DISPLAY APPARATUS METHOD AND SYSTEM DISPLAYING CONTENT BY DETECTING ADDITIONAL DATA FOR PREVENTING COUNTERFEIT AND FALSIFICATION FOR VIDEO CONTENT RENDERING APPARATUS INTERLOCKING WITH SAID DISPLAY APPARATUS AND RENDERING METHOD OF SAID RENDERING APPARATUS

摘要

One aspect of the present invention discloses an apparatus for detecting and displaying additional data for preventing forgery and alteration of video content. The apparatus includes: a content input unit receiving the video content (the additional data is inserted into the video content), a display unit displaying the video content, and an additional data detection unit detecting the additional data from the video content (the Additional data includes a watermark (watermark) and a display control unit for controlling the display screen of the video content according to the detection result of the additional data.