Processing an image with embedded metadata by determining an integer value of a byte and separate the integer value into a plurality of digits, converting each of the digits into an encoding value using a predefined conversion function, selecting a pixel block in a metadata container, encoding into the...http://www.google.fr/patents/US8155457?utm_source=gb-gplus-shareBrevet US8155457 - Robust encoding of metadata in lossy encoded images
Robust encoding of metadata in lossy encoded images
