What cloth color is used for cutouts in film and television special effects production?

Green screen Green screen is generally green

People’s skin can be black or white, gray or brown, their clothes can be of various colors, and their eyes can be black, blue or yellow. To facilitate cutout, green is The best arrangement is as long as the color of the scenery and the decoration of the protagonist's clothes are inconsistent, but green is the easiest to be recognized by the cutout software, so that it can automatically capture the best image.

Not all are green. For example, Ang Lee's Pi is a blue screen. Because the water in the pool used for shooting is green, blue is easier to cut out.

In short, a background with inconsistent colors can easily highlight the contours of characters and make it easier to distinguish colors. This is also for convenience, because the recognition rate of professional cutout software such as mask pro is problematic, and green occupies the narrowest color interval. , the easiest to distinguish.

Cutting out the image is the first step in special effects production. On this basis, the model is added, the physical effects are added, and finally it is rendered layer by layer. For example, adding a lion next to the protagonist, first adding a rough outline Lines, then add bones, muscles, skin layer by layer, draw textures, add hair, and then calculate the force deformation of wind speed, water flow, etc., and finally complete it.

It's very complicated, almost all of it is manually rendered frame by frame