Similar to:
http://www.actionscript.org/resources/articles/1088/1/Creating-a-chroma-key-effect-using-a-custom-Pixel-Bender-filter/Page1.html
That script removes background colors in a video dynamically by checking if any pixels match a color chosen by the user.
What I want to do is capture the whole webcam background (without the user in it), then remove it. I believe you might need to check the color of each pixel in the camera view against the same pixel in the background capture. i…
