Why use the green screen to make a movie? Why use the green screen to make a movie?

1, the green screen is mainly used to separate the background from the foreground, which is convenient for later matting and adding computer special effects.

2. The film is composed of three colors: red, green and blue, so it is ok to choose these three colors for general curtains. The complementary color of our skin color is blue. In some scenes, if we use blue curtains, this is contrary to the idea of using relative colors instead of close colors, but so far, these views are not so accurate.

3. So in this way, green has its own advantages. When the blue object is used as the foreground, the adaptability of green will be fully revealed. When drawing later, the green background color will show obvious reflection, which is better than the blue curtain. Moreover, when shooting the camera, it is more sensitive to the channel built by the green screen, which is conducive to creating better resolution and picture details.

4. Green is the best choice. Although blue is also very common now, people are used to the name of green screen, not to mention that green is suitable for the production of later special effects. For example, a big movie invites all foreign actors, and foreigners' pupils are generally blue. At this time, the green screen is used, and the later accuracy is improved by one grade.

5. The most common root cause of green screen is that the camera can collect as much green information as possible. There are countless movies that rely on special effects to survive now. These later Roto created the soul of a movie.

6. According to the distribution map of Bayer array in modern photography technology, green occupies the most columns, so it is convenient to delete the photographed green information with one key in the matting, thus making special effects, and the brightness of green is also considerable, which can effectively improve the efficiency of post-production.