An edge directed demosaicing algorithm for determining an edge direction from an input color filter array (CFA) sampled image is disclosed. Aspects of the present invention include calculating for a current missing green pixel, interpolation errors in an East-West (EW) direction at known neighboring...http://www.google.com.au/patents/US7961232?utm_source=gb-gplus-sharePatent US7961232 - Calculating interpolation errors for interpolation edge detection
