Secrets Hidden in Images (Steganography) - Computerphile

1,131
by Super User, 4 years ago
0 0
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: https://youtu.be/yBX8GFqt6GA
The Bayer Filter: https://youtu.be/LWxu4rkZBLw
Super Computer & the Milky Way: https://youtu.be/5KEhhW8TOGk
JPEG Discrete Cosine Transform (DCT): https://youtu.be/Q2aEzeMDHMA


http://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: http://bit.ly/nottscomputer

Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com