If you have a video/photograph that has a plain background, such us you’d find if you used a green/blue screen or maybe on a plain sky background, you can create a chroma key effect. This is the same technique used by weather presenters and on hollywood movies to replace the background with something else.
We’ll go through some of the trials an tribulations of using this to replace the background of an image and even on a video. Continue reading “Creating a chroma key effect with HTML5 canvas.” »