Does the background green screen have a dedicated camera?

No, but it is best to use a camera with better performance. The cheapest one should be the fs5+atomos set. The total cost of the whole set is about 3-4W.

Under normal circumstances, if the camera is shooting in motion, the background of the picture will also have corresponding movement and displacement. The green screen and blue screen have monotonous and consistent colors and lack of depth relationship, which often fails to provide accurate camera movement information for post-production synthesis. Therefore, it is necessary to add some markers on the screen. By tracking these key points, it helps the post-production staff to retrieve the camera information and adjust the movement relationship between the main character and the background. Setting tracking points generally involves pasting some equidistant or equally divided lines or points on the green screen and blue screen. If you are careful enough, you can also differentiate between these markers.

Blue screen and green screen are both background curtains for shooting stunt shots. Actors perform in front of blue screen and green screen, which are captured by the camera. The picture is processed in the computer to remove the blue or green color of the background. , change to another background.