An image processing method is provided to control an action for image data based on control information associated with the image data. The method includes generating an electronic signature to be affixed to image data, and generating control information used for controlling an action for the image data...http://www.google.com.tw/patents/US20070061583?utm_source=gb-gplus-share專利 US20070061583 - IMAGE PROCESSING METHOD, IMAGE PROCESSING APPARATUS, AND STORAGE MEDIUM
