Patent ID: 9734353
Date: 2017-08-15
CPC Classifications: G06F,H04N,H04W

Claim:
1. A terminal comprising: a display configured to display an image having subsidiary information; and a processor comprising hardware configured to: collect real-time authentication information of a current operator according to an information activation command received by a specified image; acquire subsidiary information added to an image currently displayed on the display by a user and collect authentication information relating to the user in response to a command to hide the subsidiary information received for the image currently displayed, where the subsidiary information comprises at least one or a combination of the following: a character, a graphic, a text, and a website link; eliminate the subsidiary information on the image currently displayed, and embed the subsidiary information and the authentication information into a file of the image currently displayed from which the subsidiary information is eliminated in a related manner; or eliminate a display identifier of the subsidiary information on the image currently displayed, and embed the subsidiary information, the display identifier, and the authentication information into the file of the image currently displayed from which the display identifier is eliminated from in a related manner, where data information which needs to be embedded into the file is encoded into a digital watermark, which is embedded into the file in a related manner; obtain the authentication information embedded into the file of the specified image, and determine whether or not the authentication information matches the real-time authentication information; wherein, when the authentication information matches the real-time authentication information, the processor comprising hardware is further configured to obtain the subsidiary information embedded into the file of the specified image, and displaying the subsidiary information on the specified image; or obtain the subsidiary information and the corresponding display identifier embedded into the file of the specified image, and display the display identifier on the specified image.