[Erik] has come up with a lock that opens when it is shown a pattern of colors. The lock in question uses a set of color coded cards as the “keys”. When the cards are inserted in the lock ...

Changing the Key background color is similar to changing the Key ... However, you can increase the transparency level up to 100%. Up next, there is the Window tab. There are two options ...

(1) (Color Key) See prepress proof. (2) Also called "chroma key," it is a technique for superimposing one video image onto another. Widely used to place an interesting scene behind people such as ...