Patent No. 6122322 Subliminal message protection
Patent No. 6122322 Subliminal message protection (Jandel, Sep 19, 2000) Abstract The present invention relates to a method and to a system for detecting a first context change between two frames. When a second context change between a further two frames occurs within a predetermined time interval, the frames accommodated within the two context changes are defined as a subliminal message. An alarm is sent to an observer upon detection of a subliminal message. Notes: Description The present invention relates to a system and to a method for protecting an observer from subliminal messages. BACKGROUND OF THE INVENTION Subliminal messages are messages that are sent in a manner such as to be undetectable consciously by an observer. Subliminal messages are hidden suggestions that can only be perceived by the subconscious. In video communication, a subliminal message can be flashed so quickly that the viewer will not