Just ran across this interesting Tumblog that reduces films to a barcode. The image shown here is from Inception. While I don't know their exact process, it looks like they are essentially taking frames from the films (reduced to a tiny size, a couple pixels at most) and stacking them to fit into a 1280x480 image (top-bottom, left-right). The result is an interesting look at how color can vary over the course of a story—and contribute to the feel of that story.