Modern technology has brought tremendous advancement in photography.
The digital photography is an outcome of modern technology.
A photographer can edit pictures and video expediently and spontaneously.
It is an activity that requires creativity and imagination of the photographer.
The photographer can make use of innumerable tools to create attractive videos and pictures.
These tools enable the photographer to stretch his creativity beyond the reality and human imagination.
This equips the photographer to create captivating and beautiful images.
Chroma Key Screen is a technique with which you can digitally superimpose the background image of the subject by any other image in the video or the photograph.
With the use of this technology the user can create a number of images.
You can add various types of visual effects in the photograph and video.
A photographer can create an overlay or transition effect in the video.
These effects enable the user to capture, edit and merge the videos together.
For instance, you can use an image of flowers and digitally place them before the subject.
This gives an impression of the subject hiding behind the flowers.
You can then replace the green or blue color background of the subject by green color garden of roses.
A photographer can also make use of cloning effect in the video.
Suppose you are making a short film or documentary on poor twin brothers and the hardships they face in their daily lives due to poverty.
One can use cloning effect for the appearance of twin brothers.
Shoot the subject twice so that the two pictures of one person are placed against each other to give cloning effect.
Often you get to see the news reader reading out the news with emphatic visuals at background screen.
These visuals are created by the Chroma Key effect.
You can also use this technique for photo shoot or magazine shoots.
One can replace any kind of graphics at the back of the subject.
You can also make the subject invisible using this chroma key technology.
Wrap your subject's head with green cloth and then digitally merge it with the background.
These and many more types of visual effects can be created using these digital effects.