A digitized image is encoded by detecting edges in the image, encoding the position and sharpness of the detected edges, smoothing and reducing the size of the digitized image, and encoding the resulting reduced image. A digitized image encoded in this way is reconstructed by generating a horizontal...http://www.google.com/patents/US5949910?utm_source=gb-gplus-sharePatent US5949910 - Image encoding and decoding method and apparatus using edge synthesis and inverse wavelet transform
