TLF-SOFT-VTC MasterClass Adobe Photoshop HDRI-iNKiSO bin
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- 30 10 月, 2022
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语言:英语
网址:http://www.vtc.com/products/MasterClass!-Photoshop-HDRI-Tutorials.htm
类别:教程
VTC出品的教程:MasterClass! – Adobe Photoshop HDRI Tutorials
主讲:Robert Correll
课程时长:2小时/25课时
FROM net
引用
教程中,Robert Correll将教授大家使用Photomatix和Photoshop CS4制作HDRI。HDRI是High-Dynamic Range (HDR) image(高动态范围成像技术)的缩写,就是为了解决这个问题而发明出来的,简单说,HDRI是一种亮度范围非常广的图像,它比其它格式的图像有着更大亮度的数据贮存,而且它记录亮度的方式与传统的图片不同,不是用非线性的方式将亮度信息压缩到8bit或16bit的颜色空间内,而是用直接对应的方式记录亮度信息,它可以说记录了图片环境中的照明信息,因此我们可以使用这种图像来“照亮”场景。有很多HDRI文件是以全景图的形式提供的,我们也可以用它做环境背景来产生反射与折射。这里强调一下HDRI与全景图有本质的区别,全景图指的是包含了360度范围场景的普通图象,可以是JPG格式,BMP格式,TGA格式等等,属于 Low-Dynamic Range Radiance Image,它并不带有光照信息。
引用
HDRI, or High Dynamic Range Imaging, is the latest photographic and software technique sweeping the world. Robert Correll covers how to create artistically-oriented HDR from start to finish using Photomatix and Photoshop CS4. You’ll find out why HDR is a solution to the problem of limited dynamic range, see a workflow developed for the unique requirements of HDR, and learn how to select scenes with high HDR potential. You’ll also learn how to pre-process raw photographs in order to create 32-bit HDR files and then tone map the HDR in Photomatix (or in Photoshop CS4 using the Photomatix plug-in). To conclude, you will see several common HDR problems and how to overcome them in post-processing using Photoshop CS4 to achieve your artistic vision. To begin learning, simply click on the movie links.
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