQ==&mid=2247484874&idx=1&sn=061cd696c417e9636a6b77e18d882ed3&chksm=eb81fbaedcf672b8864978ff9e7024e5fa04a37363b10068592275b9a8c0caac52886f56305b&scene=21#wechat_redirect","blocks":[{"t":"p","x":"Nik Collection中的色调对比滤镜，可以有效的强化或者减弱照片中的纹理和细节，是风光摄影师常用的一款后期利器。","b":false,"xe":"The Tonal Contrast filter in the Nik Collection can effectively strengthen or weaken texture and detail in a photo — a go-to post-processing tool for landscape photographers."},{"t":"h","x":"1","xe":"1"},{"t":"h","x":"Nik 色调对比滤镜","xe":"Nik Tonal Contrast Filter"},{"t":"p","x":"Nik Collection是一套免费的后期插件集，其中的Color Efex Pro 4（调色滤镜集）集合了50多款摄影师常用的滤镜，今天介绍的就是其中的细节控制滤镜 - 色调对比（Tonal Contrast）。","b":false,"xe":"The Nik Collection is a free plugin suite; its Color Efex Pro 4 set bundles 50+ filters photographers commonly use. Today's subject is the detail-control filter among them: Tonal Contrast."},{"t":"p","x":"Nik Collection国内下载地址（1.2.11版本）：","b":false,"xe":"Nik Collection download links for China (version 1.2.11):"},{"t":"p","x":"Windows系统：https://pan.baidu.com/s/1o8jhgxk","b":false,"xe":"Windows: https://pan.baidu.com/s/1o8jhgxk"},{"t":"p","x":"Mac系统： https://pan.baidu.com/s/1hsJlkpQ","b":false,"xe":"Mac: https://pan.baidu.com/s/1hsJlkpQ"},{"t":"p","x":"安装过程和其他电脑软件一样，这里就不详述了，百度有很多说明。","b":false,"xe":"Installation works like any other software, so I won't go into detail — Baidu has plenty of guides."},{"t":"p","x":"安装后打开PS，可以选择滤镜 - Nik Collection - Color Efex Pro 4，打开Color Efex Pro 4调色滤镜集。","b":false,"xe":"After installing, open Photoshop and choose Filter → Nik Collection → Color Efex Pro 4 to launch the filter set."},{"t":"img","f":"img-02","w":982,"h":1000},{"t":"p","x":"打开Color Efex Pro 4的界面，最左侧是一连串滤镜的列表。从里面我们可以找到“色调对比”，英文版中叫Tonal Contrast。","b":false,"xe":"In the Color Efex Pro 4 interface, the far left is a list of filters, where you'll find \"Tonal Contrast.\""},{"t":"p","x":"色调对比滤镜可以加强或者减弱照片中的细节对比度，从而控制照片中岩石的质感、皮肤的纹理，以及云层的层次等微小细节。","b":false,"xe":"The Tonal Contrast filter can strengthen or weaken detail contrast, controlling fine textures like rock texture, skin texture, and cloud layering."},{"t":"img","f":"img-03","w":975,"h":1000},{"t":"h","x":"2","xe":"2"},{"t":"h","x":"色调对比的效果控制","xe":"Controlling the Tonal Contrast Effect"},{"t":"p","x":"选择“色调对比”滤镜后，界面右侧出现了色调对比滤镜的控制面板，从上到下依次是：","b":false,"xe":"With \"Tonal Contrast\" selected, its control panel appears on the right. From top to bottom:"},{"t":"p","x":"亮点滑块：控制照片亮部的细节和反差强度","b":false,"xe":"Highlights slider: controls detail and contrast strength in the bright areas"},{"t":"p","x":"中调滑块：控制照片中间影调的细节和反差强度","b":false,"xe":"Midtones slider: controls detail and contrast strength in the midtones"},{"t":"p","x":"阴影滑块：控制照片阴影区域的细节和反差强度","b":false,"xe":"Shadows slider: controls detail and contrast strength in the shadow areas"},{"t":"p","x":"饱和度滑块：控制照片的整体饱和度","b":false,"xe":"Saturation slider: controls overall saturation"},{"t":"p","x":"对比度种类：控制滤镜的整体效果","b":false,"xe":"Contrast Type: controls the filter's overall character"},{"t":"p","x":"阴影亮点滑块：可以保护照片的暗部和亮部不欠曝或者过曝","b":false,"xe":"Shadow/Highlight protection sliders: protect shadows and highlights from under- or overexposure"},{"t":"p","x":"控制点：Nik的核心技术，完成类似蒙版的遮罩效果，使滤镜只作用在照片局部区域。","b":false,"xe":"Control Points: Nik's core technology — a mask-like effect that confines the filter to local areas."},{"t":"img","f":"img-04","w":860,"h":1000},{"t":"p","x":"一般来说我会先试试各种“对比度种类”，一共有5个可选项：","b":false,"xe":"I usually start by trying the \"Contrast Types\" — there are 5 options:"},{"t":"p","x":"标准：默认的色调对比效果，细节和反差都比较适中","b":false,"xe":"Standard: the default tonal-contrast look, moderate detail and contrast"},{"t":"p","x":"高反差：会强化物体的边缘反差","b":false,"xe":"High Contrast: strengthens edge contrast"},{"t":"p","x":"精细：类似HDR的低反差细节提取效果，强度较小","b":false,"xe":"Fine: an HDR-like, low-contrast detail-extraction effect at low strength"},{"t":"p","x":"平衡：类似HDR的低反差细节提取效果，强度一般","b":false,"xe":"Balanced: an HDR-like, low-contrast detail-extraction effect at medium strength"},{"t":"p","x":"强：类似HDR的低反差细节提取效果，强度较大","b":false,"xe":"Strong: an HDR-like, low-contrast detail-extraction effect at high strength"},{"t":"p","x":"当我把对比度种类改成“高反差”，可以看见该模式下，照片中的明暗分界线反差极大。","b":false,"xe":"When I switch the Contrast Type to \"High Contrast,\" you can see the light-dark boundaries in the photo become extremely punchy."},{"t":"img","f":"img-05","w":1000,"h":575},{"t":"p","x":"而“精细”、“平衡”、“强”三种效果，会在提取细节的同时保持较低的对比度，使得照片有一种类似HDR的效果。","b":false,"xe":"The \"Fine,\" \"Balanced,\" and \"Strong\" types extract detail while keeping contrast low, giving the photo an HDR-like feel."},{"t":"img","f":"img-06","w":1000,"h":562},{"t":"p","x":"大部分图片，对比度种类选择“标准”即可。","b":false,"xe":"For most images, \"Standard\" is enough."},{"t":"img","f":"img-07","w":938,"h":1000},{"t":"p","x":"接下来我会调整亮点、中调、阴影和饱和度这四个滑块。默认值是25%、50%、25%、20%，我的习惯是把他们全部清零，一个一个的重新调整观察。","b":false,"xe":"Next I adjust the four sliders: Highlights, Midtones, Shadows, and Saturation. Defaults are 25%, 50%, 25%, 20%; my habit is to zero them all out and re-adjust one by one while watching the image."},{"t":"p","x":"首先把“亮点”滑块右移到100%，红线左边是调整前，右边是调整后。可以发现云层亮部的细节大大强化，亮部区域的对比度也增加，甚至过曝了。","b":false,"xe":"First drag \"Highlights\" right to 100% — left of the red line is before, right is after. Cloud-highlight detail is greatly enhanced and bright-area contrast increases, even to the point of overexposure."},{"t":"img","f":"img-08","w":1000,"h":568},{"t":"p","x":"如果把“亮点”滑块左移到-100%，云层亮部的细节则被几乎抹平，亮部区域的对比度也减弱。","b":false,"xe":"Drag \"Highlights\" left to −100% and cloud-highlight detail is nearly flattened, with bright-area contrast reduced."},{"t":"img","f":"img-09","w":1000,"h":527},{"t":"p","x":"在运用到皮肤等柔性物体上时，我们一般反而需要减弱照片的细节强度，就可以左移这些滑块。本图我对亮部细节轻微加强，亮点滑块右移到10%左右。","b":false,"xe":"On soft subjects like skin, we usually want to reduce detail strength instead — drag the sliders left. For this image I slightly boosted highlight detail, setting Highlights around 10%."},{"t":"p","x":"“中调”控制了照片中间亮度区域的细节程度和对比程度。右移中调滑块，照片中间调区域的细节对比大大强化。比如下图红框中的云雾，原来是灰白一团，现在里面的细节变化也显示出来了。","b":false,"xe":"\"Midtones\" controls detail and contrast in the middle brightness range. Dragging it right greatly strengthens midtone detail contrast — for example, the mist in the red box below went from a gray-white blob to showing internal detail."},{"t":"img","f":"img-10","w":1000,"h":496},{"t":"p","x":"俗话说得好，过犹不及。增加色调对比，类似提高清晰度以及HDR的效果，强度太高的时候，照片会显得很脏很假，因此需要控制适度。这里我中调提高到30%左右。","b":false,"xe":"As the saying goes, too much is as bad as too little. Adding tonal contrast is like raising Clarity or applying HDR — push it too far and the photo looks dirty and fake, so moderation matters. Here I raised Midtones to about 30%."},{"t":"img","f":"img-11","w":1000,"h":559},{"t":"p","x":"阴影滑块控制照片较暗区域的细节对比程度，右移到100%，照片暗部（如山体、树木等）细节夸张。","b":false,"xe":"The Shadows slider controls detail contrast in darker areas. At 100%, shadow detail (mountains, trees) becomes exaggerated."},{"t":"img","f":"img-12","w":1000,"h":523},{"t":"p","x":"这里我把阴影滑块控制在40%，此时山体的细节就较为清晰了。虽然此时照片的最暗部已经欠曝溢出，不过我会在后面进行校正。","b":false,"xe":"Here I set Shadows to 40% — mountain detail is now fairly clear. The darkest areas are clipped to underexposure at this point, but I'll correct that later."},{"t":"img","f":"img-13","w":1000,"h":557},{"t":"p","x":"我们在调整对比度的时候，也会影响到照片的色彩。所以Nik插件在这里增加了一个“饱和度”滑块，和Lightroom或者PS中的饱和度作用类似，控制照片整体颜色的鲜艳程度。这张照片比较暗淡，所以这里我饱和度提高了20%。","b":false,"xe":"Adjusting contrast also affects color, so Nik adds a \"Saturation\" slider here — like Saturation in Lightroom or PS, it controls overall color vividness. This photo was rather dull, so I raised Saturation by 20%."},{"t":"img","f":"img-14","w":1000,"h":556},{"t":"p","x":"上面调整完成之后，山体的细节已经符合我的预期了，但是照片的暗部如树木却变成漆黑一团。观察直方图，果然阴影已经欠曝溢出了。","b":false,"xe":"After those adjustments, mountain detail matches my expectations, but dark areas like the trees have gone pitch black. The histogram confirms the shadows are clipped."},{"t":"img","f":"img-15","w":1000,"h":527},{"t":"p","x":"最下面的阴影和亮点滑块就是为了保护照片的暗部和亮部而设立的。右移阴影滑块，可以保护照片的暗部不过暗。右移亮点滑块，可以保护照片的高光部分不过亮。","b":false,"xe":"The bottom Shadow and Highlight protection sliders exist precisely to protect those areas. Dragging the Shadows slider right keeps dark areas from going too dark; dragging the Highlights slider right keeps highlights from blowing out."},{"t":"p","x":"这张照片根据直方图，我把阴影提高到35%左右，直方图中的暗部溢出消失了。","b":false,"xe":"Based on the histogram, I raised Shadows to about 35%, and the shadow clipping disappeared from the histogram."},{"t":"img","f":"img-16","w":1000,"h":547},{"t":"h","x":"3","xe":"3"},{"t":"h","x":"色调对比的局部应用","xe":"Applying Tonal Contrast Locally"},{"t":"h","x":"照片的细节并不是越多越好。只增加局部的细节对比，可以起到增强层次，突出中心的作用。","xe":"More detail isn't always better. Adding detail contrast only locally can enhance depth and emphasize the subject."},{"t":"p","x":"以这张照片为例，云层的细节强化，使得天空看起来很脏。而前景草地整体纹理的加强，也使得他们处处吸引眼球，喧宾夺主，抢去了远处巍峨雪山的风头。","b":false,"xe":"Take this photo: boosting cloud detail makes the sky look dirty, and strengthening the foreground grass texture makes it grab attention everywhere, stealing the show from the majestic distant snow mountains."},{"t":"img","f":"img-17","w":1000,"h":672},{"t":"p","x":"因此我需要使用控制点，来局部应用滤镜。","b":false,"xe":"So I need Control Points to apply the filter locally."},{"t":"p","x":"控制点可以使用控制点面板右侧的“+”号按键，或者“-”号按键添加。","b":false,"xe":"Add control points with the \"+\" or \"−\" buttons on the right side of the Control Points panel."},{"t":"p","x":"选择“+”“-”按键后，在照片相应的区域点击一下，我们就建立了一个控制点。其中心在照片上以一个小圆点显示。","b":false,"xe":"After choosing \"+\" or \"−\", click the corresponding area in the photo to place a control point, shown as a small dot."},{"t":"p","x":"控制点建立后有两个滑块，第一个是范围滑块，他决定了这个控制点的影响范围。控制点的作用区域，是以中心点为圆心，范围为半径的圆形内，和中心点颜色、纹理、明暗相似的区域。（也就是控制点通过一些算法，自动识别照片上的物体来建立范围）","b":true,"xe":"A control point has two sliders. The first is range, which sets its area of influence: a circle centered on the point with the range as radius, limited to areas similar in color, texture, and brightness to the center. (The control point uses algorithms to automatically recognize objects in the photo.)"},{"t":"p","x":"第二个滑块是不透明度，不透明度为100%时，色调对比滤镜的效果100%作用于控制区域。不透明度为0%，滤镜效果完全不作用于控制区域。不透明度在其他数值时，滤镜效果可以部分的作用在各个区域。","b":false,"xe":"The second slider is opacity. At 100%, the Tonal Contrast effect fully applies to the controlled area; at 0%, it doesn't apply at all; in between, the effect applies partially."},{"t":"img","f":"img-18","w":1000,"h":528},{"t":"p","x":"控制点的使用非常的简单灵活，添加几个点之后，我们就建立了下图所示的蒙版。可以看到色调对比的效果主要作用在山峰以及前景中间的路上（蒙版白色部分），而云层，雾气以及草地的两侧，细节只是轻微加强（蒙版灰黑色部分）。","b":false,"xe":"Control points are simple and flexible. After adding a few, we've built the mask shown below: the tonal-contrast effect mainly lands on the peaks and the road in the middle foreground (white in the mask), while the clouds, mist, and grass on both sides get only a slight boost (gray-black in the mask)."},{"t":"img","f":"img-19","w":1000,"h":671},{"t":"p","x":"至此，色调对比滤镜调整完成。","b":false,"xe":"That completes the Tonal Contrast adjustments."},{"t":"img","f":"img-20","w":1000,"h":669},{"t":"p","x":"放大观察山峰细节，红线左边是没加滤镜时，山体几乎是模糊的一大块。右边是使用色调对比滤镜之后，山峰上的岩石和灌木细节更加清晰了。","b":false,"xe":"Zooming into peak detail: left of the red line, without the filter, the mountain is nearly a blurry mass; on the right, after Tonal Contrast, the rocks and shrubs on the peaks are much clearer."},{"t":"img","f":"img-21","w":1000,"h":639},{"t":"p","x":"同时由于阴影亮点滑块对照片亮部暗部的保护，以及使用控制点把效果作用在局部。调整后的效果并没有像HDR滤镜那样过于夸张虚假，比较自然的恢复了照片的细节。（下图为滤镜作用前后的照片对比图）","b":false,"xe":"Thanks to the shadow/highlight protection sliders and the localized control points, the result isn't as exaggerated or fake as an HDR filter — it restores detail fairly naturally. (The image below compares before and after.)"},{"t":"img","f":"img-22","w":660,"h":1000},{"t":"p","x":"总结","b":false,"xe":"Summary"},{"t":"p","x":"1. Nik色调对比滤镜可以加强或者减弱照片中的细节和纹理。","b":false,"xe":"1. The Nik Tonal Contrast filter can strengthen or weaken detail and texture."},{"t":"p","x":"2. 对比度种类有5种，分别对应了不同的反差效果程度。亮点、中调、阴影滑块，控制了照片各个明暗区域的细节对比程度。","b":false,"xe":"2. There are 5 Contrast Types for different contrast intensities. The Highlights, Midtones, and Shadows sliders control detail contrast in each brightness range."},{"t":"p","x":"3. 下面的亮点和阴影滑块，则可以保护照片的亮部和暗部不溢出。控制点可以讲滤镜效果作用在局部，使得效果更加自然。","b":false,"xe":"3. The lower Highlight and Shadow protection sliders keep highlights and shadows from clipping. Control points confine the effect to local areas for a more natural result."},{"t":"p","x":"欢迎关注@Thomas看看世界，每周学会一个摄影技能。","b":false,"xe":"Follow @Thomas Chu Photo, and learn one photography skill every week."},{"t":"img","f":"img-23","w":640,"h":313}],"titleEn":"Boost Photo Detail: Nik Tonal Contrast Filter Explained"}