Cut off the function of the blue filter

The green screen is the background screen for shooting stunt shots. Actors perform in front of blue and green screens and are photographed by cameras. The picture is processed in the computer, and the blue or green background is removed and replaced with other backgrounds.

Some Hollywood movies are shot in front of a green screen, and there is no real background at all.

Cutting is one of the most common operations in image processing, which is to separate a picture or part of an image from the original picture or image and put it in a separate layer. The main function is to prepare for the later synthesis. Methods include lasso tool, box selection tool, eraser tool, quick mask, pen sketching path and then turning to the selection, drawing filter, drawing external filter, channel, calculation, applying image method and so on.

: Clips have filtering function.

The specific steps are as follows:

1. In the clipping interface, click Start Creating.

2. Enter the video editing interface and click Add to Project.

3. Enter the video editing interface and click the clip in the lower left corner.

4. Enter the interface and click the filter option.

5. Enter the filter interface and select the filter to use.

6. After selecting the filter to use, click Finish in the lower right corner.