So living dinosaurs are basically the color key to extinct dinosaurs!
所以活着的恐龙基本上就是绝种恐龙的色键!
单词 | Color key |
释义 |
Color key
原声例句
PBS地球-动物趣闻 So living dinosaurs are basically the color key to extinct dinosaurs! 所以活着的恐龙基本上就是绝种恐龙的色键!
英语百科
Chroma key![]() ![]() ![]() ![]() Chroma key compositing, or chroma keying, is a special effects / post-production technique for compositing (layering) two images or video streams together based on color hues (chroma range). The technique has been used heavily in many fields to remove a background from the subject of a photo or video – particularly the newscasting, motion picture and videogame industries. A color range in the top layer is made transparent, revealing another image behind. The chroma keying technique is commonly used in video production and post-production. This technique is also referred to as color keying, colour-separation overlay (CSO; primarily by the BBC), or by various terms for specific color-related variants such as green screen, and blue screen – chroma keying can be done with backgrounds of any color that are uniform and distinct, but green and blue backgrounds are more commonly used because they differ most distinctly in hue from most human skin colors. No part of the subject being filmed or photographed may duplicate a color used in the background. |
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