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数码摄影技术基础(三)

Technical Foundation of Digital Photography(3)
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摘要 现代数码摄影的前后二个步骤:拍摄、后期图像处理,二者同样重要。拍摄的基本要求:(1)曝光适宜。(2)要正确选用白平衡功能——Auto WB并非十全十美。(3)拍摄时,相机应选用Adobe RGB空间,饱和度不宜过大。新颖数码相机有不少有用的功能设置,要靠学习摸索试用才能在需要时发挥其作用。Photoshop图像处理功能十分强大,非常有用;详尽介绍其最常用的命令和工具:影调等级命令、曲线命令、图层的混合、裁切工具。简要的介绍色彩空间:ICC与色彩管理系统。此外还对Photoshop软件中的一些名词提出商榷看法。 The two steps of modern digital photography: shooting and post-image processing are equally important. Basic requirements of shooting:(1)The exposure is appropriate.(2)Use white balance correctly-Auto WB is not perfect.(3)When shooting, the camera should use Adobe RGB space, and the saturation should not be too large. The novel digital camera has many useful functions, so it is necessary to learn to explore and experiment to play its role when needed. Photoshop image processing is very powerful and very useful. The most commonly used commands and tools are introduced in detail:The tone level command, the Curve command, the Layer blending, and the Crop Tool. Brief introduction to color space: The ICC and Color Management System. There is also a discussion of some nouns in Photoshop.
作者 李名爵 LI Ming-jue(Retired Teacher of Shanghai Hongkou Spare-Time College,Shanghai 200080,Chin)
出处 《影像技术》 CAS 2018年第4期50-52,共3页 Image Technology
关键词 颜色 影像 混合 Light Color Image Blending
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