How do we represent multiple greys with simple black or white pixels? Dr Bagley joins the dots! Error Diffusion Dithering: COMING SOON How JPEG Works:    • How JPEG Works   https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com/