An exemplary method for encoding an image includes receiving image data, detecting edges in the image data, selecting at least some of the detected edges, encoding the selected edges as selected edge information, down-sampling the image data, encoding the down-sampled image as down-sampled image information...http://www.google.fr/patents/US8116581?utm_source=gb-gplus-shareBrevet US8116581 - Efficient image representation by edges and low-resolution signal
Efficient image representation by edges and low-resolution signal
