什么技术可以取代绿屏拍摄?(2)
日期:2020-11-10 19:56

(单词翻译:单击)

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Removing a green screen is actually still pretty hard.
移除绿屏实际上是很困难的4@J6NYDd+!mLqJ64
For one, it doesn't work with green characters.
首先,它不适用于绿色的角色f(Ysw|^A[ZY
"Yoda's green."
“尤达是绿色的Bo%j*)&Ms1G0m8A&dE。”
Removing one solid color - or "keying" can look good, but you still need detail work.
删除一个纯色或“键控”可以令它看起来很棒,但你仍然需要对细节进行调整ttVVZSGgJm-pXi0;7,%T
See how these fine branches just disappear.
看看这些细枝是怎么消失的^fB9n_-Aw]#ZM
The perspective of the background also doesn't naturally change - that has to be designed into the final composite.
背景的透视图也不会自然改变——这必须设计成最终的合成图Fl3V%oP03(j1=i^
Ditching the greenscreen and projecting or playing the image behind the actors...gets you closer, but not quite there.
抛开绿屏,投射或播放演员背后的画面会让你变得更近,但不是真的在那里JQ#2Y7+SHpJr6c&K
No!
不!
You can get detail and an illusion of depth and better light.
你可以获得细节、一个很逼真的错觉和更好的光线(mhd]rg~LgV#2p
Instead of green screen spilling on the actor, you get blue sky, and red desert actually lighting them.
不是绿屏覆盖在演员身上,照亮他们的是蓝色的天空和红色的沙漠R0uvgn5XNN6S~
That basic technique has worked in everything from 2001 to Oblivion,
从《2001太空漫游》到《遗落战境》,这项基础技术在各个地方都发挥了作用,
but you miss the proper perspective shift, or parallax, in the background, since it's just a video playing on a screen.
但是你遗漏了背景中正确的视角转换,或者视差,因为它只是在屏幕上播放的视频jd~Fv-xWadnr)8sfA1o
The volume tackles some of those problems.
Volume解决了其中一些问题wE9AiV5nu%fO,|0t[H
You can also adjust light and objects on the fly.
你也可以动态调整灯光和对象1UtrKBUZ]U
And the reflections actually work,
而反射实际上起作用了,
because they are reflecting the other screens instead of green screen - which was especially important for Mando - the show's main character.
因为他们反映的是其他屏幕,而不是绿屏——这一点对主角曼达洛人尤其重要W8J^I@GM6]

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什么技术可以取代绿屏拍摄?(2).jpg

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"His whole armor was reflective from head to toe, whether it be his pauldron or his helmet, it was just like, you can't avoid seeing things being reflected.
“他的整个盔甲、从头到脚都是反光的,无论是他的护肩甲还是他的头盔,就像是你没法避免看到东西被反射lFvhPY8c%9&eAx
So creating this volume where we literally could close up the whole thing into one giant circle and have an environment all across these screens.
所以打造Volume之后,我们就可以把整体封闭成一个巨大的圆圈,在不同的屏幕之间创造一个环境acH^hk_!6BJM4PDB
We were getting exactly what we wanted to out of his helmet."
通过他的头盔,我们得到了想要的东西,&8NKfZvnMJX1f(cXTu。”
The brain bar could focus on details that made the final product as seamless as possible - which was still a lot of work.
智囊团专注于使最终作品尽可能无缝衔接的细节——工作量依然很大Mb34UO8p9Ig7unU=DAr!
"I would go in and whether it be a rock or a barrel or something, I would try to color correct it to match what was on the set.
“我会进去,不管是一块石头还是一个桶什么的,我都会试着对其颜色进行修正,使其和片场上的颜色相匹配]F47tg#4K!
But where color correction was more important was when we're dealing with the bigger parts of the set.
但对于颜色校正而言,我们在处理较大的部分时会更加重要W#Uxy!WGq_NVgoRU
So whether that be the dirt on the ground versus dirt in our digital scene.
它可能是地面上的脏东西,也可能是我们数字场景中的脏东西,B@)|^=q3ZtNH.prTW
And the lighting from the scene affected the dirt on the ground.
现场的灯光会对地面上的脏东西造成影响Bzm!s)DJdaj_9UV;RH
And we would have to like, because we had a blue sky and suddenly now there's all this blue on this rock.
事情可能会这样,我们有一个蓝色天空的场景,突然之间,岩石上会出现蓝色的画面;JTqcgqCH.fmAPIi;yVH
We would have to color correct the ground and the rock to also have just as much blue as the blue that we just introduced.
我们必须对地面和岩石进行颜色校正,使其与刚刚的蓝色一样多^~E+Bg]9X%6mDwzT
Before they started shooting, I would have. Five to 10 minutes to have that all lined up and ready to go."
在他们开始拍摄之前,我可以用5到10分钟就可以把这些都排好,一切就绪_hW8EdW4vUB8h4+,I。”
I can imagine that, that there are some creative breakthroughs that this makes possible for, for your job.
我可以想象到,会有一些创造性的突破,能做好你的工作zYYIBJNY31eWW7-zeyM
I'm wondering what would those be with this technology?
我想知道这项技术会是什么?
"I'll be honest. I would not be mad if I never have to do a green screen keying or extraction ever again.
“老实说,如果我再也不用做绿屏键控或提取的话,我是不会生气的B,L_6#|.!F&hjLZVatz
Now I get to be a person who's doing the shot and I can help basically finalize a shot in camera.
现在我可以成为一个搞拍摄的人,我可以帮助在镜头前完成拍摄,
It just makes it a more cohesive filmmaking process, and this puts us right in there next to everyone else who's creating these shows or films."
这使得每个人都能参与到这个节目或电影的制作过程中来tN[7U%F(j8Z。”

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