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- Vfx Green Screen Footage Free
One essential task in compositing is greenscreen-keying. Placing an actor in a CG environment can be as important as creating the virtual set itself. The key to a convincing VFX shot with greenscreen footage is a convincing key. Blender's node-editor has all the tools you need for that. To continue the Blender Compositing Series this cmiDirect video will show you how to do greenscreen-keying with Blender.
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Free HD Green Screen and VFX Plates you can download and play around with! Green Screen Plates Free HD Green Screen and VFX Plates you can. Put some moving footage in the background. The problem will be that the reflections don't move as they should. Sure, you can fix some reflections in the window glass, but the entire car. Why is a scene shot with a green background for animation or adding special effects? Update Cancel. It just happens that most chromakey footage uses people, and green and blue both have very little amounts in skin tones, hence the common use of those 2 colors. Why is a green screen only used in VFX movies? Why not another colour?
Chapter Descriptions
Standard Keying Tools
There are various keying nodes available in Blender's node-editor. Often people try to use the color- or chroma-key, which surely are useful in some situations. The best key however is the channel-key, which is able to create decent mattes with fine edges. In this video you will learn how to use the channel-key to get a solid alpha-channel instantly, but also how to enhance and preprocess your footage to improve your key and create a smooth edge with lots of detail.
Custom Keyer
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When the standard keying-nodes are not enough, you can still build your own keyer to fit your needs. Separating an image into different channels gives you a lot of control over each color and with some pixel math and rewiring you can come up with your own self made keys that sometimes work better and give more detail than the off-the-shelf solutions. Combined with garbage-mattes and rotoscoping you can solve even difficult shots with motion-blur, reflections and unevenly lit green screen.
Enhancements
But even the best alpha-channel will not help if your image suffers from color spill and doesn't integrate well into the background. This video will show you how to enhance DV-footage to improve your key, how to get rid of color-spill and how to apply techniques like light wraps to really integrate your keyed footage into the background.
Compositing
Once your key is ready you'll probably want to save your keyed footage and use it in another composite. In the last chapter you will learn how to do that and how to apply some little post-processing tricks.
Note:
This tutorial is has been recorded with a development version of Blender 2.56a. There are still a few exciting months ahead until the final, stable version will be released. Bugs will be fixed, some little features might be added. But don't worry! The techniques in this tutorial don't rely on fancy tools, so you can use them with almost any version of Blender. But for reference we have included a current development version of the software.
About the author:
Sebastian Konig is a German 3D-artist and is working as a freelancer and CG-instructor. He has been working for various studios and companies, creating animations, stills, visualizations and commercials as well as feature film VFX. As a Blender Foundation Certified Trainer he has been teaching Blender at international courses, universities, schools and companies and enjoys sharing his experience and knowledge with the Blender community.
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In this look at some of Hollywood’s favorite movie magic tricks, learn from filmmaking masters and VFX artists to put your characters anywhere you can imagine through film compositing, rotoscoping, and matte paintings.
Compositing
Compositing is the process of combining multiple visual elements from various sources into a single image or sequence. It can be as simple as overlaying two photos or as complex as combining elements, images, and footage.
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You might be most familiar with compositing in terms of green screen. With green screen footage, you will take the subject in front of the green screen, key out the green, and then composite with a background or matte painting.
You can see a perfect example of the many things you can create with composting in this Art of Compositing video by Roy Peker.
For more on compositing, check out these interesting articles:
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Rotoscoping
Rotoscoping began as an animation technique, in which animators traced over film footage to create realistic character movement. Later Walt Disney would adapt the technique to use film footage of real actors as reference material for his animated films. Here is a glimpse at rotoscoping from the Disney film Pinnocchio.
Later, artists used rotoscoping to remove wire rigs — once again an innovation by the artists at Disney. See how they used rotoscoping to bring the world of Mary Poppins to life.
Today VFX artists use it to remove wires, safety rigs, and other objects and elements. Roto artists are in charge of a variety of VFX tasks, including green screen compositing, motion tracking, cloning, and much more.
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For more, check out these tutorials:
Matte Paintings and Digital Mattes
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Matte paintings are one of the oldest VFX techniques, used first by photographers and then filmmakers. Back in the late 1800s, filmmaking legend Georges Méliès used painted glass panes to create physical mattes to create VFX all in-camera. In the 1898 film Un Homme de Têtes – Four Heads Are Better Than One — Méliès would shoot himself in one position on camera with mattes placed around him. Then he would roll back the film reel and reshoot — this time standing where there was once a black matte. This would create the look of multiple heads on screen at once.
For a more modern look at the use of matte paintings, here is a classic YouTube video from the early days of Sam and Niko video tutorials.
For more on matte paintings, check out these tutorials and articles:
You can also change the port number that the remote desktop uses. • To select the Port Properties command, right-click a COM port. In the COM Properties dialog box, you can configure a port to connect automatically when a remote desktop session is started, or you can ignore DSR (data-set-ready signal), which is required for some modems and other devices.
Want to see the result of all of these techniques? Check out this interview with VFX studio Atomic Fiction. I’d also recommend reading up on the VFX workflow and how the VFX pipeline actually works.
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Top image by Ovocim.