{"slug":"local-filters-relight","title":"如何用局部滤镜重塑照片光影（视频教程）","author":"Thomas看看世界","date":"2016-09-04","wechat":"https://mp.weixin.qq.com/s?__biz=MzI4NDA5MzE5NQ==&mid=2247484326&idx=1&sn=559becc6660a900886433623e4ef921f&scene=21#wechat_redirect","blocks":[{"t":"p","x":"摄影的核心就是光影。而在后期中，最简单也是最好用的局部光影处理工具，就是Camera Raw中的渐变滤镜和径向滤镜了。","b":false,"xe":"The core of photography is light and shadow. And in post, the simplest and handiest tools for local light work are Camera Raw's Graduated Filter and Radial Filter."},{"t":"p","x":"本周是托马斯的第一篇视频教程，会跟大家详细演示，如何通过2个局部滤镜，轻松的强化乃至重塑一张照片的光影。","b":false,"xe":"This week is Thomas's first video tutorial, demonstrating in detail how to strengthen — or even reshape — a photo's light and shadow with just 2 local filters."},{"t":"img","f":"img-02","w":900,"h":522},{"t":"h","x":"知识点：渐变滤镜、径向滤镜、羽化、蒙板","xe":"Topics: graduated filter, radial filter, feather, masking"},{"t":"p","x":"教程视频，时长：14分钟，1.2倍语速（ 高清地址 http://v.qq.com/x/page/i0326hbmblo.html ）","b":false,"xe":"Tutorial video, 14 minutes, at 1.2× speech rate (HD link: http://v.qq.com/x/page/i0326hbmblo.html)"},{"t":"p","x":"如果大家不习惯加快的语速的话，也可以收看这个常速版本，时长18分钟（高清地址 http://v.qq.com/x/page/v0326kgpefx.html ）","b":false,"xe":"If you're not used to the sped-up speech, here's the normal-speed 18-minute version (HD link: http://v.qq.com/x/page/v0326kgpefx.html)"},{"t":"h","x":"视频提纲","xe":"Video outline"},{"t":"img","f":"img-03","w":640,"h":480},{"t":"p","x":"摄影是一门光影的艺术，光影可以来自自然光，也可以来自人工光。","b":false,"xe":"Photography is an art of light and shadow — light can come from natural sources or artificial ones."},{"t":"p","x":"人工光线又分为前期和后期两类。前期我们可以用闪光灯等照明器材，重新布置拍摄现场的光线，而后期在Photoshop和ACR软件中，我们也可以利用各种工具来强化甚至重塑这种光影。","b":false,"xe":"Artificial light falls into two categories: in-camera and post. In the field we can rearrange the scene's lighting with flashes and other gear; in post, within Photoshop and ACR, we can use various tools to strengthen or even reshape that light."},{"t":"img","f":"img-04","w":640,"h":480},{"t":"p","x":"ACR中有3个局部光影处理工具：","b":false,"xe":"ACR has 3 local light-processing tools:"},{"t":"p","x":"1）调整画笔 （下周内容）","b":false,"xe":"1) Adjustment Brush (next week's topic)"},{"t":"p","x":"2）渐变滤镜","b":false,"xe":"2) Graduated Filter"},{"t":"p","x":"3）径向滤镜","b":false,"xe":"3) Radial Filter"},{"t":"img","f":"img-05","w":640,"h":421},{"t":"p","x":"渐变滤镜是线性渐变，滤镜绿线之上的部分是100%的效果，红线之下是完全没有效果，而绿红线之间就是过渡区域。这里的滤镜效果会逐渐从100%降到0%，有一个渐变的效果。","b":false,"xe":"The Graduated Filter is a linear gradient: above the green line the effect is 100%, below the red line there's none, and between the green and red lines is the transition zone where the effect fades from 100% to 0%."},{"t":"p","x":"渐变滤镜一般用于处理天空、草地、海面等轮廓分明、占据照片一个方向的景物。","b":false,"xe":"The Graduated Filter is generally used for subjects with clear outlines occupying one direction of the frame — sky, grassland, sea surface."},{"t":"img","f":"img-06","w":640,"h":360},{"t":"p","x":"径向滤镜也是一种渐变作用，但是滤镜的形态是圆形（椭圆形）的，因此更佳适合一般的景物，比如一个人，一颗树，一片建筑等等。","b":false,"xe":"The Radial Filter is also a gradient effect, but its shape is circular (elliptical), so it suits general subjects better — a person, a tree, a building complex."},{"t":"img","f":"img-07","w":640,"h":360},{"t":"p","x":"渐变滤镜右侧是调整面板，可以决定滤镜作用区域的实际效果。","b":false,"xe":"To the right of the Graduated Filter is the adjustment panel, deciding the actual effect on the filtered area."},{"t":"p","x":"色温：让滤镜作用区域变冷（蓝），或者变暖（黄色）","b":false,"xe":"Temp: cools (blue) or warms (yellow) the filtered region"},{"t":"p","x":"色调：给滤镜作用区域添加绿色或者紫色调","b":false,"xe":"Tint: adds green or magenta tint to the filtered region"},{"t":"p","x":"曝光：对应了滤镜作用区域的中间调区域","b":false,"xe":"Exposure: corresponds to the midtones of the filtered region"},{"t":"p","x":"对比度：调整滤镜作用区域整体的反差程度","b":false,"xe":"Contrast: adjusts overall contrast of the filtered region"},{"t":"p","x":"高光：控制滤镜作用区域的较亮区域的亮度","b":false,"xe":"Highlights: controls the brighter areas' brightness in the filtered region"},{"t":"p","x":"阴影：控制滤镜作用区域的较暗区域的亮度","b":false,"xe":"Shadows: controls the darker areas' brightness in the filtered region"},{"t":"p","x":"白色：控制滤镜作用区域的最亮区域的亮度","b":false,"xe":"Whites: controls the brightest areas' brightness in the filtered region"},{"t":"p","x":"黑色：控制滤镜作用区域的最暗区域的亮度","b":false,"xe":"Blacks: controls the darkest areas' brightness in the filtered region"},{"t":"img","f":"img-08","w":513,"h":640},{"t":"p","x":"清晰度：增加／减少滤镜作用区域细节表现和边缘对比","b":false,"xe":"Clarity: increases/decreases detail rendering and edge contrast in the filtered region"},{"t":"p","x":"去除薄雾：右调给滤镜作用区域去雾霾，左调给滤镜加雾霾","b":false,"xe":"Dehaze: right removes haze from the filtered region, left adds haze"},{"t":"p","x":"饱和度：控制滤镜作用区域的色彩鲜艳程度","b":false,"xe":"Saturation: controls color vividness in the filtered region"},{"t":"p","x":"锐化程度：给滤镜作用区域加锐（加强边缘对比）","b":false,"xe":"Sharpness: sharpens the filtered region (strengthens edge contrast)"},{"t":"p","x":"减少杂色：滤镜作用区域降噪","b":false,"xe":"Noise Reduction: reduces noise in the filtered region"},{"t":"p","x":"波纹去除：去除滤镜作用区域的摩尔纹","b":false,"xe":"Moire: removes moiré in the filtered region"},{"t":"p","x":"去边：去除滤镜作用区域的色边，包括镜头色差带来的紫边绿边，以及高反差区域的白色亮边等等","b":false,"xe":"Defringe: removes color fringing in the filtered region — purple/green fringes from lens aberration, white bright edges in high-contrast areas, etc."},{"t":"p","x":"颜色：给滤镜作用区域叠加上所选的颜色色调","b":false,"xe":"Color: overlays the chosen color tone onto the filtered region"},{"t":"img","f":"img-09","w":581,"h":640},{"t":"p","x":"最后还有径向滤镜独有的两个设置：","b":false,"xe":"Finally, two settings unique to the Radial Filter:"},{"t":"p","x":"羽化：调整滤镜边缘的过渡是生硬还是平滑","b":false,"xe":"Feather: adjusts whether the filter's edge transition is hard or smooth"},{"t":"p","x":"内部／外部：决定径向滤镜作用区域是椭圆的里面还说外面","b":false,"xe":"Inside/Outside: decides whether the Radial Filter affects the inside or outside of the ellipse"},{"t":"p","x":"点击最下面的“叠加”，可以在照片中显示／隐藏滤镜的控制点，方便预览效果","b":false,"xe":"Click 'Overlay' at the bottom to show/hide the filter's control points in the photo for easier preview"},{"t":"p","x":"勾选蒙板（还可以选择自定义颜色），照片中滤镜作用区域就会用选择的颜色（这里是红色）显示出来。","b":false,"xe":"Check Mask (you can also pick a custom color) and the filtered region displays in the chosen color (red here)."},{"t":"p","x":"“清除全部”可以清除所有的渐变滤镜或者径向滤镜，结合Ctrl＋Z（撤销上一步），可以预览有滤镜、和没有滤镜时的照片效果。","b":false,"xe":"'Clear All' removes all graduated or radial filters; combined with Ctrl+Z (undo), you can preview the photo with and without filters."},{"t":"img","f":"img-10","w":640,"h":524},{"t":"p","x":"渐变滤镜和径向滤镜中还有画笔面板，可以用画笔减少或者增加滤镜作用的区域。","b":false,"xe":"The Graduated and Radial Filters also have a Brush panel, letting you subtract from or add to the filtered region with a brush."},{"t":"img","f":"img-11","w":640,"h":360},{"t":"p","x":"让滤镜效果自然过渡的秘诀就是宁多勿过，用较小调整量的多个滤镜来达到自然过渡的效果。","b":false,"xe":"The secret to natural filter transitions is 'rather more filters than too much effect' — use multiple filters with small adjustments for natural blending."},{"t":"img","f":"img-12","w":640,"h":360},{"t":"p","x":"样片处理前：","b":false,"xe":"Sample photo, before:"},{"t":"img","f":"img-13","w":640,"h":408},{"t":"p","x":"经过渐变／径向滤镜处理后：","b":false,"xe":"After Graduated/Radial Filter processing:"},{"t":"img","f":"img-14","w":640,"h":408},{"t":"p","x":"这周托马斯展示了渐变滤镜和径向滤镜的神奇魔力，下周托马斯会继续讲解ACR中另一个好用的局部处理工具 － 画笔，敬请期待～","b":false,"xe":"This week Thomas showed the magic of the Graduated and Radial Filters. Next week Thomas will cover another handy local-processing tool in ACR — the Brush. Stay tuned~"},{"t":"p","x":"我是@Thomas看看世界，每个周日晚上，分享一篇原创摄影干货。","b":false,"xe":"I'm @Thomas Chu Photo — every Sunday evening I share an original piece of photography know-how."}],"titleEn":"How to Reshape Light and Shadow with Local Filters"}