Answers.Body: <p>You can use Unscreen, an AI tool that can remove backgrounds from a video. The free version do have some limitations imposed but it is good enough for small applications. <a href="https://codegena.com/remove-video-background-online-without-green-screen/" rel="nofollow noreferrer">Source</a></p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2020-03-08T12:34:04.063Z
Answers.LastActivityDate: 2020-03-08T12:34:04.063Z
Answers.UserDisplayName: Shan Eapen Koshy
Answers.Body: <p>Looking at your first example, I woul guess green screen, and not a particularly good one. It looks like they really need to increase the spill suppression, judging by the green spill evident on the feet of the bin.</p>
  
  <p>An alternative approach is to shoot in a studio with an infinite white cyc, for example something <a href="https://m3studiosmiami.com/cyclorama-wall/" rel="nofollow noreferrer">like this one</a> (randomly selected from a duckduckgo search, not necessarily endorsed). When lit correctly it will look like the second example, though that too could totally have been done with greenscreen—the forearms look a lot like there's spill that's been corrected. </p>
  
  <p><a href="https://i.sstatic.net/rSe56.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/rSe56.jpg" alt="enter image description here"></a></p>
  
  <p>The reason for shooting against green, rather than shooting against white or black is when you want to do background replacement. If you know that the background is going to just be white, then shooting against white is the way to go. But if you want to replace the background and you use white (or black) then any highlights (or shadows) are going to become transparent. It's much easier to keep green out 
  of your foreground than stopping it having any highlights or shadows.</p>
  
  <p>Another approach is to use <a href="https://www.pluralsight.com/blog/film-games/understanding-rotoscoping-process-every-vfx-artist-know" rel="nofollow noreferrer">rotoscoping</a>. This is where masks are drawn around the foreground to cut it out from the background. While software like After Effects includes tools to automate this task somewhat, it is still a very time and labour-intensive process, and generally the results are inferior to other techniques. I would use rotoscoping only as a last resort, and I don't think I'm alone here.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2018-06-29T05:13:13.937Z
Answers.LastActivityDate: 2019-05-24T01:02:03.470Z
Answers.LastEditDate: 2019-05-24T01:02:03.470Z
Answers.UserDisplayName: stib
Body: <p>I've started work at a company doing video work and trying to create videos that are consistent with their previous videos.  However, the more I look at the previous videos, the less I'm sure about one of the techniques, so want some help.  It was an external video company that created them so it's possible they used some fancy techniques.</p>
  
  <p>In the image below, it shows a toolbox: in the video it zooms in on this and it's definitely a video because the perspective changes as it zooms in.  What i'm not sure about is how they clipped the toolbox out so neatly?  My colleagues that worked with the company previously said they didn't use green screen, although they used a white backdrop at times.</p>
  
  <p>The second image is another example, someone picking a worktop off a bench, but background is perfectly keyed out.  I can get it this perfect with a green screen but I don't have any luck in doing it any other way - how would they have cut the products out so well?</p>
  
  <p>(I can provide links to the videos if it's helpful - let me know)</p>
  
  <p><a href="https://i.sstatic.net/2Rskc.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/2Rskc.jpg" alt="TuffBank vid clipped out"></a></p>
  
  <p><a href="https://i.sstatic.net/NH9kA.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/NH9kA.jpg" alt="enter image description here"></a></p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2020-01-30T05:44:42.793Z
Comments.Text: I just did a video explaining video background removal. https://www.youtube.com/watch?v=nyAAX5f9hJU
Comments.UserDisplayName: Rahul
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2024-09-25T06:06:25.940Z
Comments.Text: You can script it using `ffmpeg` and `rembg` https://blender.stackexchange.com/a/324809/142292
Comments.UserDisplayName: Harry McKenzie
Tags: <video><editing><greenscreen><chromakey>
Title: How to remove background from video without using green screen
UserDisplayName: AutoBaker
ThreadText: # How to remove background from video without using green screen
  
  (Asked by: username_0 on 2018-06-28)
  
  I've started work at a company doing video work and trying to create videos that are consistent with their previous videos. However, the more I look at the previous videos, the less I'm sure about one of the techniques, so want some help. It was an external video company that created them so it's possible they used some fancy techniques.
  
  In the image below, it shows a toolbox: in the video it zooms in on this and it's definitely a video because the perspective changes as it zooms in. What i'm not sure about is how they clipped the toolbox out so neatly? My colleagues that worked with the company previously said they didn't use green screen, although they used a white backdrop at times.
  
  The second image is another example, someone picking a worktop off a bench, but background is perfectly keyed out. I can get it this perfect with a green screen but I don't have any luck in doing it any other way - how would they have cut the products out so well?
  
  (I can provide links to the videos if it's helpful - let me know)
  
  [![TuffBank vid clipped out](https://i.sstatic.net/2Rskc.jpg)](https://i.sstatic.net/2Rskc.jpg)
  
  [![enter image description here](https://i.sstatic.net/NH9kA.jpg)](https://i.sstatic.net/NH9kA.jpg)
  
  **Tags:** video, editing, greenscreen, chromakey
  
  > **Comments:**
  > **username_1**: I just did a video explaining video background removal. https://www.youtube.com/watch?v=nyAAX5f9hJU  
  > **username_2**: You can script it using `ffmpeg` and `rembg` https://blender.stackexchange.com/a/324809/142292  
  
  ---
  
  ## 2 answers
  
  ### Answer by username_4 on 2018-06-29. Score: 4 | Accepted answer
  
  Looking at your first example, I woul guess green screen, and not a particularly good one. It looks like they really need to increase the spill suppression, judging by the green spill evident on the feet of the bin.
  
  An alternative approach is to shoot in a studio with an infinite white cyc, for example something [like this one](https://m3studiosmiami.com/cyclorama-wall/) (randomly selected from a duckduckgo search, not necessarily endorsed). When lit correctly it will look like the second example, though that too could totally have been done with greenscreen—the forearms look a lot like there's spill that's been corrected.
  
  [![enter image description here](https://i.sstatic.net/rSe56.jpg)](https://i.sstatic.net/rSe56.jpg)
  
  The reason for shooting against green, rather than shooting against white or black is when you want to do background replacement. If you know that the background is going to just be white, then shooting against white is the way to go. But if you want to replace the background and you use white (or black) then any highlights (or shadows) are going to become transparent. It's much easier to keep green out
  of your foreground than stopping it having any highlights or shadows.
  
  Another approach is to use [rotoscoping](https://www.pluralsight.com/blog/film-games/understanding-rotoscoping-process-every-vfx-artist-know). This is where masks are drawn around the foreground to cut it out from the background. While software like After Effects includes tools to automate this task somewhat, it is still a very time and labour-intensive process, and generally the results are inferior to other techniques. I would use rotoscoping only as a last resort, and I don't think I'm alone here.
  
  
  ---
  
  ### Answer by username_3 on 2020-03-08. Score: 0
  
  You can use Unscreen, an AI tool that can remove backgrounds from a video. The free version do have some limitations imposed but it is good enough for small applications. [Source](https://codegena.com/remove-video-background-online-without-green-screen/)
  
  
  ---
  
  