Secrets Hidden in Images (Steganography) - Computerphile

Secret texts buried in a picture of your dog? Image Analyst Dr. Mike Pound explains the art of steganography in digital images. The Problem with JPEG:    • The Problem with JPEG - Computerphile   The Bayer Filter:    • Capturing Digital Images (The Bayer Filter...   Super Computer & the Milky Way:    • Supercomputer and the Milky Way - Computer...   JPEG Discrete Cosine Transform (DCT):    • JPEG DCT, Discrete Cosine Transform (JPEG ...     / computerphile     / computer_phile   This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com