A method for cropping a computer generated original image on a display, comprising the steps of: adjusting a user-selected movable boundary on the original image to define a cropped image within the boundary, the boundary defined by two or more points on the original image; and, distorting the original...http://www.google.com.au/patents/US7084886?utm_source=gb-gplus-sharePatent US7084886 - Using detail-in-context lenses for accurate digital image cropping and measurement
